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STV2162
2H - VIDEO SCANNING PROCESSOR
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VIDEO PART USER CONTROL FUNCTIONS : CONTRAST, BRIGHTNESS, SATURATION, COLOR EQUALIZER RGB INPUT WITH FAST-BLANKING FOR ON-SCREEN-DISPLAY / TELETEXT FAST BLANKING INPUT FOR CONTRAST REDUCTION (TRANSPARENT MENU BOX) AVERAGE BEAM LIMITER FUNCTION WITH CONTRAST AND BRIGHTNESS REDUCTION PAL/SECAM OR NTSC MATRIX SWITCHABLE BY BUS AUTOMATIC CUT-OFF LOOP WITH INTEGRATED DIGITAL MEMORY AND LEAKAGE CURRENT COMPENSATION FULL WHITE ADJUSTMENT VIA BUS BUS REPLY FOR TUBE COLD INFORMATION AND CUT-OFF COUNTER STATUS APX (AUTO PIX) : ADAPTIVE CONTRAST CONTROL COLOR MATCHING (IN CONNECTION WITH WHITE STRETCH) APL (AUTO PEDESTAL) = ADAPTIVE BRIGHTNESS WHITE STRETCH VERTICAL AND OVERSIZE BLANKING ACCORDING TO ALL ZOOMS INDEPENDENT RIGHT AND LEFT ADJUSTMENT OF HORIZONTAL OVERSIZE BLANKING SCANNING PART INTERNAL OR EXTERNAL 27MHz CLOCK VERTICAL SYNCHRONISATION OUTPUT FOR VIDEO TEXT AND OSD DISPLAY PHI2 LOOP WITH INTERNAL LOOP FILTER PULSE OUTPUT FOR DRIVING HORIZONTAL OUTPUT STAGE VERTICAL COUNTDOWN CIRCUIT FOR CLEAN VERTICAL DEFLECTION INTEGRATED VERTICAL SAWTOOTH GENERATOR WITH AMPLITUDE CONTROL LOOP VERTICAL AND HORIZONTAL BUS ADJUSTABLE SIZE CORRECTION (BREATHING) TO ADAPT DEFLECTION SENSITIVITY TO THE CURRENT BEAM
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PRODUCT PREVIEW
BUS ADJUSTED VERTICAL PARAMETERS: VERTICAL AMPLITUDE, VERTICAL POSITION AND S-CORRECTION PANNING FOR VERTICAL DEFLECTION BUS CONTROLLED EAST-WEST FUNCTION GENERATOR WITH INTEGRATED ERROR AMPLIFIER VARIABLE FIX-POINTS FOR S-CORRECTION VERTICAL BLANKING AND EAST-WEST CORNER CORRECTION SUPER SANDCASTLE OUTPUT VERTICAL POWER SAVE MODE
SMPS PART SMPS PULSE-WIDTH MODULATOR WITH BUS CONTROLLED REFERENCE VOLTAGE SOFTSTART FOR SMPS MODULATOR, EVEN IN CASE OF MISSING HORIZONTAL CLOCK (27MHz) SOFTSTART FOR HORIZONTAL OUTPUT STAGE SMOOTH TRANSITION FROM SOFTSTART TO NORMAL MODE GENERAL STANDBY MODE CONTROL PROTECTION CIRCUIT FOR OVERLOAD DETECTION (SHORT CIRCUITS) AND CONTROL OF SMPS MODULATOR BUS REPLY FOR OVERLOAD DESCRIPTION
The STV2162 is an I2C bus controlled Video and Deflexion Processor for 2H-Deflection Television Sets. The IC incorporates also an secondary SMPS (Switch Mode Power Supply) controller with Softstart and Protection facilities.
SHRINK56 (Plastic Package) ORDER CODE : STV2162
January 1997
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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STV2162
PIN CONNECTIONS
WHITE STRETCH CAPACITOR U INPUT V INPUT Y INPUT APL CONTROL VERTICAL SYNC INPUT HORIZONTAL SYNC INPUT 27MHz CLOCK NOT CONNECTED GROUND COLOR MATCHING VCC NOT CONNECTED WS UIN VIN YIN APL VDFL HDFL LDFL NC GNDLIN COLM VCCLIN NC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 YOUT RES55 RES54 Y NC CONVAR FBTXT APX BTXT GTXT RTXT GNDVID VCCVID ICUTOFF ROUT GOUT BOUT VABL HDRIVE Y OUTPUT OF WHITE STRETCH RESERVED RESERVED Y INPUT VIDEO OF MAIN SIGNAL NOT CONNECTED CONTRAST VARIATION (FOR TRANSPARENT MENU) FAST BLANKING INPUT FOR TEXT/OSD AUTO PIX CAPACITOR BLUE INPUT TEXT/OSD GREEN INPUT TEXT/OSD RED INPUT TEXT/OSD GROUND FOR VIDEO PART VCC FOR VIDEO PART CUT-OFF AND LEAKAGE MEASUREMENT RED OUTPUT GREEN OUTPUT BLUE OUTPUT AVERAGE BEAM LIMITER INPUT OUTPUT FOR HORIZONTAL DRIVER
BLUE CUT-OFF REFERENCE BCUTREF GREEN CUT-OFF REFERENCE GCUTREF RED CUT-OFF REFERENCE RCUTREF SOFSTART CAPACITOR SERIAL CLOCK (I2C BUS) SERIAL DATA (I C BUS)
2
CSOFT SCL SDA V5V SLPF VCC1 IREF REG FROUT SENSEP SENSEM BREATH
5V STANDBY (SHUNT REGULATOR) LOOP 1 LOW PASS FILTER VCC FOR SCANNING PART REFERENCE RESISTOR FOR CURRENT REGULATOR OUTPUT VERTICAL SAWTOOTH ERROR OUTPUT RESISTOR BRIDGE POSITIVE INPUT RESISTOR BRIDGE NEGATIVE INPUT THT MODULATION AND PROTECTION
SMPSOUT PWM OUTPUT FOR SMPS TXT_OUT SSC GND1 HFLY EWOUT SMPSIN EWIN CVERT SYNC OUTPUT FOR TELETEXT/OSD SSC SUPER SANDCASTLE OUTPUT GROUND FOR SCANNING PART HORIZONTAL FLYBACK INTERFACE EAST/WEST OUTPUT VOLTAGE INPUT FOR SMPS ERROR AMPLIFIER
2162-01.EPS 2162-01.TBL
EAST/WEST INPUT OF ERROR AMPLIFIER VERTICAL AGC CAPACITOR
PIN DESCRIPTION
Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2/14 Name WS UIN VIN YIN APL VDFL HDFL LDFL NC GNDLIN COLM VCCLIN NC BCUTREF GCUTREF Function Time Constant Input Input Input Time Constant Input Input Input Reserved Power supply Control Power supply Reference Reference Description, Test Conditions, Remark White stretch time constant adjustment. External capacitor, internal 200k resistor. B-Y signal, AC coupling R-Y signal, AC coupling Luminance before white stretch, AC coupling Auto Pedestal (APL) time constant. External capacitor, internal 200k resistor Vertical synchro Horizontal synchro 27MHz Line Clock Not connected Ground for Scanning Logic Color Matching strength. This pin must be grounded through a resistor . Resistor value determines Color Matching effect : 0 (short Circuit) = no effect, 44k = maximal Colormatching. VCC for Scanning Logic Not Connected Clamping B. Capacitor 47nF against Ground : cut-off Black Reference. Clamping G. Capacitor 47nF against Ground : cut-off Black Reference.
STV2162
PIN DESCRIPTION (continued)
Pin 16 17 18 19 20 21 22 23 24 25 26 27 28 Name RCUTREF CSOFT SCL SDA V5V SLPF VCC1 IREF REG FROUT SENSEP SENSEM BREATH Function Reference Time Constant Input Input Power supply Time Constant Power supply Current Reference Output Output Input Input Input Description, Test Conditions, Remark Clamping R. Capacitor 47nF against Ground : cut-off Black Reference. Capacitor for softstart, value determines softstart time (typ. 220F). Serial Clock for I2C bus Serial Data for I2C bus (pull down - capability for acknowledge and data reply) Voltage supply for standby biasing, voltage is regulated via internal shunt regulator Loop filter for horizontal VCO Supply voltage for Scanning part, connected with external series regulator transistor. External programming resistor 1% metal type (25k against VCC1). Determines the horizontal free running frequency. Output for controlling the external regulator transistor Output of transconductance Frame Amplifier, pin has to be connected to the inverting input of the vertical power amplifier. Input of internal resistor bridge for sensing the vertical deflection yoke current Input of Internal resistor bridge for sensing the vertical deflection yoke current Two functions : - if input voltage >1.5V, Vertical size (V_BREATING) and Horizontal width (H_BREATING) compensation. - if pin pulled down by external transistor : protection activated. Regulation of vertical sawtooth amplitude Input of the error-amplifier for the East-West modulator Input for the secondary Switch Mode Power Supply pulse width modulator Output of the error amplifier for the East-West modulator (current output, biasing directly the darlington output transistor Horizontal Flyback Input Ground for all scanning functions Super sandcastle output from the scanning processor part. Composite 2H synchro for Teletext, OSD, ... Output for SMPS driver transistor Open collector output for the horizontal line transistor Voltage input for the Average Beam Limiter function Video output blue channel Video output green channel Video output red channel Input for the leakage and cut-off current measurement Voltage supply for the video part Ground for video Input for red channel of TEXT/OSD Input for green channel of TEXT/OSD Input for blue channel of TEXT/OSD External capacitor and resistor to determine the attack and delay time of the APX detector Fast Blanking input for TXT/OSD insertion (VFBTXT = 0 . . 3 V) Voltage at this Input decreases instantaneously the Contrast : Contrast-reduction for transparent Menu box Not connected Video input Y channel Must be grounded Must be grounded Luminance output after white stretch. (Application : connect YOUT with Y (Video Part) via capacitor of 47nF.)
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
CVERT EWIN SMPSIN EWOUT HFLY GND1 SSCOUT TXTOUT SMPSOUT HDRIVE VABL BOUT GOUT ROUT ICUTOFF VCCVID GNDVID RTXT GTXT BTXT APX FBTXT CONVAR NC Y RES54 RES55 YOUT
Reference Input Input Output Input Power supply Output Output Output Output Input Output Output Output Input Power supply Power supply Input Input Input Time constant Input Input Reserved Input Reserved Reserved Luma Output Signal
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2162-01.TBL
RGB DRIVE
White Stretch YIN COLOR EQUALIZER Bus Video Switch
RGB LIMITER
RGB MATRIX
4/14
UIN VIN YIN R G B FB
BLOCK DIAGRAM
STV2162
WHITE STRETCH
LUMA AVERAGE DETECTOR RGB CLAMPING AND DE-MATRIX SWITCH LOGIC
AUTO CONTRAST
AUTO PIEDESTAL Bus Bus ROUT GOUT BOUT
CONTRAST SATURATION BRIGHTNESS Bus
Bus White Stretch Control Function SDA SCL I C BUS AND LATCHES
2
Bus Bus
CUT-OFF MEASUREMENT
ICUTOFF VABL
VIDEO PROCESSOR
AVERAGE BEAM CURRENT LIMITER Bus
DEFLECTION PROCESSOR
VDFL HDFL LDFL START-UP LOGIC Bus 2H-SANDCASTLE GENERATOR VOLTAGE AND CURRENT REFERENCE TIME BASE PHI2 LOOP 1 LOOP
VERTICAL LOGIC Bus
VERTICAL SAWTOOTH S-CORRECTION & VERTICAL BREATHING
CVERT SENSM SENSP FROUT BREATHING
Bus HORIZONTAL FLYBACK INTERFACE
PROTECTION
SOFT-START
SMPS
EAST-WEST CORRECTION
EWIN EWOUT
SSC
STV2162
IREF VREF SYNCHRO FOR TXT OUT HFLY HDRIVE CSOFT SMPS IN SMPS OUT
2162-02.EPS
STV2162
ABSOLUTE MAXIMUM RATINGS
Symbol V5V SCL,SDA VCCLIN, VCCVID, VCC1 VSENSP, VSENSM Toper Tstg Parameter Own Protection structure (Power-Zener-Protection-Diode) (Pin 20) Protection Structures connected to V5V (each of this pin has an own Power-Zener-Protection Diode) (Pins 18-19) Voltage regulated via ext.Transistor (Pins 12-22-44) Value 6 7 8.4V Unit V V
Voltage on Pins 26-27 Operating Ambient Temperature Storage Temperature
18 0, 70 -55 , +150
V
o o
C C
THERMAL DATA
Symbol Rth (j-a) Parameter Junction-ambient Thermal Resistance Max. Value 40 Unit
o
C/W
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2162-03.TBL
2162-02.TBL
STV2162
BUS DESCRIPTION 1 - Slave-Address Address : hex 8C/8D
MSB 1 0 0 0 1 1 0 LSB Read-Write
2 - Address-Mapping (write mode) x = don't care-bits, not used in the decoding of the subaddress.
Subaddress (binary) dec hex MSB xxx00000 0 00 xxx00001 1 01 S_CORR_3 xxx00010 2 02 S_CORR_1 xxx00011 3 03 MPX_3 xxx00100 4 04 MPX_1 xxx00101 5 05 xxx00110 6 06 AUTO_VCR xxx00111 7 07 TST_V1 xxx01000 8 08 xxx01001 9 09 xxx01010 10 0A VPAN_1 xxx01011 11 0B xxx01100 12 0C xxx01101 13 0D VSTART_4 xxx01110 14 0E VSTART_1 xxx01111 15 0F NTSC_PAL xxx10000 16 10 EWS12 xxx10001 17 11 STOP_C_VAR xxx10010 xxx10011 xxx10100 xxx10101 xxx10110 xxx10111 18 19 20 21 22 23 12 13 14 15 16 17 Data Bits LSB VID_ACT S_CORR_2 S_CORR_0 MPX_2 MPX_0 FSCK FORCE_VCR TST_V0 S_ON H_VCO S_VOLTAGE EW_SHAPE EW_AMPLITUDE HPOS_4 HPOS_3 HPOS_2 HPOS_1 HPOS_0 EW_TILT H_WIDTH V_DC V_AMPLITUDE H_RIGHT_BLANKING H_LEFT_BLANKING
HPOS_5
VPAN_2 VPAN_0 APL_LEVEL H_BREATHING V_BREATHING VSTART_3 VSTART_2 CEQU_4 CEQU_3 CEQU_2 CEQU_1 CEQU_0 VSTART_0 WS_THRESHOLD WS_ON CONTRAST ENVPS BRIGHTNESS DRV_GAIN SATURATION APX_THRESHOLD R_CUTOFF G_CUTOFF R_DRIVE G_DRIVE B_DRIVE
RGB_LIM V_CORR_3 V_CORR_2 V_CORR_1 V_CORR_0 RES_CUT FUF VID_OFF DIS_CUT SSC_TRI FORCE_ MUTE
Subaddress 0 (hex 00)
MSB X X VID_ACT S_ON H3 H2 H1 LSB H0
VID_ACT : Video Processor Activation Switch to activate Video processor 0 : Startup phase : Video output (R,G,B_OUT) hard blanked (0.9V) , no cut-off insertion lines 1 : RGB outputs active S_ON : TV Mode Selection Switch to change from standby mode to operation mode 0 : Standby operation : I2C bus active ; Protection logic active ; Pin REG pulled down to ground 1 : TV set = ON : VCC regulator active : Horizontal Free Running Frequency H_VCO 0000 (hex 0) minimal free running frequency 1111 (hex F) maximum free running frequency
H[3..0]
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STV2162
BUS DESCRIPTION (continued) Subaddress 1 (hex 01) & System-Voltage MSB S_CORR_3 S_CORR_2 S5 S4 S3 S2 S1 LSB S0
S_CORR_3, : S_Correction (2 MSB) (see subaddress 2) S_CORR_2 S[5..0] : System Voltage Adjustment (S_VOLTAGE) S_VOLTAGE 000000 (hex 00) minimal position : System voltage minimal 111111 (hex 3F) maximal position : System voltage maximal
Subaddress 2 (hex 02)
MSB S_CORR_1 E5 E4 E3 E2 E1 LSB E0
S_CORR_1, : S_Correction (2 LSB) S_CORR_0 S_CORRECTION 0000 (hex 0) minimal S_Correction (vertical sawtooth flat) 1111 (hex F) maximal S_Correction E[5..0] : EW_Shape (corner correction) EW_SHAPE 000000 (hex 0) minimal parabola flattening (ideal parabola) 111111 (hex 3F) maximal parabola flattening (flattened corners of parabola) Subaddress 3 (hex 03)
MSB 0 0 E5 E4 E3 E2 E1 LSB E0
E[5..0]
: EW-Amplitude EW_AMPLITUDE 000000 (hex 00) minimal Parabola-Amplitude = 0V (=no Parabola) 111111 (hex 3F) maximal Parabola-Amplitude = 0.7V
Subaddress 4 (hex 04)
MSB 0 0 H5 H4 H3 H2 H1 LSB H0
H[5..0]
: Horizontal Picture Position (left-right-shift) H_POSITION : fine tuning of reference slope H_POSITION 000000 (hex 00) minimal position : rising edge of HDFL in the middle of HFLY. 100000 (hex 20) nominal position 111111 (hex 3F) maximal position : rising edge of HDFL 4.7s before middle of HFLY.
7/14
STV2162
BUS DESCRIPTION (continued) Subaddress 5 (hex 05) East-West - Tilt (Unsymmetry):
MSB FSCK E5 E4 E3 E2 E1 LSB E0
FSCK
E[5..0]
: Selector for free run horizontal frequency (start) of 27MHz clock operation 0 : Normal operation = external 27MHz Clock (LDFL) used to control horizontal deflection after the softstart operation and video identification (VIDID=1) 1 : Internal clock : East/West Tilt (unsymmetry) EW_TILT 000000 (hex 00) minimal position : parabola unsymmetrical, (higher on the top of the picture) 100000 (hex 20) nominal position : parabola symmetrical 111111 (hex 3F) maximal position : parabola unsymmetrical, (lower on the top of the picture)
Subaddress 6 (hex 06)
MSB AUTO_VCR FORCE_VCR H5 H4 H3 H2 H1 LSB H0
AUTO_VCR / FORCE_VCR : VCR Mode Selection
TV-Mode PHI1 loop forced to NOVCR mode (TV operation) VCR trick mode automatically detected and VCR mode forced (Trick mode = not 312.5 lines per frame in 100Hz mode ; not 265.5 lines per frame in 120Hz mode ) Phi1 loop forced to VCR mode Test mode for vertical countdown logic test ( only IC testing) FORCE_VCR 0 0 1 1 AUTO_VCR 0 1 0 1
H[5..0]
: H_WIDTH (picture width controlled by the East/West modulator) H_WIDTH 000000 (hex 00) minimal picture size 111111 (hex 3F) maximal picture size
Subaddress 7 (hex 07)
MSB 0 0 V5 V4 V3 V2 V1 LSB V0
V[5..0] : Vertical Position (vertical DC shift) V_DC 000000 (hex 00) picture shifted down 111111 (hex 3F) picture shifted up Subaddress 8 (hex 08)
MSB X V6 V5 V4 V3 V2 V1 LSB V0
V[6..0]
: Vertical Sawtooth Amplitude V_AMPLITUDE 0000000 (hex 00) 1111111 (hex 7F)
minimal amplitude (0.65VPP (between270 lines) on SENSP/SENSM)* maximal amplitude (1.73VPP (between270 lines) on SENSP/SENSM)*
* : With no vertical power safe function.
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STV2162
BUS DESCRIPTION (continued) Subaddress 9 (hex 09)
MSB VPAN_2 X H4 H3 H2 H1 LSB H0
VPAN_2 H[4..0]
: Vertical Panning (1 MSB) (see subaddress 10)
: Horizontal Blanking on right picture side (reference slope : middle of HFLY) H_RIGHT_BLANKING 00000 (hex 0) minimal horizontal oversize blanking (-2s) 11111 (hex 1F) maximum horizontal oversize blanking (-6.74s on right side) Stepsize ~ 0.15s Subaddress 10 (hex 0A)
MSB VPAN_1 X H4 H3 H2 H1 LSB H0
: Vertical Panning (2 LSB) VPAN 000 (hex 0) no vertical panning (no vertical deflection delay) 111 (hex 7) maximum vertical panning = 30 lines delay of vertical deflection Stepsize : 4 lines delay H[4..0] : Horizontal Blanking on left picture side H_LEFT_BLANKING 00000 (hex 00) minimal horizontal oversize blanking (+2s) 11111 (hex 1F) maximum horizontal oversize blanking (+6.74s on left side) Stepsize ~ 0.15s Subaddress 11 (hex 0B)
MSB A3 A2 A1 A0 V3 V2 V1 LSB V0
VPAN_1, VPAN_0
A[3..0]
: Auto Pedestal Level "APL_LEVEL" ( adaptive brightness) APL_LEVEL 0000 (hex 0) minimal value = no influence = 0 IRE 1111 (hex F) maximal value = maximum brightness increase (20 IRE when luma averagevalue 100 IRE) : Vertical Blanking (also changes vertical fix points for S_Correction and East/West parabola) V_BLANKING 0000 (hex 00) minimal value of fix points and vertical blanking (0.52V on SENSM/SENSP) 1111 (hex 0F) maximal value of fix points and vertical blanking (0.6V on SENSM/SENSP)
V[3..0]
Subaddress 12 (hex 0C)
MSB H3 H2 H1 H0 V3 V2 V1 LSB V0
H[3..0]
: Horizontal Breathing H_BREATHING 0000 (hex 0) 1111 (hex F) : Vertical Breathing V_BREATHING 0000 (hex 0) 1111 (hex F)
minimal Horizontal Breathing (0%) maximal Horizontal Breathing (10%) minimal Vertical Breathing (0%) maximal Vertical Breathing (10%)
V[3..0]
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STV2162
BUS DESCRIPTION (continued) Subaddress 13 (hex 0D)
MSB VSTART_4 VSTART_3 VSTART_2 C4 C3 C2 C1 LSB C0
VSTART_4, : Vertical Ramp Start Panning (3MSB) (see subaddress 14) VSTART_3, VSTART_2 C[4..0] : Color Equalizer (differential gain between UIN- and VIN- channel) COLOR_EQUALIZER 00000 (hex 00) minimal position : max. gain for UIN, min. gain for VIN 10000 (hex 10) nominal position : same gain for UIN and VIN 11111 (hex 1F) maximal position : min. gain for UIN, max. gain for VIN Subaddress 14 (hex 0E)
MSB VSTART_1 VSTART_0 W5 W4 W3 W2 W1 LSB W0
VSTART_1, : Vertical Ramp Start (2 LSB) VSTART_0 VSTART 00000 (hex 0) 11111 (hex 1F) W[5..0] : White Stretch Threshold WS_THRESHOLD 000000 (hex 00) 111111 (hex 3F) Subaddress 15 (hex 0F)
MSB NTSC_PAL WS_ON C5 C4
vertical ramp start at line 0 vertical ramp start at line 64 minimal position : threshold value = 5 IRE maximal position : threshold value = 40 IRE
LSB C3 C2 C1 C0
NTSC_PAL : RGB Matrix Selection 0 : RGB matrix uses the PAL/SECAM - Coefficients for the Conversion YUV -> RGB 1 : RGB matrix uses the NTSC - Coefficients for the Conversion YUV -> RGB
Note : The input-dematrix for RGBTXT is always "PAL/SECAM" dematrix !! i.e. at the NTSC-mode the colors are correct only for YUV-input.
WS_ON
C[5..0]
: White Stretch Selection 0 : White Stretch is switched off 1 : White Stretch is actived : Contrast Adjustment CONTRAST 000000 (hex 00) minimal position : smalles contrast level = 20% of maximal contrast 111111 (hex 3F) maximal position : maximal contrast
Subaddress 16 (hex 10)
MSB EWS12 ENVPS B5 B4 B3 B2 B1 LSB B0
EWS12 : Selection of Parabole Corner Type ENVPS : Vertical Power Safe Selection 0 : vertical power safe function not active 1 : vertical power safe function active B[5..0] : Brightness BRIGHTNESS 000000 (hex 00) minimal position : brightness = -30 IRE 100000 (hex 20) nominal position : brightness = 0 111111 (hex 3F) maximal position : brightness = +30 IRE
10/14
STV2162
BUS DESCRIPTION (continued) Subaddress 17 (hex 11)
MSB STOP_C_VAR DRV_GAIN S5 S4 S3 S2 S1 LSB S0
STOP_C_VAR : Contrast Variation with TXT insertion with this bit, the user saturation and contrast setting will be partially removed i.e. moved toward contrast = max., saturation = 100% (middle) for TXT/OSD insertion (RTXT, GTXT, BTXT)) 0 : TXT/OSD insertion : same contrast as main channel 1 : TXT/OSD insertion (FBTXT=1) toward max. contrast and mid. saturation DRV_GAIN : Selection of gain range (changes the range of the gain adjustement drive) 0 : maximum gain = 4.6 1 : maximum gain = 6.5 : Color Saturation Adjustment SATURATION 000000 (hex 00) minimal position = completely suppressed colors 111111 (hex 3F) maximal position : maximal saturation (3dB oversaturation)
S[5..0]
Subaddress 18 (hex 12)
MSB RGBLIM1 RGBLIM0 A5 A4 A3 A2 A1 LSB A0
RGBLIM[1..0] : RGB Hard Limiter Voltage limitation of R,G,B at the output of the matrix , just before drive adjustment RGB_LIM 00 (hex 0) limitation at 100 IRE 11 (hex 3) limitation at 150IRE A[5..0] : Auto Pix (APX) Threshold Voltage APX_THRESHOLD 000000 (hex 00) minimal position : threshold value = 50 IRE 111111 (hex 3F) maximal position : threshold value = 100 IRE
Subaddress 19 (hex 13)
MSB V_CORR_3 V_CORR_2 R5 R4 R3 R2 R1 LSB R0
V_CORR_3, : Vertical Corner Point of EW Shape (2 MSB) (see subaddress 20) V_CORR_2 R[5..0] : Red Cut-off Adjustment (Blue is fixed value of 0.45V at BOUT) R_CUTOFF 000000 (hex 00) insertion of 0.675V at ROUT for red measurement pulse 111111 (hex 3F) insertion of 0.225V at ROUT for red measurement pulse
Subaddress 20 (hex 14)
MSB V_CORR_1 V_CORR_0 G5 G4 G3 G2 G1 LSB G0
V_CORR_1, : Corner Point of EW-Shape (2 LSB) V_CORR_0 V_CORNER 0000 (hex 0) corner point of EW shape @ 60% of fix point 1111 (hex F) corner point of EW shape @ 80% of fix point G[5..0] : Green Cut-off Adjustment (Blue is fixed value of 0.45V at BOUT) G_CUTOFF 000000 (hex 00) insertion of 0.675V at GOUT for green measurement pulse 111111 (hex 3F) insertion of 0.225V at GOUT for green measurement pulse
11/14
STV2162
BUS DESCRIPTION (continued) Subaddress 21 (hex 15)
MSB RES_CUT FUF D5 D4 D3 D2 D1 LSB D0
RES_CUT : Reset of Cut-off Counters and TUBE_COLD bit ; at the same time : stop of cut-off function 0 : cut-off loop active 1 : cut-off loop stopped and Reset of all cut-off counters and TUBE_COLD bit FUF : Full Frame Mode (selects cut-off loop operation modus) 0 : cut-off loop is active during the whole frame (adjustment of VG2 on the CRT board in production) 1 : cut-off loop is active during the first 4 active Video lines : normal mode D[5..0] : Drive Register for Red Channel (gain adjustement of the red driver output stage) R_DRIVE 000000 hex 00) minimal position : 0.33 of maximal value 111111 (hex 3F) maximal position : 3.2VPP at ROUT for contrast = max., DRV_GAIN=1 and Y=70 IRE; or DRV_GAIN=0 and Y = 100 IRE Subaddress 22 (hex 16)
MSB VID_OFF DIS_CUT D5 D4 D3 D2 D1 LSB D0
VID_OFF : Hard Blanking of Video Output 0 : normal operation 1 : ROUT, GOUT, BOUT is hard blanked, while the cut-off measurement is still active. DIS_CUT : Disable of Cut-off Loop 0 : Cut-off loop is active. 1 : Cut-off loop is stopped, actual values in the registers are frozen. Truth - Table for DIS_CUT / FUF
Operation Mode Video signal present at RGBOUT ; 3 cut-off measurement lines in the lines 21,22,23 Cut-off measurement during the whole frame with the sequence --> Leakage - Blue, green, red (repetitive each 4th line) Video signal present at RGBOUT but no cut-off measurement (last values of cut-off counter frozen) All Outputs ROUT, GOUT, BOUT hard blanked all the time ; no video ; no cut-off measurement (useful when TV is switched off --> immediate stop of video output) DIS_CUT 0 0 1 1 FUF 0 1 0 1
D[5..0]
: Green Drive Register (gain adjustement of the GREEN driver outputstage) G_DRIVE 000000 (hex 00) minimal position : 0.33 of maximal value 111111 (hex 3F) maximal position : 3.2 VPP at GOUT for contrast = max., DRV_GAIN=1 and Y=70 IRE; or DRV_GAIN=0 and Y=100 IRE
LSB FORCE_MUTE D5 D4 D3 D2 D1 D0
Subaddress 23 (hex 17)
MSB SSC_TRI
SSC_TRI
: Mode switch for super sandcastle output (only useful in test mode) 0 : SSC Pin delivers super sandcastle output 1 : Super sandcastle output disabled ; Pin SSC can serve as input for PSI and video part FORCE_MUTE : Test mode for accelerating the test of the PHI1 mute circuit 0 : normal operation ; TV application 1 : PHI1 circuit set to mute ; 1 forced to free run mode D[5..0] : Blue Drive Register (gain adjustement of the blue driver output stage) B_DRIVE 000000 (hex 00) minimal position : 0.33 of maximal value 111111 (hex 3F) maximal position : 3.2 VPP at BOUT for contrast = max., DRV_GAIN=1 and Y=70 IRE ; or DRV_GAIN=0 and Y=100 IRE
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STV2162
BUS DESCRIPTION (continued) 3 - Output Signals (Read-Mode)
Reply Byte 1st 2nd 3rd 4th 5th MSB PONRESET OVERLOAD VIDID S120/100 VSTD TUBECOLD PHI1MUTE LSB SYNCVID
LSB_R_CUT LSB_G_CUT LSB_B_CUT
VERS _NBR R_CUTOFF_COUNTER G_CUTOFF_COUNTER B_CUTOFF_COUNTER
VERS _EXT
: 1 if voltage drop on V5V (< 4.5V) has been detected (risk of data loss in latch memory) OVERLOAD : 1 if after 3 restart trials TV set is switched off definitely since breathing pin was pulled down due to an error (reset to 0 can be done by switching off the TV set (S_ON = 0 ; see Subaddress 0) VIDID : 1 if Start-Oscillator PHI1 islocked to HDFL pulse after 7 francs 0 if not S120/100 : 1 if vertical sync pulse frequency = 120Hz 0 if vertical sync pulse frequency = 100Hz VSTD : 1 if line-numbers per frame are interlace standard : exactely 312.5 (100Hz) or 262.5 (120Hz) 0 if line-numbers per frame are different from this standard -> VCR trick mode recognition TUBECOLD : 1 after start of TV set 0 if the first time one of the cut-off counters is decremented ( tube starts to deliver beam current) PHI1MUTE : 1 if PHI1 loop is in mute mode ( no valid HDFL detected ) ; SLPF connected to a fix voltage SYNCVID : 1 if Start oscillator PHI1 is in phase to HDFL pulse 0 if not VERS_NBR : Version number VERS_EXT : Version extention LSB_R_CUT : LSB of 9 bit red cut-off counter LSB_G_CUT : LSB of 9 bit green cut-off counter LSB_B_CUT : LSB of 9 bit blue cut-off counter R_CUTOFF_COUNTER : Returns the 8 MSB of the 9 bitred cut-off counter G_CUTOFF_COUNTER : Returns the 8 MSB of the 9 bit green cut-off counter B_CUTOFF_COUNTER : Returns the 8 MSB of the 9 bit blue cut-off counter
PONRESET
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STV2162
PACKAGE MECHANICAL DATA 56 PINS - PLASTIC SHRINK DIP
Dimensions A A1 B B1 C D D1 E E1 K1 K2 L e1 N
Min. 0.51 0.35 0.75 0.20 -
Millimeters Typ.
Max. 5.08 0.59 1.42 0.36
Min. 0.020 0.014 0.030 0.008 -
Inches Typ.
Max. 0.200 0.023 0.056 0.014
52.12 - 13.72 - - 1.78
- 18.54 - - 3.81
2.052 -
- - 2.54
- - .100
- - 0.070
- 0.730 0.540 - - 0.150
SDIP56.TBL
Number of Pins 56
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics. (c) 1997 SGS-THOMSON Microelectronics - All Rights Reserved Purchase of I2C Components of SGS-THOMSON Microelectronics, conveys a license under the Philips I2C Patent. Rights to use these components in a I2C system, is granted provided that the system conforms to the I2C Standard Specifications as defined by Philips. SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A.
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PMSDIP56.EPS

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