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avpro? 5002r dual scart a/v switch data sheet page: 1 of 30 ? 2005 teridian semiconductor corporation rev 2.1 september 2008 description the avpro ? 5002r device is an audio/video switching ic that supports an input/output port, an input only port, and an output only port. the device includes multiplexers that allow the inputs to be routed to the outputs in various configurations. additional outputs are provided to drive an external rf modulator. the video outputs of the multiplexers are buffered to drive 150 ? loads. the audio outputs are buffered to provide 2 vrms output. the 5002r has features optimized for canal+ satellite receiver applications, but it can also be used in other applications that require control of multiple audio and video sources. features ? two scart connections (auxiliary, tv) ? video section - integrated output drivers - rgb, svhs, composite outputs - programmable rgb gain ? audio section - dual mode volume control 0 or 6 db gain, plus 0 to -63 db attenuation (1 db step) - programmable gain on dac input channels ? serial port control of switching i 2 c bus ? 64-lead lqfp, 48 qfn package options _________________________ ____________________ block diagram aux_lin rin lin tv_rin tv_lin aux_rin volume control mux rout lout aux_mono tv_rout tv_lout aux_rout aux_lout serial port sclk sdata enc_b enc_g enc_r mux aux_ycout aux_b aux_g aux_r aux_yc tv_b tv_g tv_r tv_ycout vcc gnd gnd gnd eblank ablank blank vdd gnd enc_yc enc_y enc_c aux_fnc vcc other i/o tv_fnc do_0 do_1 mod_mono support circuits tgen rbias vref vcc vdd enc2_y enc2_c tv_ycin aux_cin mod_yc aux_cout
avpro? 5002r dual scart a/v switch data sheet page: 2 of 30 ? 2008 teridian semiconductor corporation rev 2.1 functional description the 5002r is an audio/video switching device. the device integrates both audio and video drivers so that it can directly drive the scart interface. all programmable functions of the device are controlled through a standard i 2 c serial interface and a set of internal registers. the device will interface to an external video encoder that provides six video outputs. in addition, the 5002r includes two programmable digital outputs and provides inputs for the tv scart audio/video. scart video switching the device is designed to accept video signals from an auxiliary scart connector, tv scart connector, and an external video encoder/dac device. the devices include a set of analog multiplexers that receive video signals from these sources and allow routing of the signals to the various video outputs. the video output drivers have a nominal gain of 2 v/v to allow for a series resistance of 75 ? prior to the 75? termination. a block diagram of the video switching function is provided in figure 1. details of the register settings are provided in the section titled ?serial port register tables?. enc_b enc_g enc_r aux_ycout aux_b aux_g aux_yc tv_b tv_g tv_r tv_ycout eblank ablank blank enc_yc aux_cout aux_r mod_yc enc_c enc_y tv_fnc mux vgen aux_fnc comparator 0v 4v mux mux mux mux mux mux mux aux_cin tv_ycin gain mux enc2_y enc2_c figure 1: 5002r video switching block diagram note: aux_cin, enc2_y and enc2_c are not available on the 48qfn package option.
avpro? 5002r dual scart a/v switch data sheet page: 3 of 30 ? 2008 teridian semiconductor corporation rev 2.1 tv rgb outputs the device accepts rgb video signals from two sources. the aux_r, aux_g , aux_b input pins are typically connected to the auxiliary scart connector. the enc_r, enc_g , enc_b input pins are connected to the rgb outputs of an external video encoder device. these outputs are used as a video source for the tv scart pins tv_r , tv_g , and tv_b . the rgb video source is selected by setting the lower three (3) bits of serial port register 1. when these bits are set to xxxxx000, the rgb source will be the encoder. when these bits are set to xxxxx001, the source will be the auxiliary port. the tv rgb outputs can be muted independently from the tv composite outputs. setting bit 6 of register 1 low (0) will allow normal operation. setting bit 6 high (1) will set the tv rgb outputs to the blank level. rgb gain: the gain of the rgb outputs can be adjusted to one of four different levels. bits 4 and 5 in register 2 set the gain of the rgb output amplifiers according to the following table: bit 5 bit 4 rgb amplifier gain 0 0 1 1 0 1 0 1 gain = 2 v/v = a 0 gain = a 0 - 10% gain = a 0 - 20% gain = a 0 - 30% dc restore: the device will generate a dc restore level on each video output based on timing referenced to a horizontal sync pulse. when the sync pulse is detected, the dc restore circuit will act to position the blank level to 1.2v at the respective rgb output pins and the respective composite output pins (0.6v at the respective rgb and composite video output load). the device can be programmed to look for the horizontal sync pulse on all of the rgb input pins or on the associated composite video input pin ( aux_yc for the auxiliary port or enc_yc for the external encoder). bit 7 of register 1 determines the horizontal sync source. at power-up, this bit defaults to a low (0) state, which programs the device to look for sync detect on the rgb input signals. in this mode, the device can detect a horizontal sync on any of the three rgb input signals. when bit 7 is set to a high (1) state, the device will look for a sync detect from the signal on either the aux_yc or enc_yc pin depending on which source is selected. blanking : the signal on the blank output pin is determined by the state of two msbs in register 2 according to the following table: bit 7 bit 6 blank source 0 0 1 1 0 1 0 1 blank = ablank blank = eblank blank = 0v blank = 4v @ ic output pin the user must insure that the source of the blank output is the same as the source for the rgb outputs, i.e. ablank is selected when the auxiliary rgb is active and eblank is selected when the encoder rgb is active. tv composite output the device provides inputs for two composite video sources that can be switched to the tv scart composite video pin, tv_ycout. the aux_yc input pin is typically connected to the ?video in? pin (pin 20) on the auxiliary scart connector. the enc_yc input pin is typically connected to the ?yc? or ?cvbs? output from the external video encoder device. selection of the video source for the tv composite output is accomplished when the rgb video source is selected (see the register tables). when register 1 is set to xxxxx000, the encoder input is selected and when set to xxxxx001, the auxiliary input is selected. tv svhs output mode the device supports svhs video format. the svhs mode is selected for the tv scart using the lower three (3) bits of register 1(except for svhs enc 4 mode). when the svhs mode is selected, the tv_ycout pin will provide the luminance signal output from the selected source. the chroma output will be provided on the tv_r pin. the video source for svhs mode can be either the auxiliary port or the encoder port. when the auxiliary port is selected as the video source, the video on aux_r will be provided at the tv_r output pin and the aux_yc video will be provided at the tv_ycout pin. the device will support svhs mode for four encoder interface formats. the first encoder interface format accepts chroma signals on the enc_c pin and luminance signals on the enc_y pin. this is designated "svhs, enc 1" mode. the second format will receive chroma information on the enc_b pin and luminance information on enc_g . this format is designated "svhs, enc 2". the third format will receive chroma information from the enc_r pin and luminance information from the enc_g pin. this mode is designated ?svhs, enc 3? on the serial port register table. for these three modes, audio will come from the lin/rin inputs. the fourth format is designated "svhs enc 4" (not available in the 48qfn package option). it is selected by setting register one to xx110xxx. chroma information is received on the enc2_c input pin.
avpro? 5002r dual scart a/v switch data sheet page: 4 of 30 ? 2008 teridian semiconductor corporation rev 2.1 luminance is received on the enc2_y input pin. for this mode only, audio will come from the tv_lin/tv_rin inputs, and the video will have chroma output on aux_cout , and luminance output on aux_ycout . when the svhs mode is selected, the dc restore on the tv_r pin will average to approximately 1.7 vdc at the output pin. the dc restore circuit will act to position the blank level to 1.2v at the tv_ycout video output pin. the tv_g and tv_b outputs will be set to 0 vdc when the svhs mode is active. rf modulator output the device provides an output, mod_yc , to drive an external rf modulator. the mod_yc output is a unity gain amplifier designed to drive a 1k ? load or higher. when the device is operating in the rgb mode, the signal on the mod_yc output will follow the same source as the tv_ycout output. when the device is in the svhs mode, the mod_yc output can be driven by several sources depending on the svhs video source. these various options are detailed in the serial port register table. one case that requires additional detail is the auxiliary svhs mode. in the svhs mode, the aux_yc video input will only provide luminance information. composite video for the modulator output must be generated by summing this luma information with the chroma information from the auxiliary port. the input pin labeled aux_cin is used for this purpose. the aux_cin input pin is ac coupled to the same source that provides the input signal to aux_r . an internal summing node combines the video signal on aux_cin (chroma) with the video signal on aux_yc (luma) to generate a composite video signal. in the auxiliary svhs mode, this signal is provided at the mod_yc pin. tv composite video mute the tv composite video outputs can be muted by programming the lower three (3) bits in register 1. the power-up default condition is xxxxx111, (auxiliary rgb source) which sets the tv composite video outputs to 0 vdc and switches the tv audio outputs to aux_ lin/aux_rin . setting these bits to xxxxx110 (encoder rgb source) will also mute the tv composite video outputs and switch the tv audio outputs to lin/rin . auxiliary composite output the auxiliary port includes a composite video output pin ( aux_ycout ) that is typically connected to the ?video out? pin (pin 19) on an auxiliary scart connector. bits 3-5 in register 1 determine the source for the aux_ycout pin as well as for the aux_cout . see register table. auxiliary svhs output mode in the svhs mode, pin 15 on the auxiliary scart connector provides chroma information. to support this, the auxiliary port on the 5002r includes a chroma input pin ( aux_cin ) that is externally ac coupled to pin 15 on the auxiliary scart connector. the device also includes an output pin ( aux_cout ) that provides a chroma output to pin 15 (red) on the auxiliary scart connector. when connected with the aux_r and aux_cin pins, this forms a bi-directional port as shown in the diagram below: aux_cout aux_r aux_cin mux mux mux auxiliarys cart pin 15 75 bi-directional pin circuit using this configuration, th e device will support svhs mode for four encoder interface formats. the first encoder interface format will receive chroma information from the enc_c pin and luminance information from the enc_y pin. this format is designated ?svhs, enc 1?. the second format will rece ive chroma information on the enc_b input and luminance information on enc_g . this format is designated "svhs, enc 2". the third format will receive chroma information from the enc_r pin and luminance information from the enc_g pin. this mode is designated ?svhs, enc 3? on the serial port register table. for these three modes, audio will come from the lin/rin inputs. the fourth format is designated "svhs enc 4" (not available in the 48 qfn option). chroma information is received on the enc2_c input pin and the luminance is received on the enc2_y input pin. for this mode only, audio will come from the tv_lin/tv_rin inputs. when the svhs mode is selected, the dc restore on the aux_cout pin will average to approximately 1.7 vdc at the pin (0.85 at the video output load). the dc restore on the aux_ycout pin will set the blank level to 1.2 v at the ic pin or approximately 0.6 v across the video output load.
avpro? 5002r dual scart a/v switch data sheet page: 5 of 30 ? 2008 teridian semiconductor corporation rev 2.1 the rgb mode of operation requires special consideration. the output driver on the aux_cout pin acts as part of the load for the red signal on pin 15 of the scart connector. register 1 must be set to x0011001 to select the auxiliary scart as the rgb source for the tv outputs and selects the external video encoder as the source for the auxiliary scart connector. this provides an output impedance of about 0? on the aux_cout pin. this setting also allows the enc_c pin to pass through the aux_cout pin. due to this, the outputs of the external video encoder must be disabled to prevent corruption of the incoming red video signal. auxiliary video mute all auxiliary video outputs can be simultaneously disabled by programming bits 3-5 in register 1. the power-up default condition is xx111xxx, which sets all auxiliary video outputs to 0 vdc and switches the auxiliary audio outputs to lin/rin . function switching the device provides functions switching pins for both the auxiliary ( aux_fnc ) and tv ( tv_fnc ) scart ports. both of these pins are bi-directional. the direction of the pins is determined by setting bits in register 2 according to the following table: bits aux_fnc tv_fnc xxxx 00xx output output xxxx01xx output input xxxx10xx input output xxxx11xx passthru i/o passthru o/i for the case where register 2 is set to xxxx11xx, the input signal on the aux_fnc pin is passed directly through to the tv_fnc pin as an output, or vice versa. this mode is useful when the rest of the system powers down and all signals from the auxiliary port are passed directly through to the tv port, or vice versa. when a function pin is set as an input, the voltage on that pin is applied to an internal comparator. the comparator senses the voltage on the input pin and sets the two (2) lsbs in the read register according to the following table: input voltage bits function < 2.0 v xxxxxx00 normal tv 4.5 to 7.0v xxxxxx01 16:9 aspect >9.5 v xxxxxx10 pe ritelevision when a function pin is set as an output, the output level for the pin is determined by the state of the two lsbs in register 2, according to the following table: bits output voltage function xxxxxx 00 ~0 v normal tv xxxxxx01 ~6 v 16:9 aspect xxxxxx10 ~ 11 v peritelevision xxxxxx11 ~ 11 v peritelevision note that both the aux_fnc pin and the tv_fnc pin can be set as outputs simultaneously, however they will have the same output voltage. the function output circuit includes short circuit protection. when a function pin is in the 6v or 11v output mode, if the scart connection is shorted to ground, then the output is disabled. likewise, when a function pin is in the 0v output mode, if the scart connection is connected to a voltage source, then the output is disabled. the load for the function outputs is designed to be 10k ? or higher. figure 2: 5002r audio switching block diagram aux_rin aux_lout mux aux_rout aux_mono mux mux mux aux_lin lin rin mux mux tv_rin tv_lin lout tv_lout mux mux mux mux tv_rout rout mux mux mod_mono a bc a b c a: dac input gain (0, 6, 9, or 11.5db) b: volume control gain (0 or 6db) c: volume control attenuation (0 to ?63 db in ?1db steps)
avpro? 5002r dual scart a/v switch data sheet page: 6 of 30 ? 2008 teridian semiconductor corporation rev 2.1 scart audio switching the audio inputs are considered to be associated with the respective video inputs. as a result, the video selection determines which audio signals will be switched to a given scart output. refer to the serial port register table for more information. also see the audio switching block diagram shown in figure 2. the 5002r provides inputs for the auxiliary audio source ( aux_lin / aux_rin ), a stereo dac associated with the video encoder inputs ( lin /rin ), and inputs from the tv scart ( tv_lin/tv_rin ). tv audio operation the audio source for the tv port is selected in concert with the video source using the three (3) lsbs of register 1. the selected audio signals are input to internal multiplexers that allow the user to select between mono and stereo output options. bits 4 and 5 of register 3 control the stereo/mono selection according to the following table: bit 1 bit 0 tv left source tv right source 0 0 left input right input 0 1 left + right left + right 1 0 left input left input 1 1 right input right input at power-up, these bits default to 00 putting the device in the stereo mode. volume control: the left and right tv audio channels can be selected to pass through volume control circuits. each volume control circuit is formed by a serially connected amplifier and attenuator pair. the amplifier is programmed by register 4, bit 2( ?0? for 0 db and ?1? for 6 db gains ). the attenuator is programmed by the lower 6 bits of register 0( ?xx000000? for 0 db and ?xx111111? for ?63 db attenuation, in ?1 db steps ). dac input gain ( lin/rin ): to support audio dacs that have a limited output range, the 5002r provides programmable gain amplifiers on the lin and rin inputs. the gain is set by bits 2 and 3 of register 3, according to the following table: bit 3 bit 2 gain 0 0 1 1 0 1 0 1 gain = 0 db gain = 6 db gain = 9 db gain = 11.5 db tv scart audio outputs: the first pair of signals is labeled tv_lout and tv_rout on the block diagram. tv_lout and tv_rout are typically used to drive the tv scart audio pins. these outputs also have an internal multiplexer that allows the user to select tv audio either before or after the internal volume control function. when bit 0 in register 4 is set low (0), the volume control is used. when this bit is set high (1), the volume control is bypassed. the power-up default state is volume control active. tv audio line outputs: the second pair of signals is labeled lout and rout on the block diagram. lout and rout are standard line outputs. the lout/rout outputs have an internal multiplexer that allows the user to select tv audio either before or after the internal volume control function. when bit 1 in register 4 is set low (0), the volume control is used. when this bit is set high (1), the volume control is bypassed. the power-up default state is volume control active. in addition, the audio inputs from the tv scart connector ( tv_lin/tv_rin ) can be switched to the line outputs. this is controlled by bit-3 of register 4. setting this bit low (0) is the normal operation where the line outputs follow the tv scart outputs. setting this bit high (1) will switch the line outputs to the audio source on the tv_lin/tv_rin inputs. rf mono output: the tv_lout and tv_rout signals are also summed internally to generate a mono audio signal for an external rf modulator. this output is labeled mod_mono . the internal summing circuit is after the volume control mux so the audio control on this output will be the same as that selected for the tv_lout and tv_rout outputs. tv audio mute: a mute function is provided for all tv audio outputs. the mute function is controlled by setting bit 6 in register 0. when this bit is set to a high state (1), all tv audio outputs are muted. this will be the default condition at power-up. when the bit is set to a low state (0), the audio path will be in normal operating mode. this bit can be set independent of the volume control such that the outputs can be muted before any change in volume, or any switching of audio sources.
avpro? 5002r dual scart a/v switch data sheet page: 7 of 30 ? 2008 teridian semiconductor corporation rev 2.1 auxiliary audio operation the auxiliary port includes stereo audio outputs for a scart connector ( aux_lout, aux_rout ) and a mono audio output ( aux_mono ). these outputs can choose between the lin /rin input pins or the tv_lin/tv_rin input pins. the audio inputs are switched in concert with the associated video inputs according to bits 3-5 in register 1. internal multiplexers allow the aux_lout and aux_rout outputs to be configured into either stereo or mono audio outputs. the two msbs of register 3 control the stereo/mono selection according to the following table: bit 1 bit 0 aux_lout source aux_rout source 0 0 lin rin 0 1 lin+rin lin+rin 1 0 lin lin 1 1 rin rin at power-up, these bits default to 00 putting the device in the stereo mode. the aux_mono output is generated through an internal summing node that combines the signals of the aux_lout and aux_rout outputs. all three auxiliary audio outputs can be muted by setting the msb in register 0. this bit is set high (1) at power-up causing the outputs to be muted. setting this bit low (0) enables all auxiliary audio outputs. digital outputs the 5002r provides two programmable digital outputs, do_0 and do_1 (not available on the 48 qfn option) . these pins are general purpose outputs programmed by setting bit 0 and 1 in register 3. setting the register bits to 0 puts these outputs in the logic low state. setting the register bits to 1 puts the outputs in the logic high state. internal pull-up resistors (approximately 17k ? ) are included on these pins. serial port definition internal functions of the device are monitored and controlled by a standard inter-ic (i 2 c)bus with data being transferred msb first on the rising edge of the clock. the serial port operates in a slave mode only and can be written to or read from. the device uses 7- bit addressing, and does not support 10-bit addressing mode. the write register data is sent sequentially, such that if register 4 is to be programmed, then registers 0, 1, 2, 3 and 4 need to be sent. if only register 2 needs to be programmed, then only registers 0, 1 and 2 data need to be sent. it will support standard and fast bus speed. the default address of the device is 1001000x (1001000 for write and 10010001 for read). the 5002r includes a read register in which the upper four bits identify the specific chip within the avpro ? family. this allows a single application platform and software to work with a wide variety of avpro ? chips. the id code for the 5002r is 0001. data transfers a data transfer starts when the sdata pin is driven from high to low by the bus master while the sclk pin is high. on the following eight clock cycles, the device receives the data on the sdata pin and decodes that data to determine if a valid address has been received. the first seven bits of information are the address with the eighth bit indicating whether the cycle is a read (bit is high) or a write (bit is low). if the address is valid for this device, on the falling sclk edge of the eighth bit of data, the device will drive the sdata pin low and hold it low until the next rising edge of the sclk pin to acknowledge the address transfer. the device will continue to transmit or receive data until the bus master has issued a stop by driving the sdata pin from low to high while the sclk pin is held high write operation: when the read/write bit (lsb) is low and a valid address is decoded, the device will receive data from the sdata pin. the device will continue to latch data into the registers until a stop condition is detected. the device generates an acknowledge after each byte of data written. read operation: when the read/write bit (lsb) is high and a valid address is decoded, the device will transmit the data from the internal register on the following eight sclk cycles. following the transfer of the register data and the acknowledge from the master, the device will release the data bus. reset: at power-up the serial port defaults to the states indicated in boldface type. the device also responds to the system level reset that is transmitted through the serial port. when the master sends the address 00000000 followed by the data 00000110, the device resets to the default condition.
avpro? 5002r dual scart a/v switch data sheet page: 8 of 30 ? 2008 teridian semiconductor corporation rev 2.1 serial port register tables read register device address = 10010001 function bits description function control input xxxxxx00 xxxxxx01 xxxxxx10 tv_fnc or aux_fnc pin level =level 0 < 2v tv_fnc or aux_fnc pin level =level 1a ~6.0v tv_fnc or aux_fnc pin level = level 1b >9.5v not used xxxx00xx xxxx11xx ignore these bits device id code 0001xxxx this code identifies the device type as the 5002r write registers : device address = 10010000 ( bold indicates default setting) register 0: audio control register a function bits description volume control attenuation for tv, line or mod_mono audio xx 000000 xx011111 xx100000 xx111111 audio volume = maximum (0 db) audio volume = minimum (-31 db attenuation) extended tv audio volume control range. range is approximately -32 db to -63 db. tv audio mute x0xxxxxx x 1 xxxxxx tv audio ( tv_lout/tv_rout, lout/rout, mod_mono ) output = normal audio output tv audio ( tv_lout/tv_rout, lout/rout, mod_mono ) output = muted aux audio mute 0xxxxxxx 1 xxxxxxx aux audio ( aux_lout/aux_rout ) output = normal audio output aux audio ( aux_lout/aux_rout ) output = muted
avpro? 5002r dual scart a/v switch data sheet page: 9 of 30 ? 2008 teridian semiconductor corporation rev 2.1 register 1: audio/video control register; audio/video source select bits tv a/v source bits tv_r tv_g tv_b tv_ycout mod_yc tv_lout, tv_rout rgb/yc, encoder rgb/yc, auxiliary svhs, enc 1 svhs, enc 2 svhs, enc 3 svhs, aux 1** tv mute tv mute xxxxx000 xxxxx001 xxxxx010 xxxxx011 xxxxx100 xxxxx101 xxxxx110 xxxxx111 enc_r aux_r enc_c enc_b enc_r aux_r enc_r aux_r enc_g aux_g 0v 0v 0v 0v enc_g aux_g enc_b aux_b 0v 0v 0v 0v enc_b aux_b enc_yc aux_yc enc_y enc_g enc_g aux_yc 0v 0v enc_yc aux_yc enc_yc enc_yc enc_b auxyc+auxcin 0v 0v lin, rin aux_lin, aux_rin lin, rin lin, rin lin, rin aux_lin, aux_rin lin, rin aux_lin,aux_rin aux a/v source bits aux_cout aux_ycout aux_lout, aux_rout composite, enc 1 composite, enc 2 composite, tv svhs, enc 1 svhs, enc 2 svhs, enc 3 svhs, enc 4*** aux mute xx000xxx xx001xxx xx010xxx xx011xxx xx100xxx xx101xxx xx110xxx xx 111 xxx 0v 0v 0v enc_c enc_b enc_r enc2_c 0v enc_b enc_yc tv_ycin enc_y enc_g enc_g enc2_y 0v lin, rin lin, rin tv_lin, tv_rin lin, rin lin, rin lin, rin tv_lin, tv_rin lin, rin function bits description tv rgb mute x 0 xxxxxx x1xxxxxx tv rgb outputs are active tv rgb outputs are mute (blank level) rgb sync source 0 xxxxxxx 1xxxxxxx rgb sync /dc restore source = rgb rgb sync /dc restore source = aux_yc or enc_yc depending on source selection register 2: video control register; video function bits function bits description function control output voltage xxxxxx00 xxxxxx01 xxxxxx10 xxxxxx11 level 0; normal tv output (function voltage ~ 0v) level 1a; 16:9 aspect ratio (function voltage ~ 6v) level 1b; peritelevision output mode (function voltage ~ 12v) level 1b; peritelevision output mode (function voltage ~ 12v) function pin control* xxxx00xx xxxx01xx xxxx10xx xxxx11xx aux_fnc pin = output, tv_fnc pin = output aux_fnc pin = output, tv_fnc pin = input aux_fnc pin = input, tv_fnc pin = output signals will pass through from aux_fnc to tv_fnc or vice versa. the voltage applied to this pin (when set as an input) sets the state of the two lsbs of the read register. see the note* rgb gain control xx 00 xxxx xx01xxxx xx10xxxx xx11xxxx rgb output amplifier gain = normal rgb output amplifiers attenuated by 10% rgb output amplifiers attenuated by 20% rgb output amplifiers attenuated by 30% blank output selection 00xxxxxx 01xxxxxx 10xxxxxx 11xxxxxx blank = ablank blank = eblank blank = 0v blank = 4v @ ic output pin * function pin voltages: (i) in output mode, are defined by the two lsbs of register 2, (ii) in input mode, set the state of the two lsbs of the read register. digital read is not meaningful in the pass-through mode( xxxx11xx ). ** aux_cin is not available on the 48 qfn package option. *** not available in the 48 qfn package option.
avpro? 5002r dual scart a/v switch data sheet page: 10 of 30 ? 2008 teridian semiconductor corporation rev 2.1 register 3: audio and general purpose control register b function bits description do_0 output control* xxxxxxx0 xxxxxxx1 do_0 output = 0 (low) do_0 output = 1 (high) do_1 output control* xxxxxx0 x xxxxxx1x do_1 output = 0 (low) do_1 output = 1 (high) lin/rin gain control xxxx00 xx xxxx01xx xxxx10xx xxxx11xx input amplifier gain set at 0 db input amplifier gain set at 6 db input amplifier gain set at 9 db input amplifier gain set at 11.5 db tv stereo/mono control xx 00 xxxx xx01xxxx xx10xxxx xx11xxxx tv audio mode: stereo tv audio mode: mono (sum l+r) on both tv_lout and tv_rout tv audio mode: l channel on both tv_lout and tv_rout tv audio mode: r channel on both tv_lout and tv_rout aux stereo/mono control 00xxxxxx 01xxxxxx 10xxxxxx 11xxxxxx aux audio mode: stereo aux audio mode: mono (sum l+r) on both aux_lout and aux_rout aux audio mode: l channel on both aux_lout and aux_rout aux audio mode: r channel on both aux_lout and aux_rout * not available in the 48 qfn package option. register 4: audio control register c function bits description tv volume control select 1 xxxxxxx0 xxxxxxx1 volume control active on tv_lout, tv_rout; mod_mono tv_lout, tv_rout; mod_mono bypass the volume control tv volume control select 2 xxxxxx0 x xxxxxx1x volume control active on lout, rout lout, rout bypass the volume control enable 6db gain xxxxx0xx xxxxx1xx 0 db of additional gain added to volume control 6 db additional gain added to volume control line out source xxxx0xxx xxxx1 xxx audio on lout/rout will be the same as the tv_lout/tv_rout audio on lout/rout will be from the tv_lin/tv_rin inputs not used 0000 xxxx reserved, set to 0 for normal operation
avpro? 5002r dual scart a/v switch data sheet page: 11 of 30 ? 2008 teridian semiconductor corporation rev 2.1 scart switching table input pins output pin aux_r: red input from aux port enc_r: red input from enc port enc_b: optional chroma input from enc port enc_c: chroma input from enc port tv_r: red video output to tv port or svhs chroma output to tv port aux_g: green input from aux port enc_g: green input from enc port tv_g: green video output to tv port aux_b: blue input from aux scart enc_b: blue input from enc port tv_b: blue video output to tv port ablank: blanking input from aux port eblank: blanking input from enc port blank: tv blanking output for rgb (also can have internal 0v or 4v produced at this pin) aux_yc: composite input from aux port enc_yc: composite input from enc port enc_y: luminance input from enc port enc_g: optional luminance input from enc port tv_ycout: composite video or svhs luminance output to tv port aux_yc: composite input from aux port enc_yc: composite input from enc port enc_b: optional chroma input from enc port aux_cin/aux_yc: sum of chroma and luma mod_yc: follows tv_ycout output. composite (or luma sum with chroma) output to rf modulator enc_c: chroma input from enc port enc_r: optional chroma input from enc port enc_b: optional chroma input from enc port enc2_c: encoder 2 chroma input aux_cout: chroma output to auxiliary port enc_yc: composite input from enc port enc_b: optional chroma input from enc port enc_g: optional luminance input from enc port enc_y: luminance input from enc port tv_ycin: composite input from tv scart enc2_y: encoder 2 luminance input aux_ycout: composite video output to auxiliary port aux_lin: left audio input from aux port lin: left audio input from audio dac tv_lin: left audio input from tv scart lout: left audio output to rca jack aux_lin: left audio input from aux port lin: left audio input from audio dac tv_lout: left audio output to tv port lin: left audio input from audio dac tv_lin: left input from tv scart aux_lout: left audio output to auxiliary port aux_rin: right audio input from aux port rin: right audio input from audio dac tv_rin: right audio input from tv scart rout: right audio output to rca jack aux_rin: right audio input from aux port rin: right audio input from audio dac tv_rout: right audio output to tv port rin: right audio input from audio dac tv_rin: right input from tv scart aux_rout: right audio output to auxiliary port
avpro? 5002r dual scart a/v switch data sheet page: 12 of 30 ? 2008 teridian semiconductor corporation rev 2.1 pin descriptions (pins marked n/c should be left unconnected during normal use) name pin qfn pin lqfp type description analog pins ablank 2 4 i auxiliary blanking input: in a typical system, this pin is connected to the rgb status pin (pin 16) from the auxiliary scart connector. aux_r 4 6 i auxiliary red input: in a typical system, this pin is connected to the red input pin (pin 15) of the auxiliary scart connector. this input can be selected as the signal source for the tv_r output pin. aux_g 5 7 i auxiliary green input: in a typical system, this pin is connected to the green input pin (pin 11) of the auxiliary scart connector. this input can be selected as the signal source for the tv_g output pin. aux_b 6 8 i auxiliary blue input: in a typical system, this pin is connected to the blue input pin (pin 7) of the auxiliary scart connector. this input can be selected as the signal source for the tv_b output pin. aux_fnc 28 37 i/o auxiliary function pin: this is a bi-directional pin. as an input, it digitizes the analog voltage on the auxiliary scart function pin (8). as an output, it puts out one of three voltage levels to the auxiliary scart function pin. aux_cin ---- 3 i auxiliary chroma input: in a typical application, this pin is ac coupled to the red input line from the auxiliary scart connector. when the svhs mode is selected from the auxiliary scart video source, this pin is internally summed to the aux_yc input to generate a composite video signal for the mod_yc output. aux_yc 1 2 i auxiliary video input: in a typical system, this pin is connected to the composite video input pin (pin 20) of the auxiliary scart connector. this input can be selected as the signal source for the tv_ycout. aux_lin 11 13 i auxiliary left audio input: in a typical system, this pin is connected to the l audio input pin (pin 6) of the auxiliary scart connector. this input can be selected as the signal source for the tv_lout. aux_rin 12 15 i auxiliary right audio input: in a typical system, this pin is connected to the r audio input pin (pin 2) of the auxiliary scart connector. this input can be selected as the signal source for the tv_rout. eblank 3 5 i encoder blanking input: in a typical system, this pin is connected to the blanking signal from the external video encoder device. enc_r 33 45 i encoder red input: in a typical system, this pin is connected to the red output pin from the external video encoder device. this input can be selected as the signal source for the tv_r output pin. enc_g 32 44 i encoder green input: in a typical system, this pin is connected to the green output pin from the external video encoder device. this input can be selected as the signal source for the tv_g output pin. enc_b 31 43 i encoder blue input: in a typical system, this pin is connected to the blue output pin from the external video encoder device. this input can be selected as the signal source for the tv_b output pin.
avpro? 5002r dual scart a/v switch data sheet page: 13 of 30 ? 2008 teridian semiconductor corporation rev 2.1 pin descriptions (continued) name pin qfn pin lqfp type description enc_yc 34 46 i encoder video input: in a typical system, this pin is connected to the composite video output pin from the external video encoder device. this input can be selected as the signal source for the aux_ycout and/or tv_ycout pins. enc_y 36 48 i encoder luminance input: in a typical system, this pin is connected to the composite video output pin from the external video encoder device. in svhs mode, this input can be selected as the signal source for the tv_ycout pin and/or the aux_ycout pin. enc2_y ----- 61 i encoder 2 luminance input: in a typical system, this pin is used as an alternate source for s-video luminance information to a vcr when osd information is not desired. this input can be selected as the signal source for the aux_ycout pin. enc_c 35 47 i encoder chroma input: in a typical system, this pin is connected to the tv_r output pin from the external video encoder device. in the svhs mode, this input can be selected as the signal source for the tv_r pin and/or the aux_cout output pin. enc2_c ----- 63 i encoder 2 chroma input: in a typical system, this pin is used as an alternate source for s-video chroma information to a vcr when osd information is not desired. this input can be selected as the signal source for the aux_cout output pin. lin 25 34 i left audio input: in a typical system, this pin is connected to the left audio output pin of the external audio dac. this input can be selected as the signal source for the tv_lout and/or aux_lout pins. rin 24 33 i right audio input: in a typical system, this pin is connected to the right audio output pin of the external audio dac. this input can be selected as the signal source for the tv_rout and/or aux_rout pins. tv_ycin 48 1 i tv composite video input: this pin accepts composite video from the tv scart. this pin can be selected as the source for the aux_ycout pin. tv_lin 9 11 i tv left audio input: this pin accepts audio from the tv scart. this pin can be selected as the source for the aux_lout audio output and the lout audio output. tv_rin 10 12 i tv right audio input: this pin accepts audio from the tv scart. this pin can be selected as the source for the aux_rout audio output and the rout audio output. aux_ycout 46 60 o auxiliary video output: this pin is the composite video output to the auxiliary scart connector (pin 19). in the svhs mode, this pin is the luma output. aux_lout 15 22 o auxiliary left audio output: this pin is the output to the left channel audio (pin 3) of the auxiliary scart connector. aux_rout 22 29 o auxiliary right audio output: this pin is the output to the right channel audio (pin1) of the auxiliary scart connector. aux_mono 18 25 o auxiliary mono output: this pin is equivalent to the sum of the output signals on aux_lout and aux_rout . blank 41 55 o blanking output: this output provides the blanking signal to the tv scart connector (pin 16). this signal is either the blanking signal from the auxiliary scart connector ( ablank ) or the external video encoder ( eblank ). lout 17 24 o left audio output: this pin is the output to the left channel audio rca jack. rout 20 27 o right audio output: this pin is the output to the right channel audio rca jack. mod_mono 19 26 o mono audio output: this pin is sum of lout & rout to the rf modulator input.
avpro? 5002r dual scart a/v switch data sheet page: 14 of 30 ? 2008 teridian semiconductor corporation rev 2.1 pin descriptions (continued) name pin qfn pin lqfp type description aux_cout 47 62 o aux chroma output: this output provides a chroma signal to the auxiliary scart connector to support svhs operation. this pin is typically ac coupled to pin 15 of the auxiliary scart connector. when the s-video mode is selected, a chroma signal from the video encoder is output to this pin. mod_yc 39 53 o tv modulator video output: this pin provides composite video for an external rf modulator. the signal on this pin follows the composite video output to the tv_ycout pin. tv_ycout 40 54 o tv video output: this pin is the composite video output to the tv scart connector (pin 19). in the svhs mode, this pin provides luminance information. tv_r 42 56 o tv red output: this pin provides red video to the tv scart connector (pin 15). in svhs mode, this pin provides the chroma information. tv_g 44 58 o tv green output: this pin provides green video to the tv scart connector (pin 11). tv_b 45 59 o tv blue output: this pin provides blue video to the tv scart connector (pin 7). tv_lout 16 23 o tv left audio output: this pin is the output to the left channel audio (pin 3) of the tv scart connector. tv_rout 21 28 o tv right audio output: this pin is the output to the right channel audio (pin1) of the tv scart connector. tv_fnc 27 36 i/o tv function pin: this is a bi-directional pin. as an input, it digitizes the analog voltage on the tv scart function pin (8). as an output, it puts out one of three voltage levels to the tv scart function pin. digital pins do_0 ---- 40 o digital output 0: this pin is a general purpose output that is controlled by serial port register. do_1 ---- 41 o digital output 1: this pin is a general purpose output that is controlled by serial port register. sclk 30 39 i serial clock input: this pin accepts a serial port clock input signal. sdata 29 38 i/o serial data input/output that can receive or transmit serial data. power/ground pins vcc 14,37 ,43 21, 50, 57 - +5 vdc power supply pins. vdd 13,26 20,35 - +12 vdc power supply pin for function switching circuits. vref 7 9 - internal voltage reference, bypass pin. add capacitor 0.1 f(1.0 f for better psrr) to ground. gnd 23 17, 32, 49, 64 - ground for all blocks. rbias 8 10 - bias point of internal current generator. add resistor 10.0k ? ( + 1%) to ground. tgen 38 51 - reference point for internal timing circuit. add capacitor 470pf to ground. note: the exposed pad on the bottom of the 48 qfn package must be grounded .
avpro? 5002r dual scart a/v switch data sheet page: 15 of 30 ? 2008 teridian semiconductor corporation rev 2.1 electrical specifications absolute maximum ratings operation beyond the maximum ratings may damage the device parameter rating storage temperature -55 to 150 c junction operating temperature +125 c 5v supply voltage pins -0.3 v < vcc < 6 v 12v supply pin -0.3 v < vdd < 13 v voltage applied to digital and video inputs -0.3 v to vcc+0.3 v voltage applied to video pins -0.3 v to vcc+0.3 v voltage applied to audio pins -0.3 v < vdd < 13 v voltage applied to fnc pin (input) -0.3 v < vdd < 13 v esd tolerance ? scart pins* 5 kv esd tolerance ? other pins 2.5 kv * note: to pass the scart 15 kv esd requirement, external protection for the ic is required. specifications : unless otherwise specified: 0 < ta < 70 c; power supplies vcc = +5.0 v 5%, vdd = 12.0 v 5%. parameter condition min nom max unit operating characteristics power supply currents (default register setting) no signal, video outputs not loaded vcc (+5 vdc) vdd (+12 vdc) 18 17 ma ma power supply currents (composite auxiliary outputs on) no signal, video outputs not loaded vcc (+5 vdc) vdd (+12 vdc) 28 20 ma ma psrr f in = 100 hz, 0.3 vpp on vcc/ vdd 40 db switch time from rising edge of 8 th clock 0.8 s serial port timing( set by i 2 c controller ) sclk input frequency 400 khz sclk low time (t cl ) 1.3 s sclk high time (t ch ) 0.6 s rise time (t rt ) sclk and sdata 300 ns fall time (t ft ) sclk and sdata 300 ns data set-up time* (t dsu ) sdata change to sclk high 100 ns data hold time* (t dh ) sclk low to sdata change 30 ns start set-up time (t ssu ) 0.6 s start hold time (t sh ) 0.6 s stop set-up time (t psu ) 0.6 s glitch rejection maximum pulse on sclk and/or sdata 50 ns * these specifications also apply to an acknowledge generated by the device.
avpro? 5002r dual scart a/v switch data sheet page: 16 of 30 ? 2008 teridian semiconductor corporation rev 2.1 specifications (continued) digital i/o characteristics (sclk, sdata) parameter condition min nom max unit high level input voltage 0.7* vcc vcc+0.3 v low level input voltage gnd-0.3 0.3* vcc v high level input current (sclk) vin = vcc - 1.0v -10 10 a high level input current (sdata) vin = vcc - 1.0v -50 50 a low level input current (sclk) vin = 1.0v -10 10 a low level input current (sdata) vin = 1.0v -50 50 a low level output voltage (sdata) i ol = 3 ma 0.4 v fall time (t ft ) v ihmin to v ilmax (sdata) acknowledge or read with c l = 400pf 250 ns digital i/o characteristics (do_0, do_1, tv_fnc, aux_fnc) digital output sink current do_0, do_1, register bits read 0 3.0 ma digital output fall time r pullup = 10 k , c l = 15 pf 100 ns digital output voltage high r pullup = 10 k , c l = 15 pf 4.0 vcc v digital output voltage low r pullup = 10 k , c l = 15 pf 0 1 v tv_fnc or aux_fnc output level 10k ? or higher load to ground register 2 = xxxxxx00 register 2 = xxxxxx01 register 2 = xxxxxx10 or xxxxxx11 0.0 4.9 10.0 .002 5.6 11.7 1.2 6.5 vdd v v v passthrough mode register 2 = xxxx11xx 0.0 v < vin < 2.0 v 5.1 v < vin < 7.0 v 11.0 v < vin < vdd v 0.0 4.5 9.5 2.0 7.0 vdd v v v tv_fnc or aux_fnc input levels read register = xxxxxx00 read register = xxxxxx01 read register = xxxxxx10 0.0 4.5 9.5 2.0 7.0 vdd v v v sclk t ft t ch t cl t psu t dsu t dh t sh t ssu t rt sdata start msb lsb stop serial port timing (typical)
avpro? 5002r dual scart a/v switch data sheet page: 17 of 30 ? 2008 teridian semiconductor corporation rev 2.1 video characteristics - unless otherwise noted, typical output loading on all video outputs is 150 . all video outputs are capable of withstanding a sustained 75 ? load to ground without damage. parameter condition min nom max unit input impedance all video inputs 100 k input dynamic range f in = 100 khz, thd < 0.15% 1.5 vpp gain at all video outputs, except mod_yc 1.0 vpp input, f in = 100 khz 1.9 2.0 2.1 v/v gain at mod_yc 1.0 vpp input, f in = 100 khz 0.95 1.0 1.05 v/v rgb gain control a 0 = reading xx00xxxx gain 1.0 vpp input, f in = 100 khz; register 2 = xx00xxxx register 2 = xx01xxxx register 2 = xx10xxxx register 2 = xx11xxxx 1.9 a 0 ?12% a 0 ?22% a 0 ?33% 2.0 a 0 ?10% a 0 ?20% a 0 ?30% 2.1 a 0 ?8% a 0 ?18% a 0 ?27% v/v v/v v/v v/v output gain inequality rgb or svhs output channel to channel -2.5 2.5 % output dc level blank level clamp voltage average level rgb outputs cvbs or luma output 1.2 v chroma output 1.7 v signal to noise ratio 1 vpp, 100khz input 58 63 db cross talk f in = 4.43 mhz, 1 vpp -55 db output to output differential delay rgb signals, f in = 100 khz -20 20 ns blanking level input or output, logical ?0? 0.0 0.4 v input or output, logical ?1? 1.0 3.0 v blanking delay blank to rgb signals -50 50 ns differential phase tv_ycout, aux_ycout and mod_yc -2.5 2.5 deg. differential gain tv_ycout, aux_ycout and mod_yc -2.5 2.5 % audio characteristics - unless otherwise noted, all audio outputs shall drive a load of 10.3 k . all audio outputs will withstand a sustained 300 ? to ground without damage. parameter condition min nom max unit input impedance 100 k output impedance 10 gain f in = 1.0 khz, 0 db settings 0.95 1.0 1.05 v/v frequency response 0.5 vrms input, flat within 0.3 db 20 khz measured -3 db point 100 khz dynamic range a weighting filter f in = 1.0 khz, 2.0 vrms; register 4 = xxxxxx11 90 db
avpro? 5002r dual scart a/v switch data sheet page: 18 of 30 ? 2008 teridian semiconductor corporation rev 2.1 audio characteristics ? cont. (thd* spec. at 1 khz frequency and 0 db dac input gain and volume control settings) parameter condition min nom max unit signal to noise ratio a weighting filter f in = 1.0 khz, 2.0 vrms; register 4 = xxxxxx11 90 db distortion (thd)* aux_lin/aux_rin to all outputs bypass volume control 0.5 vrms output 0.1 % 2.0 vrms output 0.1 % pass through volume control 0.5 vrms output 0.1 % 2.0 vrms output 0.1 % distortion (thd)* lin/rin to lout/rout, tv_lout/tv_rout and mod_mono bypass volume control 0.5 vrms output 0.1 % 2.0 vrms output 0.1 % pass through volume control 0.5 vrms output 0.1 % 2.0 vrms output 0.1 % distortion (thd)* lin/rin to aux_lout, aux_mono and aux_rout independent of volume control 0.5 vrms output 0.1 % 2.0 vrms output 0.1 % distortion (thd)* tv_lin/tv_rin to all outputs independent of volume control 0.5 vrms output 0.1 % 2.0 vrms output 0.1 % dc offset at aux outputs aux_lout, _rout and _mono -55 45 mv dc offset at tv & line outputs bypass volume control -55 45 mv tv_rout, tv_lout, rout, volume control active, 0 db gain -100 60 mv lout and mod_mono volume control active, 6 db gain -140 120 mv output phase matching f in = 1.0 khz, 0.5 vrms; any stereo pair 0.5 deg. stereo separation any stereo pair f in = 1.0 khz, 2.0 vrms 85 db crosstalk (any combination) f in = 1.0 khz, 2.0 vrms 75 db dac input gain register 3 xxxx00xx xxxx01xx xxxx10xx xxxx11xx 0 6 9 11.5 db db db db output attenuation (volume control) at tv_lout/tv_rout, lout/rout and mod_mono reg. 0=x0000000 (0 db attenuation) register 4 = 00000000 register 4 = 00000100 0 6 db db reg. 0=x0011111 (31 db attenuation) register 4 = 00000000 register 4 = 00000100 -31 -25 db db reg. 0=x0111111 (63 db attenuation) register 4 = 00000000 register 4 = 00000100 -63 -57 db db register 0 = x1xxxxxx (mute) register 4 = 00000000 -75 db attenuation accuracy register 0 = 00000100 to 00011111 -5 5 % attenuation accuracy register 0 = 00000001 to 00000011 -10 10 % audio to video path skew video input = 1.0 vpp @ 100khz audio input = 0.5 vrms @ 1.0khz 1.5 s
avpro? 5002r dual scart a/v switch data sheet page: 19 of 30 ? 2008 teridian semiconductor corporation rev 2.1 applications diagram : avpro 5002r tv_ycin aux_yc aux_cin enc2_c enc2_y enc_y enc_c enc_yc enc_r enc_g enc_b n/c do_1 do_0 sclk sdata tv_fnc aux_fnc vdd lin rin ablank eblank aux_r aux_g aux_b vref rbias tv_lin tv_rin n/c aux_lin aux_rin gnd n/c vcc aux_ycout gnd vcc aux_cout tv_r tgen tv_b tv_g tv_ycout mod_yc blank gnd vcc aux_lout tv_lout aux_mono n/c n/c vdd lout aux_rout rout tv_rout mod_mono gnd n/c n/c n/c 1 2 3 10 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 43 42 41 44 45 46 47 48 51 49 54 53 52 50 57 56 55 60 59 58 64 63 62 61 75 75 75 75 75 75 470pf +5v +5v 75 +5v 330 330 +12v sda scl 10k 1 3 5 7 9 11 13 15 17 19 21 2 4 6 8 10 12 14 16 18 20 gnd gnd gnd gnd gnd gnd gnd gnd tv_lin tv_rin tv_fnc tv_rout tv_lout tv_blue tv_green tv_red tv_cvbs_out tv_cvbs_in tv_blank tv aux_green 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 0.01uf 1uf 1 3 5 7 9 11 13 15 17 19 21 2 4 6 8 10 12 14 16 18 20 gnd gnd gnd gnd gnd gnd gnd gnd aux_lin aux_rin aux_fnc aux_rout aux_lout aux_blue aux_red aux_cvbs_out aux_cvbs_in aux_blank aux (vcr) to rf modulator tv_cvbs_out tv_blank tv_red tv_green tv_blue aux_cvbs_out 75 75 0.01uf 0.01uf 75 75 75 75 digital encoder input digital encoder input tv_cvbs_in aux_cvbs_in aux_red aux_green aux_blue aux_rin aux_lin tv_li n tv_ri n aux_lout tv_lout tv_rout aux_rout to rf modulator phono_l phono_r digital audio_r digital audio_l tv_fnc aux_fnc 10k 75 75 75 75 75 75 0.01uf 0.01uf 0.01uf 75 aux_blank 75 digital encoder blank digital encoder inputs 0.01uf 0.01uf 10uf 0.01uf +12v +5v 10uf power supplies 75 0.1uf 0.1uf 0.1uf 0.1uf 0.1uf 0.1uf aux_lout 10uf 10uf 10uf 10uf 10uf 10uf 10uf 10uf +12v 0.01uf 10k
avpro? 5002r dual scart a/v switch data sheet page: 20 of 30 ? 2008 teridian semiconductor corporation rev 2.1 applications information function pin control the avpro? 5002r controls the output voltage of the aux_fnc and tv_fnc pins with the same register bits. in some applications (such as bskyb), independent control of these output voltages is required. an external circuit pictured below that will allow independent control. the internal register bits should be used to control the aux_fnc pin as this pin is typically bi-directional. the control for the tv_fnc pin is then controlled by the external circuit. the do_0 and do_1 pins are used to switch two external transistors to create the three different voltage levels. the 150 ? resistor is used to limit the current through q2. with a scart load of 10k ? , the voltage at the tv_fnc pin is as follows: do_0 = 0, do_1 = 0; tv_fnc = 10.9v do_0 = 1, do_1 = 0; tv_fnc = 5.7v do_0 = 0, do_1 = 1; tv_fnc = 0.0v do_0 150 1k do_1 12v 1k tv_fnc q1 q2 note: do_0 and do_1 are not available on the 48 qfn package.
avpro? 5002r dual scart a/v switch data sheet page: 21 of 30 ? 2008 teridian semiconductor corporation rev 2.1 auxiliary red / chroma bi-directional operation: for the tv source selection of auxiliary rgb (register 1 xxxxx001) and s- video (register 1 xxxxx101), the output driver on the aux_cout pin acts as part of the load for the red/chroma signal input on pin 15 of the scart connector. in order to get the correct 75 ? load impedance, the aux_cout amplifier needs either a dc bias, an extra resistance to ground, or a fet pulldown. 1). to select an internal dc bias for the aux_cout amplifier , the aux a/v source should be set for s-video mode (svhs enc 1, enc 2, enc 3 or enc 4) per the following table. this puts 0.9 vdc bias at the input, or about 1.8v at the aux_cout pin, and 0.9v at the auxiliary scart connector when terminated (driven) in a 75 ? system. therefore, the outputs of the external video encoder must be disabled in this mode in order to prevent corruption of the incoming red/chroma video signal. 2). as an alternative, to select a 0v dc bias for the aux_cout amplifier , the aux a/v source should select one of the composite modes (enc1, enc2 or tv) or aux mute in the following table. in this mode, the internal amplifier bias set to 0v, but amplifier is a weak pulldown. the amplifier is biased between ground and +5v, as such, the output impedance of the aux_cout is around 100 ? including the 75 ? series resistor. a shunt resistor of 330 to 470 ? will compensate, but will slightly lower the aux_cout chroma signal. 3). another option is to add a fet with ~20 ? series resistor from the aux_cout to ground. select 0vdc bias for the aux_cout amplifier, and bias the fet in the ?on? or conducting state. the aux a/v source should select one of the composite modes (enc1, enc2 or tv) or aux mute. see the register 1: audio/video control bit table for settings. this method will compensate for the aux_cout pin pulldown, and not significantly reduce the aux_cout chroma signal. mux aux_r aux_cout aux_cin 75 : auxiliary scart pin 15 mux mux option 2 r = (330-470 : ) or 5002r option 3 fet + r = 20 : note: aux_cin is not available on the 48qfn package hot-plug of scart connectors semiconductor ics can be sensitive to discharges caused by floating chassis grounds between audio/video equipment. this is observed when the scart cables are repeatedly connected and disconnected while the ics are powered on inside the ird. when the scart cable is unplugged, an ac potential can exist between equipment. when the scart cable is plugged back into the ird, the ac potential discharges through the scart connector. if the discharge occurs through the shield of the scart connector or the ground pins, there is no problem. if the discharge occurs through the signal pins, semiconductor devices can experience potential issues. these issues will occur if the pulse created by the discharge has a fast rising edge, typically a few hundred pico-seconds. this is an order of magnitude faster than a standard esd pulse so the internal esd diodes of ics will not respond fast enough to protect the device. this issue can be resolved by placing a small shunt capacitor on each scart i/o pin. the capacitor slows the rising edge of the discharge pulse and allows the internal esd diodes to react to the discharge. an exact value should be calculated for each signal line depending upon the signal type so as to avoid roll-off of the intended signal. (see equivalent circuit section)
avpro? 5002r dual scart a/v switch data sheet page: 22 of 30 ? 2008 teridian semiconductor corporation rev 2.1 equivalent circuits : scart connector r l = 75 r=75 +5v video outputs c = 47pf esd protection + - vz 6.8v video output circuit scart connector aux_cout c = 47pf esd protection c = 0.01f + - c = 0.01f aux_r aux_cin r=75 6.8v vz auxiliary scart pin 15 circuit
avpro? 5002r dual scart a/v switch data sheet page: 23 of 30 ? 2008 teridian semiconductor corporation rev 2.1 video input circuit scart connector r l = 75 r<75 +5v video inputs c = 47pf esd protection dc restore c = 0.01f vz 6.8v 17k vcc digital output circuit aux and tv function switching circuit scart connector r l = 10k 330 +12v 470pf esd protection +12v 50 70k 25k 140k 25k r sw =70
avpro? 5002r dual scart a/v switch data sheet page: 24 of 30 ? 2008 teridian semiconductor corporation rev 2.1 scart connector r l = 10k c=0.1 uf +12v audio inputs esd protection audio input circuit scart connector r l = 10k c=10 uf +12v audio outputs esd protection audio output circuit
avpro? 5002r dual scart a/v switch data sheet page: 25 of 30 ? 2008 teridian semiconductor corporation rev 2.1 package pin designation (top view) tv_ycin blank tv_g aux_cout aux_ycout tv_b tv_ycout vcc tv_r tgen vcc mod_yc enc_y enc_c enc_yc enc_r enc_g enc_b sclk sdata aux_fnc tv_fnc vdd lin aux_yc ablank eblank aux_r aux_g aux_b vref rbias tv_lin tv_rin aux_lin aux_rin vdd lout aux_mono mod_mono tv_rout vcc aux_lout tv_lout rout gnd rin aux_rout 6 7 8 13 5 4 3 2 1 28 29 30 31 36 35 34 33 14 15 16 17 18 19 20 44 43 42 41 40 39 38 37 avpro 5002r 48 9 10 11 12 47 21 22 23 24 26 25 27 32 46 45 avpro? 5002r-cm (jedec 48 qfn)
avpro? 5002r dual scart a/v switch data sheet page: 26 of 30 ? 2008 teridian semiconductor corporation rev 2.1 mechanical drawing (48 qfn) top view 1.975 / 2.125 bottom view 0.24 / 0.6 0.24 / 0.6 0.4 0.65 nom. / 0.7max. 0.85 nom. / 0.9max. 0.00 / 0.005 0.20 ref. seating plane side view 12o max 1 2 3 3 2.875 6 5.75 2.875 3 6 5.75 1 2 3 0.45 0.35 min. 0.35 min. 3.95 / 4.25 1.975 / 2.125 1.975 / 2.125 0.15 / 0.25
avpro? 5002r dual scart a/v switch data sheet page: 27 of 30 ? 2008 teridian semiconductor corporation rev 2.1 recommended pcb land pattern dimensions 48 pin - qfn y e ad e a d g y x x g h h h h recommended pcb land pattern dimensions symbol description min typ max e lead pitch 0.4 mm x 0.25 mm 0.28 mm y 0.6 mm d 4.1 mm a 4.65 mm g 5.1 mm h via diameter, see note 1 0.3 mm note 1: provide thermal pad with solid via connection to the ground plane. vias should be incorporated with a 1.2mm pitch.
avpro? 5002r dual scart a/v switch data sheet page: 28 of 30 ? 2008 teridian semiconductor corporation rev 2.1 package pin designation (top view) avpro 5002r tv_ycin aux_yc aux_cin ablank eblank aux_r aux_g aux_b vref rbias tv_lin tv_rin n/c aux_lin aux_rin 1 9 17 25 33 41 49 57 enc_y enc_c enc_yc enc_r enc_g enc_b n/c do_1 do_0 sclk sdata tv_fnc aux_fnc vdd lin rin n/c gnd vcc aux_lout tv_lout aux_mono n/c n/c vdd lout aux_rout rout tv_rout mod_mono gnd n/c n/c gnd n/c vcc aux_ycout gnd vcc enc2_c aux_cout enc2_y tv_r tgen tv_b tv_g tv_ycout mod_yc blank avpro? 5002R-CGT (jedec 64 pin lqfp)
avpro? 5002r dual scart a/v switch data sheet page: 29 of 30 ? 2008 teridian semiconductor corporation rev 2.1 mechanical drawing 11.7 12.3 0.60 typ. 1.40 1.60 11.7 12.3 0.00 0.20 9.8 10.2 0.50 typ. 0.14 0.28 pin no. 1 indicator + 64-lead low profile plastic quad flatpack package (jedec lqfp) note: controlling dimensions are in mm. ordering information part description order no. package mark avpro ? 5002r dual scart a/v switch (64 lqfp) avpro 5002R-CGT avpro 5002r 5002R-CGT avpro ? 5002r dual scart a/v switch (64 lqfp) tape / reel avpro 5002R-CGTr avpro 5002r 5002R-CGT avpro ? 5002r dual scart a/v switch (64 lqfp) lead free avpro 5002R-CGT/f avpro 5002r 5002R-CGT avpro ? 5002r dual scart a/v switch (64 lqfp) lead free, tape / reel avpro 5002R-CGTr/f avpro 5002r 5002R-CGT avpro ? 5002r dual scart a/v switch (48 qfn) avpro 5002r-cm avpro5002r avpro ? 5002r dual scart a/v switch (48 qfn) tape / reel avpro 5002r-cmr avpro5002r avpro ? 5002r dual scart a/v switch (48 qfn) lead free avpro 5002r-cm/f avpro5002r avpro ? 5002r dual scart a/v switch (48 qfn) lead free, tape / reel avpro 5002r-cmr/f avpro5002r
avpro? 5002r dual scart a/v switch data sheet page: 30 of 30 ? 2008 teridian semiconductor corporation rev 2.1 this product is sold subject to the term s and conditions of sale supplied at the ti me of order acknowledgment, including those pertaining to warranty, patent infringement and limitation of liability. teridi an semiconductor corporation (tsc) reserves the right to make changes in specifications at any time without notice. accordingly, the reader is cautioned to ve rify that a data sheet is current before p lacing orders. tsc assumes no liability for applications assistance. purchase of i 2 c components of teridian corporation or one of its sublic ensed associated companies conveys a license under the philips i 2 c patent rights to use these components in an i 2 c system, provided that the system conforms to the i 2 c standard specification as defined by philips. teridian semiconductor corp., 6440 oak canyon rd., irvine, ca 92618 tel (714) 508-8800, fax (714) 508-8877, http://www.teridian.com ? 2008 ? teridian semiconductor corporation 09/09/08 ? rev 2.1

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