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a high definition audio soundmax ? codec AD1984 rev. 0 information furnished by analog devices is believed to be accurate and reliable. however, no responsibility is assumed by analog devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. specifications subject to change without no tice. no license is granted by implication or otherwise under any patent or patent rights of analog devices. trademarks and registered trademarks are the property of their respective owners. one technology way, p.o.box 9106, norwood, ma 02062-9106 u.s.a. tel: 781.329.4700 www.analog.com fax: 781.461.3113 ? 2007 analog devices, inc. all rights reserved. features four 192 khz dacs/adcs two independent stereo dac/adc pairs simultaneous record of two stereo channels simultaneous playback of two stereo channels independent 8, 11.025, 16, 22.05, 32, 44.1, 48, 88.2, 96, 176.4, and 192 khz sample rates 16, 20, and 24-bit resolution selectable stereo mixer on outputs 4-channel digital microphone interface four 192 khz digital microphone channels supports multiple microphone types two microphones per pin (four total) one microphone per pin (two total) low pin count, uses 3 pins stereo or quad array support 8, 11.025, 16, 22.05, 32, 44.1, 48, 88.2, 96, 176.4, and 192 khz sample rates 16, 20, and 24-bit resolution s/pdif output supports 44.1, 48, 88.2, 96, 176.4, and 192 khz sample rates 16, 20, and 24-bit data; pcm, and ac3 formats digital pcm gain control dedicated auxillary pins stereo cd/auxillary i/o port w/gnd sense stereo auxillary/dock i/o port mono out pin for internal speakers or telephony enhanced features two stereo headphone amplifiers microsoft vista premimum logo for notebook and desktop 96+ db audio outputs, 90+ db audio inputs internal 32-bit arithmetic for greater accuracy impedance and presence detection on all jacks three independent microphone bias pins digital and analog pcbeep three general-purpose digital i/o (gpio) pins 3.3 v analog and digital supply voltages advanced power management modes 48-lead, pb-free lfcsp_vq package figure 1. function al block diagram adc0 adc1 dac0 dm_clk dm_1/2 dm_3/4 digital microphone mono out port a port d port f AD1984 h d a u d i o i n t e r f a c e port c port e port b s/pdif out dac1 pcbeep hp hp digital pcbeep
rev. 0 | page 2 of 20 | january 2007 AD1984 contents AD1984 specifications .. ............................................ 4 test conditions ....................................................... 4 performance ........................................................... 4 general specifications ............................................... 4 hdCaudio link specification ..................................... 7 power down states .................................................. 7 absolute maximum ratings ....................................... 8 esd sensitivity ........................................................ 8 environmental conditions ......................................... 8 pin configuration and function descriptions ................. 9 digital microphone interface timing specifications ....... 12 hd audio widgets ................................................ 16 AD1984 hd audio parameter .. ................................ 17 outline dimensions ............................................... 20 ordering guide ..................................................... 20 revision history 1/07Crev 0: initial version
AD1984 rev. 0 | page 3 of 20 | january 2007 general description the AD1984 family of audio codecs and soundmax? software provides superior high definition audio quality that exceeds vista premium performance. the AD1984 has four 192 khz dacs, four 192 khz adcs, s/pdif output, a four-channel digi- tal microphone interface, digital beep and analog pcbeep. these features make the AD1984 the right choice for desktop and notebook pcs where performance is key. the AD1984 is available in a 48- lead, pb-free frame chip scale package in both reels and trays. see ordering guide on page 20 . additional information this data sheet provides a general overview of the AD1984 soundmax codecs architecture and functionality. additional information on the AD1984 is available in the AD1984 pro- grammers reference manual. please contact your local adi sales representitive for more in formation. for information on soundmax codecs and software see analog devices website at http://www.analog.com/soundmax . jack configurations the guideline shown in table 1 should be used when selecting ports for particular functions. th e symbols used in this table are defined as: li = line level input, lo = line level output, hp = output capable of driving headphone load, mic = input supports microphones with mi c bias and boost amplifier. table 1. port assignments port hp mic lo li port a x x port b x x port c x x port d x x port e x x x port f x x mono_out x
rev. 0 | page 4 of 20 | january 2007 AD1984 AD1984 specifications test conditions performance general specifications parameter test condition temperature digital supply analog supply mic_bias_in (via low-pass filter) sample rate f s input signal (frequency sine wave) amplitude for thd + n analog output pass band 25c 3.3 v 3.3 v 5.0 v 48 khz 1008 hz C3.0 db full scale 20 hz to 20 khz dac 10 k output load: line out tests 32 output load: headphone tests adc 0 db gain parameter min typ max unit line out drive (10 k loadsdac to pin) total harmonic distortion (thd + n) dynamic range (C60 db in ref to f s a-weighted) signal-to-noise ratio C86 96 96 db db db headphone drive (32 loadsdac to pin) total harmonic distortion (thd + n) dynamic range (C60 db in ref to f s a-weighted) signal-to-noise ratio C80 96 96 db db db microphone/line in (pin to adc, mic boost = 0 db) total harmonic distortion (thd + n) dynamic range (C60 db in ref to f s a-weighted) signal-to-noise ratio C81 90 90 db db db parameter min typ max unit digital decimation and interpolation filters 1 pass band C f s (khz) = 8 ~ 192 0 0.4 f s hz pass-band rippleC f s (khz) = 8 ~ 192 0.005 db stop band C f s (khz) = 8 ~ 192 0.6 f s hz stop-band rejection C f s (khz) = 8 ~ 192 C100 db group delay C f s (khz) = 8 ~ 192 20 1/f s group delay variation over pass band 0 s analog-to-digital converters resolution 24 bits gain error (full-scale span relative to nominal input voltage) 2 10 % interchannel gain mismatch (difference of gain errors) 0.2 0.5 db adc offset error 1 5mv adc crosstalk 1 line inputs (input l, ground r, read r; input r, ground l, read l) C85 db line_in to other C100 C80 db
AD1984 rev. 0 | page 5 of 20 | january 2007 digital-to-analog converters resolution 24 bits gain error (full scale span relative to nominal input voltage) 1 10 % interchannel gain mismatch (difference of gain errors) 0.5 db total audible out-of-band energy (measured from 0.6 f s to 20 khz) 1 C85 db dac crosstalk (input l, zero r, measure r_out; input r, zero l, measure l_out) 1 C95 db dac volumes step size (dac-0, dac-1) 1.5 db output gain/attenuation range C58.5 0 db mute attenuation of 0 db fundamental 1 C80 db adc volumes step size (adcsel-0, adcsel-1) 1.5 db pga gain/attenuation range C58.5 +22.5 db analog mixer signal-to-noise ratio input to output C ports b, c, or f, to port d output 95 db step size: all mixer inputs C1.5 db input gain/attenuation range: all mixer inputs C34.5 +12.0 db analog line level outputs full-scale output voltage: line out drive enabled 1.0 v rms 3 ports a, d, e, f, and mono out 2.83 v p-p output impedance 1 190 external load impedance 1 10 k output capacitance 1 15 pf external load capacitance 1000 pf analog hp drive outputs full-scale output voltage: line out drive enabled 1.0 v rms 3 ports a and d (when hp drive is enabled) 2.83 v p-p output impedance 1 0.5 external load impedance 1 32 output capacitance 1 15 pf external load capacitance 1 1000 pf analog inputs input voltages C ports b, c, or e mic boost = 0 db 1 2.83 v rms 3 v p-p input voltages C microphone boost amplifier, ports b, c, or e mic boost = +10 db 0.316 0.894 v rms 3 v p-p mic boost = +20 db 0.1 0.283 v rms 3 v p-p mic boost = +30 db 0.032 0.089 v rms 3 v p-p input impedance pcbeep ports b, c, e (mic boost = 0 db) port f 23 150 45 k k k input capacitance 1 57.5pf parameter min typ max unit
rev. 0 | page 6 of 20 | january 2007 AD1984 microphone bias mic_bias-b, mic_bias-c mic_bias_in (pin 33) = +5 v or +3.3 v v ref setting = hi-z hi-z v ref setting = 0 v 0 v dc v ref setting = 50% 1.65 v dc mic_bias_in (pin 33) = +5 v v ref setting = 80% 3.7 v dc v ref setting = 100% 3.9 v dc mic_bias_in (pin 33) = +3.3 v v ref setting = 80% 2.86 v dc v ref setting = 100% 3.0 v dc mic_bias-e (when enabled as bias) v ref setting = hi-z hi-z v dc v ref setting = 0 v 0 v dc v ref setting = 50% 1.65 v dc v ref setting = 80% 2.86 v dc v ref setting = 100% 3.0 v dc output drive current v ref setting = 50%, 80%, or 100% 1.6 ma gpio 0 input signal high (v ih )dv io 0.60 dv io v input signal low (v il )0dv io 0.24 v output signal high (v oh ) i out = C500 adv io 0.72 dv io v output signal low (v ol )i out = +1500 a0 dv io 0.10 v input leakage current (signal high) (i ih ) C150 na input leakage current (signal low) (i il )C50 a gpio 1 and 2 input signal high (v ih )av dd 0.60 av dd v input signal low (v il )0av dd 0.24 v output signal high (v oh )i out = C500 aav dd 0.72 av dd v output signal low (v ol )i out = +1500 a0 av dd 0.10 v input leakage current (signal high) (i ih ) C150 na input leakage current (signal low) (i il )C50 a dm clock output signal high (v oh )i out = C500 aav dd 0.72 av dd v output signal low (v ol )i out = +1500 a0 av dd 0.10 v dm 1/2 and 3/4 input signal high (v ih )av dd 0.60 av dd v input signal low (v il )0av dd 0.24 v input leakage current (signal high) (i ih ) C150 na input leakage current (signal low) (i il )C50na power supply analog (av dd ) 3.3 v 5% power supply range power dissipation supply current 3.13 3.30 99 31 3.46 v mw ma digital (dv dd ) 3.3 v 10% power supply range power dissipation supply current 2.97 3.30 162 58 3.63 v mw ma digital i/o (dv io ) 3.3 v 10% power supply range power dissipation supply current 2.97 3.30 3.96 1.2 3.63 v mw ma power supply rejection (reference to f s 100 mv p-p signal @ 1 khz) 1 80 db 1 guaranteed but not tested. 2 measurements reflect main adc. 3 rms values assume sine wave input. parameter min typ max unit
AD1984 rev. 0 | page 7 of 20 | january 2007 hdCaudio link specification high-definition audio signals comply with the high-definition audio specification. please refer to these specifications at: http://www.intel.com/standards/hdaudio/ power down states parameter id vdd typ ia vdd typ unit function node in d0, all nodes active 58 31 ma function node in d3 1 1 function node d3 state powers down all nodes except for the v ref , mixer and mic_bias nodes which ha ve independent power controls. v ref should be kept active when background functions such as jack presence detection or analog pass-through are required. mixer sh ould be kept active when anal og pass-through is required. mic_bias can be disabled if microphones are not in use in the power-down state. 21 2 ma codec in reset 33ma individual block power savings dac pair powered down saves (each) adc pair powered down saves (each) mixer power control (and associated amps) saves dm_flt pair powered down saves (each) dm_clk powered down saves 2 mic_bias powered down saves 3 2 test conditions: 30 pf load , 2.0 mhz frequency, 3.3 v a vdd. 3 powering down the mic_bias powers down all port mic_bias pins. this disables all micr ophone bias circuits se t to 100% or 50%, s etting them to the hi-z state. the 0 and hi-z states remain unaffec ted by the mic_bias power state. 6 5 0 5 0 0 5 3 2 0 1 0.5 ma ma ma ma ma ma
rev. 0 | page 8 of 20 | january 2007 AD1984 absolute maximum ratings stresses greater than those list ed below may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may a ffect device reliability. esd sensitivity environmental conditions ambient temperature rating t amb = t case C (pd ca ) t case = case temperature in c pd = power dissipation in w ca = thermal resistance (case-to-ambient) ja = thermal resistance (junction-to-ambient) jc = thermal resistance (junction-to-case) all measurements per eia-jesd 51 with 2s2p test board per eia-jesd51-7. power supplies min max unit digital (dv dd ) C0.30 +3.65 v digital i/o (dv io ) C0.30 +3.65 v analog (av dd ) C0.30 +3.65 v input current (except supply pins) 10.0 ma analog input voltage (signal pins) C0.30 av dd + 0.3 v digital input voltage (signal pins) C0.30 dv io + 0.3 v ambient temperature (operating) 0 +70 c storage temperature C65 +150 c esd (electrostatic discharge) sensitive device. charged devices and circuit boards can discharge without detection. although this product features patented or proprietary circuitry, damage may occur on devices subjected to high energy esd. therefore, proper esd precautions should be take to avoid performance degradation or loss of functionality. table 2. thermal resistance package ja jc ca unit lfcsp_vq 47 15 32 c/w
AD1984 rev. 0 | page 9 of 20 | january 2007 pin configuration and function descriptions figure 2. AD1984 48-l ead package and pinout 1 2 3 4 5 6 7 8 9 10 11 12 24 23 13 14 15 16 17 18 19 20 21 22 34 33 36 35 25 26 27 28 29 30 31 32 44 43 47 48 45 46 37 38 39 40 41 42 AD1984jcpz top view (not to scale) dv core dm_1/2 dv i/o dm_3/4 sdata_out bit_clk dv ss sdata_in dv dd sync reset pcbeep port-d_r port-d_l p o r t - c _ r p o r t - c _ l p o r t - b _ r p o r t - e _ l p o r t - f _ r p o r t - f _ l p o r t - b _ l p o r t - e _ r c d _ g n d ( p o r t f ) s e n s e _ a / s r c _ b sense_b/src_a p o r t - a _ l p o r t - a _ r g p i o _ 0 / e a p d a v d d d m _ c l k a v s s s p d i f - o u t mic_bias_in mic_bias-b mic_bias-c gpio_2 gpio_1/mic_bias-e mono_out av dd av ss vref_filt n c = n o c o n n e c t n c = n o c o n n e c t n c = n o c o n n e c t n c = n o c o n n e c t n c = n o c o n n e c t n c = n o c o n n e c t n c = n o c o n n e c t
rev. 0 | page 10 of 20 | january 2007 AD1984 table 3. AD1984 pin descriptions mnemonic pin no. i/o description digital interface sdata_out bit_clk sdata_in sync reset 5 6 8 10 11 i i i/o i i link serial data output . AD1984 input stream. clocked on both edges of the bit_clk. link bit clock. 24.000 mhz serial data clock . link serial data input. AD1984 output stre am clocked only on one edge of bit_clk. link frame sync. link reset. AD1984 master hardware reset. digital i/o dm_1/dm_2 dm_3/dm_4 dm_clk gpio_2 gpio_1/mic_bias-e gpio_0/eapd s/pdif_out 2 4 46 30 31 47 48 i i o i/o i/o i/o o digital microphone 1 and 2 inputs (for bi-phase microphones), or digital microphone 1 input (for single-phase microphones). digital microphone 3 and 4 inputs (for bi-phase microphones), or digital microphone 2 input (for single-phase microphones). clock to drive external digital microphones. general purpose input/output pins. digital signals used to control or sense external circuitry. general purpose i/o/microphone bias for port e. capable of hi-z, 1.65 v, and 2.86 v. pin 31 shares functionality between gpio_1 (default) and mic_bias_e. these functions are mutually exclusive and the gp io function takes priority over the mic_bias function. when the gpio enable bi t is 0, pin 31 functions as a mic_bias pin associated with port e. eapd/general purpose input/output pin. pin 47 shares functionality between gpio_0 and eapd. these functions are mutually exclusive and the eapd function takes priority over the gpio function. by defa ult, the pin is in a hi-z state. external resistors should be used to insure the prop er circuit state when this pin is in hi-z. s/pdif_out C supports s/pdif output. jack sense and eapd sense_a/src_b sense_b/src_a 13 34 i/o i/o jack sense a-d input/sense b drive. jack sense e-f input/sense a drive. analog i/o pcbeep port e_l port e_r port f_l port f_r cd_gnd port b_l port b_r port c_l port c_r mono_out port d_l port d_r port a_l port a_r 12 14 15 16 17 19 21 22 23 24 32 35 36 39 41 li li, mic, lo li, mic, lo li, lo li, lo i li, mic li, mic li, mic li, mic lo hp, lo hp, lo hp, lo hp, lo monaural input from system for analog pcbeep. auxiliary input/output left channel. auxiliary input/output right channel. auxiliary input/output left channel. auxiliary input/output right channel. cd-audio-analog-ground-reference. must be connected to agnd via a 0.1 f capacitor if not in use as cd_gnd. must always be ac coupled. front panel stereo mic/line-in. front panel stereo mic/line-in. rear panel stereo mic/line-in. rear panel stereo mic/line-in. monaural output to internal speaker or telephony subsystem speakerphone. rear panel headphone/line-out. rear panel headphone/line-out. front panel headphone/line-out. front panel headphone/line-out. the symbols used in this table are defined as: i = input, o = outp ut, li = line level input, lo = line level output, hp = outpu t capable of driving headphone load, mic = input supports microphones with mic bias and boost amplifier.
AD1984 rev. 0 | page 11 of 20 | january 2007 filter/reference v ref _filt mic_bias-b mic_bias-c 27 28 29 o o o voltage reference filter. switchable microphone bias. for use with port b (pins 21, 22). switchable microphone bias. for use with port c (pins 23, 24). both mic bias pins are capable of hi-z, 0 v, 1.65 v, 3.7 v, and 3.9 v (with 5.0 v on pin 33), hi-z, 0 v, 1.65 v, 2.86 v, and 3.0 v (with 3.3 v on pin 33). dv core 1 o caution: do not apply 3.3 v to this pin! filter connection for internal core voltage regulator. this pin must be connected to filter caps: 10 f, 1.0 f, and 0. 1 f connected in parallel between pin 1 and d vss (pin 7). power and ground dv io 3.3v 3 i link digital i/o voltage reference. 3.3 v dv ss 7 i digital supply return (ground). dv dd 3.3 v 9 i digital supply voltage 3.3 v . this is regulated down to dv core on pin 1 to supply the internal digital core internal to the AD1984. av dd 3.3 v 25, 38 i caution: do not apply 5 v to these pins! analog supply voltage 3.3 v only. note: av dd supplies should be well regulated and filtered as supply noise degrades audio performance. mic_bias_in 5.0 v or 3.3 v 33 i source power for microphone bias boost circuitry. connect this pin to 5.0 v via a low-pass filter. when connected this way the AD1984 is capable of providing +3.9 v as a mic bias to all of the mic bias pins (except on pin 31). if 5 v is not available, connect this pin to +3.3 v (av dd ) via a low-pass filter. the AD1984 produces a mic bias voltage relative to the av dd supply (typically 3.0 v @ av dd = 3.3 v). av ss 26, 42 i analog supply return (ground). av ss should be connected to dv ss using a conductive trace under, or close to, the AD1984. table 3. AD1984 pin descriptions (continued) mnemonic pin no. i/o description the symbols used in this table are defined as: i = input, o = outp ut, li = line level input, lo = line level output, hp = outpu t capable of driving headphone load, mic = input supports microphones with mic bias and boost amplifier.
rev. 0 | page 12 of 20 | january 2007 AD1984 digital microphone inter face timing specifications the digital microphone interface can support one, two, or four digital microphones using two or three codec pins. both uniplex (one mic per data pin) and multiplex (two mics sharing the same data pin) are supported. these configurations are shown in figure 3 , figure 4 , figure 6 , and figure 7 . the interface can generate a microphone clock at 1.5 mhz, 2.0 mhz, or 3.0 mhz to suit quality and power requirements. table 4. digital microphone timing parameters parameter min typ max unit timing requirements t 0 dm_clk (1.5 mhz) period duty cycle 667 60/40 ns % t 0 dm_clk (2.0 mhz) period duty cycle 500 50/50 ns % t 0 dm_clk (3.0 mhz) period duty cycle 333 50/50 ns % t 1 dm_clk rise time 5ns t 2 dm_clk fall time 5ns t 3 dm_clk edge to data valid 40 ns t 4 data setup to dm_clk edge 100 ns t 5 data hold from dm_clk edge 5 ns t 6 dm_clk edge to data hi-z 7 ns figure 3. uniplex digital mi crophone, mono interface gam mux dq dq > gam gam gam nid:06 d igital filter nid:05 digital f ilter hd-audio interface dm-clk generator s wap l/r on chip off -chip left right left right dm_1/2 dm_ 3 /4 dm_clk mic 1 > dq dq > > gam = gain, attenuate, mute
AD1984 rev. 0 | page 13 of 20 | january 2007 figure 4. uniplex microphone, stereo interface figure 5. uniplex microphone timing gam dq dq > gam gam gam nid:06 digital f ilter nid:05 digital f ilter hd-audio interface dm-clk generator s wap l/r on chip off -chip left right left right dm_1/2 dm_ 3 /4 dm_clk mic 1 mic 2 > dq dq > > mux gam = gain , attenuate, mute t 4 data valid t 3 t 2 t 1 t 0 dm_clk dm_1/2 dm_3/4
rev. 0 | page 14 of 20 | january 2007 AD1984 figure 6. multiplex digital microphone, stereo interface figure 7. multiplex digital microphone, quad interface gam dq dq > gam gam gam nid:06 digital filter nid :05 digital filter hd-audio interface dm-clk generator s wap l/r on chip off -chip left right left right dm_1/2 dm_ 3 /4 dm_clk mic 1 mic 2 > dq dq > > mux gam = gain , attenuate, mute gam mux gam nid:05 digital f ilter hd-audio interface dm-clk generator s wap l/r on chip off-chip left right dm_1/2 dm_ 3 /4 dm_clk mic 1 mic 2 gam gam left right nid :06 digital filter dq dq d q dq > > > > mic 3 mic 4 gam = gain, attenuate , mute
AD1984 rev. 0 | page 15 of 20 | january 2007 figure 8. multiplex microphone timing mic 2 data valid t 4 t 5 t 3 mic 1 data valid mic 1 data valid t 4 t 5 t 3 t 0 t 1 t 2 t 6 t 6 dm_clk dm_1/2 dm_3/4
rev. 0 | page 16 of 20 | january 2007 AD1984 hd audio widgets table 5. hd audio widgets node id name type id type description 00 root x root device identification 01 function x function designates this device as an audio codec 02 s/pdif dac 0 audio output s/pdif digital stream output interface 03 dac_0 0 audio output stereo headphone channel digital/audio converters 04 dac_1 0 audio output stereo front channel digital/audio converters 05 dig mic conv 1/2 1 audio input digital microphone channel 1, 2 converters 06 dig mic conv 3/4 1 audio input digital microphone channel 3, 4 converters 07 port a mixer 2 audio mixer mixes the of dac_(0, 1) and mixer output amps to drive port a 08 adc_0 1 audio input stereo record channel 0 audio/digital converters 09 adc_1 1 audio input stereo record channel 1 audio/digital converters 0a port d mixer 2 audio mixer mixes the dac_1 and mixer output amps to drive port d 0b port f mixer 2 audio mixer mixes the dac_(0, 1) and mixer output amps to drive port f 0c adc selector 0 3 audio selector selects and amplifies/attenuates the input to adc_0 0d adc selector 1 3 audio selector selects and amplifies/attenuates the input to adc_1 0e mono out selector 3 audio selector selects the mono out dac_(0, 1) 0f port f out selector 3 audio selector selects the port f dac_(0, 1) 10 digital beep 7 beep generator internal digital pcbeep signal 11 port a (headphone) 4 pin complex headphone jack pins 12 port d (line out) 4 pin complex line out jack pins 13 mono out 4 pin complex monaural output pin (internal speakers or telephony system) 14 port b (mic in) 4 pin complex microphone in jack pins 15 port c (line in) 4 pin complex line in jack pins 16 port f (aux in/out) 4 pin complex auxiliary i/o pins 17 dig mic 1/2 pin 4 pin complex digital microphone 1, 2 input pin 18 dig mic 3/4 pin 4 pin complex digital microphone 3, 4 input pin 19 mixer power down 5 power widget powers down the analog mixer and associated amps 1a analog pcbeep 4 pin complex external analog pcbeep signal input 1b s/pdif out pin 4 pin complex s/pdif output pin 1c port e (dock i/o) 4 pin complex analog dock i/o pins 1d v ref power down f vendor defined powers down the internal and external v ref circuitry 1e mono out mixer 2 audio mixer mixes the dac_(0, 1) and mixer output amps to drive mono out 1f stereo mix-down 2 audio mixer mixes the st ereo l/r channels to drive mono output 20 analog mixer 2 audio mixer mixes individually gainable analog inputs 21 mixer output atten 3 audio selector attenuates the mixer output to drive the port mixers 22 port a out selector 3 audio selector selects the port a dac_(0, 1) 23 port e out selector 3 audio selector selects the port e dac_(0, 1) 24 port e mixer 2 audio mixer mixes the dac_(0, 1) and mixer output amps to drive port e 25 port e mic boost 3 audio selector 0 db, 10 db, 20 db, or 30 db gain boost for port e 26 bias power down f vendor defined powers down th e internal mic_bias_filt and all mic_bias pins
AD1984 rev. 0 | page 17 of 20 | january 2007 AD1984 hd audio parameter table 6. root and function node parameters node id name type vendor id 00 revision id 02 sub node count 04 func. group type 05 audio f.g. caps 08 gpio caps 11 00 root root 11d41984 00100400 00010001 01 function function 00020025 00000001 00010c0c 40000003 table 7. subsystem id 1 1 the ssid value is set on codec power- up only. ssid is not reset by link or soft reset in order to preser ve modifications by bios control. 31:16 15:8 7:0 ssid sku asm id 01 function bfd4 00 00 table 8. widget parameters node id widget capabilities 09 pcm size, rate 0a stream formats 0b pin capabilities 0c input amp capabilities 0d con. list length 0e power states 0f output amp capabilities 12 01 000004c0 000e07ff 00000001 80000000 00000009 00052727 02 00030311 000e07e0 00000005 00000003 03 00000405 000e07ff 00000001 00000000 00000009 00052727 04 00000405 000e07ff 00000001 00000000 00000009 00052727 05 0010050b 000e07ff 00000001 80053627 00000001 00000009 06 0010050b 000e07ff 00000001 80053627 00000001 00000009 07 00200103 80000000 00000002 08 00100501 000e07ff 00000001 00000001 00000009 09 00100501 000e07ff 00000001 00000001 00000009 0a 00200103 80000000 00000002 0b 00200103 80000000 00000002 0c 0030010d 00000004 80053627 0d 0030010d 00000004 80053627 0e 00300101 00000002 0f 00300101 00000002 10 0070000c 00000000 800b0f0f 11 0040018d 0000001f 00000001 80000000 12 0040058d 0001001f 00000001 00000009 80000000 13 0040050c 00010010 00000001 00000009 80051f1f 14 0040008b 00003727 00270300 00000000 15 0040008b 00003727 00270300 00000000 16 0040018d 00000037 00000001 80000000 17 00400001 00000020 00000000 18 00400001 00000020 00000000 19 00500500 00000002 00000009 1a 00400000 00000020 00000000 1b 0040030d 00000010 00000001 80052727 1c 0040018d 00003737 00000001 80000000 1d 00f00100 0000000a 1e 00200103 80000000 00000002 1f 00200100 00000001 20 0020010b 80051f17 00000004 21 0030010d 00000001 80051f1f 22 00300101 00000002
rev. 0 | page 18 of 20 | january 2007 AD1984 23 00300101 00000002 24 00200103 80000000 00000002 25 0030010d 00000001 00270300 26 00f00100 00000003 table 9. connection list node id connections 0123456789 [0C3] [4C7] [8C11] inid inid inid inid inid inid inid inidinid inid 02 00090801 01 08 i 09 03 04 05 00000017 17 06 00000018 18 07 00002122 03 21 08 0000000c 0c 09 0000000d 0d 0a 00002104 04 21 0b 0000210f 0f 21 0c 25209614 1 14 16 20 25 0d 25209614 1 14 16 20 25 0e 00000403 03 04 0f 00000403 03 04 10 11 00000007 07 12 0000000a 0a 13 0000001f 1f 14 15 16 0000000b 0b 17 18 19 00002120 20 21 1a 1b 00000002 02 1c 00000024 24 1d 8f0a1907 96111c1a 0000a61e 07 19 0a 1 0f 1a 1c 11 1 16 1e 1 26 1e 0000210e 0e 21 1f 0000001e 1e 20 251a9614 1 14 16 1a 25 21 00000020 20 22 00000403 03 04 23 00000403 03 04 24 00002123 23 21 25 0000001c 26 26 001c1514 14 15 table 8. widget para meters (continued) node id widget capabilities 09 pcm size, rate 0a stream formats 0b pin capabilities 0c input amp capabilities 0d con. list length 0e power states 0f output amp capabilities 12
AD1984 rev. 0 | page 19 of 20 | january 2007 in table 10 , default configuration va lues are set on codec power-up only. default configur ation values are not reset by link or soft reset to preserve mo difications by bios control. bits 11:9 are reserved. table 10. default configuration bytes 31:30 29:28 27:24 23:20 19:16 15:12 8 7:4 3:0 connectivity location def. device conn type color def assn. seq. id name value chasis position jd or 11 port a 0321401f jack external left hp out 1/8" jack green 0 1 f 12 port d 90130110 fixed internal n/a speaker atapi unknown 1 1 0 13 mono out 901301f0 fixed internal n/a speaker atapi unknown 1 f 0 14 port b 03a190f0 jack external left mic in 1/8" jack pink 0 f 0 15 port c 96a30120 fixed internal bottom mic in atapi unknown 1 2 0 16 port f 99330121 fixed internal special 3 cd atapi unknown 1 2 1 17 dig mic 1/2 pin 95a601f0 fixed internal top mic in other digital unknown 1 f 0 18 dig mic 3/4 pin 95a601f0 fixed internal top mic in other digital unknown 1 f 0 1a analog pcbeep 90f301f0 fixed internal n/a other atapi unknown 1 f 0 1b s/pdif out pin 014511f0 jack exter nal rear spdif out optical black 1 f 0 1c port e 21a1902e jack separate rear mic in 1/8" jack pink 0 2 e
rev. 0 | page 20 of 20 | january 2007 AD1984 ? 2007 analog devices, inc. all rights reserved. trademarks and registered trademarks are the property of their respective owners. d06535-0-1/07(0) outline dimensions dimensions are shown in millimeters. ordering guide figure 9. 48-lead, pb-free, frame chip scale package [lfcsp_vq] 7 mm x 7 mm body, very thin quad (cp-48-1) model temperature range package description package option AD1984jcpz 1 1 z = pb-free part. 0c to 70c 48-lead lfcsp_vq cp-48-1 AD1984jcpz-reel 1 0c to 70c 48-lead lfcsp_vq cp-48-1 pin 1 indicator top view 6.75 bsc sq 7.00 bsc sq 1 48 12 13 37 36 24 25 5.25 5.10 sq 4.95 0.50 0.40 0.30 0.30 0.23 0.18 0.50 bsc 12 max 0.20 ref 0.80 max 0.65 typ 1.00 0.85 0.80 5.50 ref 0.05 max 0.02 nom 0.60 max 0.60 max pin 1 indicator coplanarity 0.08 seating plane 0.25 min exposed pad (bottom view) compliant to jedec standards mo-220-vkkd-2

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