TB1261F/TB1262F TOSHIBA BiCMOS INTEGRATED CIRCUIT, SILICON MONOLITHIC TB1261F/TB1262F PAL/NTSC/SECAM 1CHIP (IF + VCD PROCESSOR) The TB1261F/TB1262F are TV signal processor ICs, which contains PIF, SIF, Video, Chroma and Deflection blocks. They can be applied for worldwide Multi system TV sets. The flexibility of this TB1261F/TB1262F contributes to reduce development costs and components in a TV set. FEATURES * IF * * * * * * * * Video * * * * * * Chroma trap Y delay line Black stretch Y-gamma Pre/over shoot control VM signal output * Sync./ DEF * * HVCO integrated V saw tooth single output EW output available for flat wide TV Integrated PIF VCO, aligned automatically. Inter/ split carrier input SIF BPF built-in SIF Trap filter built in Tank-less SIF demodulator Neg/pos demodulation PIF line up * AM sound demodulation line up * * RGB * * * Analog RGB interface Half-tone and transparent for OSD RGB cut-off/ drive controls by bus ABCL (ABL and ACL combined) * Chroma * * * * * PAL/ NTSC/ SECAM demodulation with 1Xtal and Built in 1HDL system External YCbCr in/out Interface Base band TINT SCART RGB interface * *; TB1262F only 2002-6-30 1 / 66 1, Block diagram TB1261F/62F BLOCK DIAGRAM Sync out H.AFC DC Restor BLACK Det IF DET OUT Cb3 in Cr3 in Y3/CVBS3 in Cr out Cb out Y/MON out Ys(YCbCr) Cb2/B in Cr2/R in Y2/CVBS2/G in Y/CVBS 1 in AU TV mon OUT DE-EMP. 65 Y1 Proc. SIF c-trap Y delay Y/C YCbCr2 YCbCr3 DC NF 73 Chroma PAL/ NTSC/ SECAM 70 BPF FM/(AM) DAC 1 DAC 2 DAC 3 C in 19 36 66 42 51 52 53 48 49 44 RGB ->YUV H,V Sync AFC1/HAFC gain V freq wide blanking 68 YUV Switch 58 61 56 57 55 59 54 62 43 45 35 50 41 40 39 HD VD H Vcc(9V) Dig.VDD Dig GND SCP OUT H OUT 37 33 28 FBP IN EW OUT SIF IN 71 3 H,drive AFC2 PalaG Baw SIF OUT PIFVCO F 69 UV Proc. BBTINT Color Contrast Black Stretch DC Restor WPL / A.C./ Pre-over / WPS V/EW Y2 Proc. 47 - EW coner(T/B) Size Trapez Palabola -VSize VCenter VLinear V-S PIF/SIF inter/split - 1stSIF QSS demo AM demo* EHT in V OUT 46 V RAMP 11 I2C Bus IF 25 17 32 YC Vcc(5V) RGB Vcc(9V) YC GND LOOP Filter 1 78 67 74 72 75 79 80 77 76 34 9 7 6 4 - PIF VCO S-Trap AFT(to BUS) neg/pos* IF AGC RF AGC IF Vcc(9V) RGB Proc YUV->RGB /Switch Cutoff/Drive IF Vcc(5V) 12 13 14 18 21 22 23 20 31 27 26 FM filter QFP 80 pin SAW NC PIF IN PIF IN SAW SIF IN SIF IN APC Filter S-filter IF GND Ysm SDA SCL R OUT G OUT B OUT X'tal CW OUT VM OUT Bed pin ABCL IN EXT.R IN EXT.G IN EXT.B IN TB1261F/TB1262F 2002-6-30 2 / 66 TB1261F/TB1262F 2, BUS CONTROL MAP of the "TB1261F/62F" [WRITE] D7 0 1 2 3 4 5 6 7 8 9 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 VRamp Ref 17 18 AFC Gain V BLK Bottom PIF Det Lev EW Para H Stop xxx V. EHT H. EHT dac3 DCNF P PLL u H. Par TEST Strap-HP/LP [READ] D7 R0 R1 POR V Freq. D6 IF Lock V-STD D5 H Lock Noise D4 RFAGC D3 D2 D1 D0 AFT-W PVCO-Err Color System AFT-C C IN DC Sound Dev. Station Det S2-Q Strap-GD Strap-Q H Size EW Trape EW Corner Top EW Corner Bottom H. Bow 19 H Side BLK 1A RFAGC-Adj. LAGC lim 1B 1C 1D 1E 1F 20 21 V AGC dac1 dac2 V Linearity V Cent. V BLK Top Noise Det Level sync gate AFT-S S-col feint Y-Mute F ID PN ID S S GP Phase F sync V Freq. V Size V-S Corr. Drive ref BLK SW Spl/Int PLL S PIF Freq. Buzz-R VM-P Y-DL BPF/TOF S Inhibit 312/313 S ID Sense Over Mod VM-G Au-G (0) RGB Mute WPS B on RGB Col- Demo-P Y+C sw Video sw Color System C-in sw Slave Address: 88H D6 D5 D4 D3 Contrast Bright Color Sharpness Tint N-Comb CbCr sw Ys in C-Trap Y/Mon out Coring RGB>YUV Blue Back R Cut Off G Cut Off B Cut Off B Drive Gain R/G Drive Gain RF AGC S-Trap FM-Band DC-Restore ABL-SP Shoot Balance S-ID M HP-Boost H Phase V Phase VCO-M SIF-Freq. SIF-in SIF-574 Y- Point ABL-G Black Stretch L-AGC L-SECAM Black Adj. B-Y D2 D1 D0 0000_0000 0000_0000 0100_0000 0010_0000 0100_0000 0000_0000 0000_0000 0000_0000 0000_0000 0000_0000 0100_0000 0100_0000 0000_0000 0000_0000 0000_0000 1010_0000 0001_0000 0000_0000 0000_0000 1000_1000 0001_0000 0000_0000 1100_0000 1000_1000 0010_0000 0000_0000 0100_1000 0100_0000 0010_0000 0010_0000 0001_0000 0001_0000 0110_0100 0000_0000 0000_0000 Black Adj. R-Y 2002-6-30 3 / 66 TB1261F/TB1262F 3, Features comparizon for TB1261F and TB1262F TB1261F and TB1262F are distinguished with their assured specifications for its IF systems. Basically, TB1261 is for Asian models and TB1262 is for Europeans. The comparisons are shown in the next table. TB1261F Picture IF - Neg. demo TB1262F - Neg. demo - Pos. demo (L/L') - Split/ inter carrier - BG, DK, I (FM) - L (AM sound demo) Sound IF - Split/ inter carrier - BG, DK, I, M (FM) - BG (IGR-bilingual fm) These difference are realized by its Bus controls. The bits marked 'n/a' in the next table should not be selected by controller micro processor , in fact they can be set but not assured. BUS CONTROL ITEMS PIF Freq. (00) [ Sub; 0Dh D7~D5 3 bits ] BITS 000 001 010 011 100 101 CONTROLS 45.75 MHz 39.5 MHz 38.9 MHz 38.0 MHz 34.2 MHz 33.9 MHz not LSECAM, not FM stop L-SECAM L-SECAM & AGC speed up FM Stop 5.5MHz 6.0MHz 6.5MHz 4.5MHz Others 5.74MHz L-SECAM (0), L-AGC(0), FM Stop [ Sub; 12h D1,D0 2 bits ] 00 01 10 11 00 01 10 11 SIF-Freq (00) [ Sub; 0Eh D1-D2 2 bits ] SIF-574 (0) [ Sub; 0Eh D0 1 bit ] 0 1 TB1261F x n/a x x n/a n/a x n/a n/a x x x x x x x TB1262F n/a x x n/a x x x x x x x x x n/a x n/a x; n/a ; can be selected the feature not guaranteed 2002-6-30 4 / 66 TB1261F/TB1262F 4, MAXIMUM RATINGS (Ta=25) SYMBOL Vcc max9 Vcc max5 Vdd max3.3 PD max V in Topr Tstg RATING 12 6.5 5.0 1980(*1) GND - 0.3 ~ Vcc + 0.3 -20 ~ 65 -55 ~ 150 UNIT mW V ITEM Supply Voltage (9V Vcc) Supply Voltage (5V Vcc) Supply Voltage (3.3V Vdd) Power Dissipation Input terminal Voltage Operating Temperature Storage Temperature (*1) When using this device at above Ta=25, the power dissipation decreases by 15.9mV per 1 rise. (*2) This IC is weak against static electricity and surge impulse. Please take counter measure to meet, if necessary. (*3) This IC is not proofed enough against a strong E-M field by CRT which mau cause function error and/or poor characteristics. Keeping the distance from CRT to the IC longer than 20cm, or if cannot, placing shield metal over the IC, is recommended in an application. Ta-PD Curve ( on a PCB) 1980 PD (mW) Power Dissipation 1349 0 65 150 Ta() Atmosphere Temperature 5, OPERATING POWER SUPPLY VOLTAGE PIN NO. 74 67 25 45 35 11 PIN NAME IF Vcc (5V) IF Vcc (9V) RGB VCC (9V) H VCC (9V) DIGITAL VDD Y/C VCC (5V) MIN. 4.75 8.55 8.55 8.55 3.1 4.75 TYP. 5 9 9 9 3.3 5 MAX. 5.25 9.45 9.45 9.45 3.5 5.25 UNIT V V V V V NOTE This pin should be supplied from HVcc via 270 ohms of resister. 2002-6-30 5 / 66 TB1261F/TB1262F 6, DATA TRANSFER FORMAT VIA I2C BUS Start and stop condition SDA SCL S Start condition P Stop condition Bit transfer SDA SCL SDA stable Change of SDA allowed Acknowledge SDA by transmitter SDA by receiver SCL from master The transmitter releases the SDA line (HIGH) during the acknowledge clock pulse. The receiver has to pull down the SDA line (LOW) during the acknowledge clock pulse. S 1 8 9 Clock pulse for acknowledgment Data transmit format 1 S Slave address 7bit MSB S : Start condition 0A Sub address 8bit MSB A : Acknowledge MSB P : Stop condition A Transmit data 8bit AP Data transmit format 2 S Slave address 0A Sub address A Transmit data 1 A A AP Sub address Transmit data n Data received format S Slave address 7bit MSB MSB 1A Received data 01 8bit A Received data 02 AP At the moment of the first acknowledge, the master transmitter becomes a master receiver and the slave receiver becomes a slave transmitter. This acknowledge is still generated by the slave. The Stop condition is generated by the master. 2002-6-30 6 / 66 TB1261F/TB1262F Optional data transmit format : automatic increment mode S Slave address 7bit MSB MSB 0A1 Sub address 7bit MSB A Transmit data 1 8bit MSB Transmit data n 8bit AP In this transmission methods, data is set on automatically incremented sub-address from the specified sub-address. Purchase of TOSHIBA I2C components conveys a license under the Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips. 2002-6-30 7 / 66 TB1261F/TB1262F 7, Terminal Descriptions Pin # 1 (8) Description IF AGC; A terminal should be connected to an IF AGC filter. Connect 0.47uF of capacitor to . In selecting L system, the capacitor works for 1st SIF AGC. nc; Filter; PIF Filter A terminal to be connected to a filter for stabilizing the PIF VCO center frequency. Put a capacitor of 10 uF. Filter ilter; FM Filter; A terminal should be connected to an FM PLL filter. Put a lag lead CR filter.; nc; (4.43MHz Xtal (4.43MHz); A terminal should be connected with a 4.433619MHz crystal oscillator. The oscillated signal leads to the chroma demodulation, H out frequency tuning, AFT, etc.; Filter ilter; APC Filter; A terminal should be connected with an APC filter for chroma demodulation. This terminal voltage controls the frequency of VCXO.; nc; SECAM Filter; The terminal should be connected a SECAM filter for holding SECAN reference frequency. Connect 0.47uF to GND, If not using SECAM decoder on TB1261, put at least 0.01uF of capacitor to GND. nc; Y/C VCC; A Vcc terminal for Y/C circuit. Supply 5V.; OUT; R OUT; OUT; G OUT; B OUT; Terminals for R/G/B signal output, should be lead to CRT driver. Connect resistances to GND, for the current source if the slew rate is not enough. Due to the source current limitation, the resistances should be 2.0k or more.; nc; nc; Y/C GND; The GND terminal for Y/C circuit.; VM OUT; The output terminal for applying veracity scanning modulation (VSM). The IIC Bus controls phase and Gain of VSM.; Pin # 19 QFP only Description DAC1; A terminal to be output High/ Low status by an open collector interface. The pull up resistance should be fixed as a sink current is 1mA or less and the pull up voltage should be less than the voltage of RGB Vcc. YS/YM SW; A terminal for switching of EXT RGB Mode and fast transparent. EXT. RGB 2.1V ----------------Half tone 0.7V ----------------TV 0V ----------------IN; EXT. R IN; IN; EXT. G IN; EXT. B IN; Input terminals for EXT R/G/B signals. The signals are clamped by capacitors, therefore the input impedance should be low, 100 ohms or less is recommended. For this input, the brightness control with ABL is available. ABL OFF: for small area like OSD ABL ON: for large area like TELETEXT (input level 0.7Vp-p/100IRE) nc; RGB VCC (9V); A Vcc terminal for RGB block. Supply 9V. SCL; An input terminal for IICBUS clock.; SDA; An input/output terminal for IICBUS data.; EHT IN; The input terminal for EHT. The ratio of EW / V is controlled by bus.; nc; nc; ABCL IN; An input terminal for ABL/ACL control. Control voltage range is 5.0 - 6.0V. The ratio of ABL versus ACL can be set by bus control.; Bed pin; Connect GND. The earth pattern should be recommended to be isolated from Def GND and connect IF GND. EW OUT; An output terminal for E-W OUT. CW OUT; An output terminal for the continuous chroma sub-carrier frequency wave, with amplitude of 0.4Vp-p (typ). 2 3 (9) 20 (20) 4 (10) 5 6 (11) 21 22 23 (21) (22) (23) 7 (12) 8 9 (13) 10 11 (14) 12 13 14 (15) (16) (17) 24 25 (24) 26 (25) 27 (26) 28 (27) 29 30 31 (28) 15 16 17 (18) 18 (19) 32 QFP only 33 (29) 34 (30) 2002-6-30 8 / 66 TB1261F/TB1262F Pin # 35 (31) Description DIG. VDD ; A Vdd terminal for of digital block. Supply HVcc voltage through 270 ohms of resistance. The coupling capacitor should be 10uF or less, in order to keep rise up time good enough. The voltage of this terminal is clipped to approximately 3.3V by the internal regulator. Dac2; Dac2; A terminal to be output High/ Low status by an open collector interface. The pull up resistance should be fixed as a sink current is 1mA or less and the voltage is less than the voltage of H Vcc. FBP IN; An input terminal for FBP. V/GP pulses are output over this FBP. The Threshold levels are; 1.4 V ; for Blanking 3.7 V; for HAFC2 nc; H OUT; An output terminal for horizontal driving pulses.; VD OUT; An output terminal for VD pulses. The pulses are 3V for its level. HD OUT; An output terminal fot HD pulses. GP Pulses are overlaid as SCP. Also BPP is overlaid to stop black stretch detecting. Those levels are 5V; for GP out 3V; for HD out 0.7V; for BPP in Sync out; An output terminal of the sliced sync pulses. Pull up this pin with 5.1k of resistance. ilter; H AFC Filter; A terminal should be connected with H. AFC Filter. The DC voltage of this pin controls the H VCO frequency. Y3/CVBS3 IN; An alternative input terminal for; Y + Sync signals of Y/Cb/Cr_3 Or CVBS_3 Those two are selected by IICBUS This terminal is clamped by charging / discharging the coupling capacitors. It is recommended that input impedance is kept at or below 100. Input level 1Vp-p/140IRE H VCC (9V); A Vcc terminal for DEF circuit, HOUT, IICBUS POR, etc. Supply 9V.; Pin # 46 (36) Description V RAMP; A terminal should be connected with a capacitor to generate the V.Ramp signal.Connect this pin to GND via 0.47uF.The V.Ramp amplitude is kept constant by the V.AGC.; V OUT; An output terminal for the vertical saw tooth wave. Cb3 IN; Cr3 IN; Input terminals for ; Cb and Cr signals of Y/Cb/Cr_3 These terminals are clamped by charging / discharging the coupling capacitors. It is recommended that input impedance is kept at or below 100. DIG GND; A GND terminal for digital block.; Cr OUT; Cb OUT; Output terminals for demodulated Cb and Cr signals. Y/Mon OUT An alternative output terminal for; Y signal after Y1 process Or Mon out after selector Those two are selected by IICBUS BLACK DET; A terminal should be connected with Black level detecting filter for black stretch. This terminal voltage controls the Black stretching gain. The IIC Bus controls the on/off and start point of the Black stretch. ; Y2/CVBS2/G IN An alternative input terminal for; Y + Sync signals of Y/Cb/Cr_2 in Or CVBS_2 Or G signal of Scart Y/R/G/B in Those three are selected by IICBUS. These terminals are clamped by charging / discharging the coupling capacitors. It is recommended that input impedance is kept at or below 100. Cb2/B IN; Cr2/R IN; Alternative input terminals for; Cb and Cr signals of Y/Cb/Cr_2 Or R and B signal of Scart Y/R/G/B in Those three are selected by IICBUS These terminals are clamped by charging / discharging the coupling capacitors. It is recommended that input impedance is kept at or below 100. C-IN; An input terminal for chroma signal (standard burst amplitude level 286mVp-p). The dc level of this pin can be read by bus to detect if S port is connected or not.; 47 (37) 48 49 QFP only 36 QFP only 37 (32) 38 39 (33) 40 QFP only 41 QFP only 50 (38) 51 52 (39) (40) 53 (41) 54 (42) 55 (43) 42 QFP only 43 (34) 44 QFP only 56 57 (44) (45) 45 (35) 58 (46) 2002-6-30 9 / 66 TB1261F/TB1262F Pin # 59 (47) Description Ys(YCbCr) A fast switch for selecting Y/Cb/Cr2 in (or fast blanking for scart R/G/B in). Forced Y/Cb/Cr (or scart R/G/B in) 0.7V ----------------Selecting by IICBUS 0V ----------------nc; Y/CVBS1 IN An alternative input terminal for; Y + Sync signals of Y/C Or CVBS_1 Those two are selected by IICBUS This terminal is clamped by charging / discharging the coupling capacitors. It is recommended that input impedance is kept at or below 100. Input level 1Vp-p/140IRE DC RESTOR; A terminal to be connected with a capacitor to detect the average picture level for DC restoration. The ratio of the DC restoration is set by bus.Leave this terminal open if the DC restoration is not required. ; nc; nc; De-Emphasis/MonDe-Emphasis/Mon-OUT; A terminal to De-Emphasis Audio signal, and pick up detected Audio signal. Connect capacitor (4700pF) to GND. The time constant 50/75us is set by the IICBUS control "SIF Freq". Remove the capacitor for connecting US/JPN sound multiplex system. DAC 3; A terminal to be output High/ Low status by an open collector interface. The pull up resistance should be fixed as a sink current is 1mA or less and the voltage is less than the voltage of IF Vcc. IF Vcc(9V); A Vcc terminal for Y/C circuit. Supply 9V.; IF DET OUT; Detected PIF output terminal.(typical output level 2.2Vp-p) Pin # 69 (53) Description LOOP Filter; Filter; ilter A terminal to be connected with loop filter for PIF PLL. The terminal voltage controls the PIF VCO frequency.; DC NF; A terminal for connecting a capacitor for DC NF. This filter is very sensitive for the Audio quality; therefore connect capacitor to a stable GND point. In selecting L system, the capacitor works for PIF AGC filter. SIF OUT; An output terminal for a 2'nd SIF signal, which is mixed down by a regenerated carrier. IF GND; The GND terminal for IF circuit.; corr.; SIF IN / H corr.; An input terminal for 2'nd SIF signal and H. curve correction. (5V); IF VCC (5V); A Vcc terminal for the IF circuit. Supply 5V.; IN(1); 1'st SIF IN(1); IN(2); 1'st SIF IN(2); Input terminals for 1'st SIF signals. If not using Split input, leave these pins open, and turn the IICBUS bit of "Spl/ Int" [s0C/d7] to "1" Nc ( to GND ); Connect this pin to GND to isolate PIF and 1stSIF input. RF AGC; An output terminal for RF AGC. A pull up resistor is required because of its open collector output. A de-coupling capacitor should be also connected to adjust the response. IN(1) (1); IF IN(1); IN(2); IF IN(2); Input terminals for IF signals. Pin 6 and 7 are the both input poles of a differential amplifier. The normal input level is 90dB(uV); input impedance is 1.5 k ohms. 70 (54) 60 61 (48) 71 (55) 72 (56) 73 (1) 74 (2) 75 76 (3) (4) 62 (49) 63 64 65 (50) 77 78 (5) 66 QFP only 67 (51) 68 (52) 79 80 (6) (7) 2002-6-30 10 / 66 TB1261F/TB1262F 8, Interfaces 1; IF AGC 74 7; APC Filter 11 20; Ysm 22; EXT.G IN 11 1 7 20 220 100k 2.0V 250 0.7V 72 74 17 17 9; S-filter 11 21; EXT.R IN 23; EXT.B IN 21 11 9 72 800 23 2.45V 5k 17 17 3; PIF filter 67 12; R OUT 13; G OUT 14; B OUT 25 12 26; SCL 45 3 13 1k 14 26 100 5k 3.3V 1.4/2.1V 1k 72 17 5k 22 50 4; FM filter 67 18; VM OUT 25 27; SDA 45 4 3k 18 10 p 15 k 15 k 4.5V 27 200 50 5k 3.3V 1.4/2.1V 72 17 50 6; X'tal 11 19; DAC 1 25 28; EHT in 45 19 6 100 28 17 17 5k 5k 3.5V 50 2002-6-30 11 / 66 TB1261F/TB1262F 31; ABCL IN 25 39; H OUT 45 44; Y3/CVBS3 in 45 1k 31 30k 5k 39 50 44 1k 6V 17 50 50 33; EW OUT 45 40; VD 45 46; V RAMP 45 33 300 200 300 1k 46 3V 50 6k 50 50 34; CW OUT 45 47; V OUT 41; HD/SCP OUT 45 45 34 41 50 47 1k 200 200 5V 3V 6k BPP 50 50 36; DAC 2 45 42; Sync out 48; Cb3 in 49; Cr3 in1 1 45 5k 36 100 42 50 41 200 48 49 50 5k 17 37; FBP IN 45 43; H.AFC 45 51; Cr out 52; Cb out 45 37 200 50 43 VD GP blk 1.4V AFC 3.5V 237 75k 51 100 300 50 50 50 2002-6-30 12 / 66 TB1261F/TB1262F 53; Y/MON out 25 59 53 100 50k 200 59; Ys(YCbCr) 11 68; IF DET OUT 72 250 68 1k 17 17 67 54; BLACK Det 11 61; Y/CVBS 1 in 11 69; LOOP Filter 74 1k 4k 54 4k 61 69 1k 500 1k 2.4 V 14 k 1k Lock det 55; Y2/CVBS2/G in 11 62; DC Restor 11 70; DC NF/AM AGC 11 1k 55 1k 62 50k 70 1K 10k 17 17 1.7V 17 17 3V 72 17 56; Cb2/B in 57; Cr2/R in 11 65; DE-EMP.AUDIO OUT 67 75us 50us AM 1k 56 57 1k 65 500 1.5 k 10 k 15.5 k 1k 72 17 58; C in 11 66; DAC 3 67 71; SIF OUT 72 58 1k 71 66 100 100 75k 1.8V 2.5V 17 72 67 2002-6-30 13 / 66 TB1261F/TB1262F 73; SIF IN 74 int/ext 30k 5k 78; RF AGC 67 79; PIF IN 80; PIF IN 79 99k 74 73 500 8p 15k 1.8V 10p 30k 3V 78 72 1k dac 80 72 99k 20p 20p 1.44k 1.44k 2V 4K 72 75; SIF IN 76; SIF IN 74 99k 75 99k 20p 76 20p 1.44k 2V 1.44k 72 2002-6-30 14 / 66 TB1261F/TB1262F 9, BUS Description WRITE MODE [PIF] PIF] 0Ch RF AGC (00) [ Sub; 0Ch D5~D0 6 bits ] Data Descriptions 00 IF mute Stops Demodulation 01 65dB(uV) 3F 105 dB(uV) RF AGC delay point (Pin6-7) Freq. 0Dh PIF Freq. (00) [ Sub; 0Dh D7~D5 3 bits ] Data Descriptions 000 45.75 MHz 001 39.5 MHz 010 38.9 MHz 011 38.0 MHz 100 34.2 MHz 101 33.9 MHz Setting IF frequency according to tuner frequency. It fixes the VCO frequency and AFT center frequency. VCO0Dh VCO-M (0) [ Sub; 0Dh D1 1 bit ] Data Descriptions 0 Absolute (duration of searching) 1 Relative (normal) VCO tuning mode TB1261 has two VCO tuning mode, which are 'Absolute' and 'relative'. The 'Absolute' mode refers the crystal oscillation frequency 4.43MHz, the 'Relative' mode refers the IF input frequency, which is tuned by AFT loop. Set 'Relative' mode in normal receiving, and 'Absolute' in channel searching. Even setting the 'Relative' mode, the VCO mode works as 'Absolute' in status of 'PIF Unlock' automatically. AFT0Eh AFT-S (0) [ Sub; 0Eh D7 1 bit ] Data Descriptions 0 Wide 400kHz 1 Narrow 100kHz The range of the AFT-W read. 0Eh Over Mod (0) [ Sub; 0Eh D5 1 bit] Data Descriptions 0 Off (recommended) 1 On on/off the over modulation switch The measure circuit against over modulation stops the APC in detecting the over modulation, in order to avoid folding the detected signal. It may cause, however, malfunction against the phase modulated RF signals. So evaluate carefully in using this function. PLL0Ch PLL-S (0) [ Sub; 0Ch D6 1 bit ] Data Descriptions 0 Normal (recommended) speed-up x2 1 PLL Sensitivity. Set always '0; normal' Buzz0Eh Buzz-R (0) [ Sub; 0Eh D6 1 bit ] Data Descriptions 0 On (recommended) 1 Off Nyquist Buzz Reducer SW. (4) 1Ah PIF Det lev (4) [ Sub; 1Ah D5~D4 2 bits ] Data Descriptions 0 Min 3 Max PIF detected output level trimming (V pp) 2.4 PIF det out level 2.3 2.2 2.1 2.0 0 1 2 3 BUS setting Graph PIF det out level L-AGC(0) (0), L-SECAM (0), L-AGC(0), FM Stop 12h [ Sub; 12h D1,D0 2 bits ] D1 D0 Descriptions 0 0 not LSECAM, not FM stop 0 1 L-SECAM 1 1 L-SECAM & AGC speed up 1 0 FM Stop {L-SECAM} Selecting the IF mode to the L-system or not. This mode is available only for the TB1262. This bit set to L-system as to; - Turn the modulation polarity to positive - Delay the AGC time constant (Peek AGC), with switching the IF AGC filter to the capacitor of DCNF pin (10uF) instead of IFAGC pin (0.47uF) . - SIF AM demodulation (Split carrier only) with switching the SIF AGC filter to the capacitor of IFAGC pin (0.47uF) . {L-SECAM AGC speed up} Speed up the AGC response for channel search {FM Stop} Stopping the FM demodulator to use in NICAM demodulation. 2002-6-30 15 / 66 TB1261F/TB1262F 0Dh D2S-Trap(100) [ Sub; 0Dh D2-D4 3 bits ] Data Descriptions 000 S-trap Off 001 fo tuning min 111 fo tuning max Trap fo tuning and on/off switch. Need to set the tuning data for each sound system. Strap22h D1Strap-Q (00) [ Sub; 22h D1-D0 2 bits ] Data Descriptions 00 Q=3 01 Q=5 10 Q = 7 (recommended) 11 Q=9 Sound trap Q control. Need to set the tuning data for each sound system. Strap22h D1Strap-GD (00) [ Sub; 22h D1-D0 2 bits ] Data Descriptions 00 off 01 60 ns 10 90 ns 11 120 ns Sound trap Group delay control. Need to set the tuning data for each sound system. AGC1Ah L AGC-lim [ Sub; 1Ah D6 1 bit ] Data Descriptions 0 on 1 off AGC limiter for L system. It works when set L system. 22h PIF PLL u [ Sub; 22h D5 1 bit ] Data Descriptions 0 normal 1 1/3 Reduce the u of the PIF PLL trap22h D7S trap-HP LP (00) [ Sub; 22h D7-D6 2 bits ] Data Descriptions 00 off 01 1 dB (HPF) 10 - 3 dB (LPF) 11 - 2 dB (LPF) Frequency response control. Need to set the tuning data for each sound system S2S2-Q Data 0 1 22h [ Sub; 22h D4 1 bit ] Descriptions normal fixed Q=3 for S2 trap [SIF] SIF] SIF0Eh D1SIF-Freq (00) [ Sub; 0Eh D1-D2 2 bits ] Data Descriptions 00 5.5MHz 01 6.0MHz 10 6.5MHz 11 4.5MHz Set the SIF frequency for BPF Set the SIF frequency for Trap filter Select the SIF FM demodulator band select the de-emphasis speed SIF0Eh SIF-574 (0) [ Sub; 0Eh D0 1 bit ] Data Descriptions 0 Others 1 5.74MHz To use this bit, an external BPF of 5.74MHz is required Au0Eh Au-G (0) [ Sub; 0Eh D4 1 bit ] Data Descriptions 0 927mVrms at 25kHz/DEV 1 500mVrms at 25kHz/DEV Audio Gain Switch for M system FM0Eh FM-band (0) [ Sub; 0Eh D3 1 bit ] Data Descriptions 0 Wide 1 Narrow Select FM band width It controls the bandwidth or pull-in range of the FM demodulator. This bit should be set depending on the region as to put wide/narrow bandwidth ceramic BPF. SIF0Dh SIF-in (0) [ Sub; 0Dh D0 1 bit] Data Descriptions 0 Internal 1 External Select 2nd SIF limiter input path. External BPF is required in selecting 'External'. 0Ch Spl/ Int (0) [ Sub; 0Ch D7 1 bit ] Data Descriptions 0 Split carrier 1 Inter carrier Split carrier / Inter carrier selecting. DCNF (1) [ Sub; 20h D6 1 bit ] 20h Data Descriptions 0 Normal 1 Speed up DCNF Speed. Need to set '1 speed up' at least 500ms after power on. RFAGC1Ah RFAGC-adj [ Sub; 1Ah D7 1 bit ] Data Descriptions 0 Normal 1 adjusting mode RF AGC delay point adjusting mode. See ***. 2002-6-30 16 / 66 TB1261F/TB1262F RGB] [YUV, RGB] - Y1 10h D4Y-DL (001) [ Sub; 10h D4-D6 3 bits ] Data Descriptions 000 -120ns 001 -80ns 010 -40ns 011 +0ns 100 +400ns 101 +80ns 110 +120ns 111 +160ns Y Delay time 06h C-Trap (0) [ Sub; 06h D1 1 bit ] Data Descriptions 0 Off; for Y / C Separated input 1 On; for internal C trap (-20dB or less) Chroma trap filter for Y input - Y2 11h D0Black Stretch (00) [ Sub; 11h D0-D1 2 bits ] Data Descriptions 00 Off 01 25IRE 10 35IRE 11 45IRE Set the black stretch start poin. Black stretch Start Point; off / 25 / 35 / 45 IRE Maximum gain fixed 0Fh D1Y-point (00) [ Sub; 0Fh D1-D0 2 bits ] Data Descriptions 00 Off 01 90IRE 10 80IRE 11 70IRE Set the point of non linear curve for Y signal Y-C points out Start Point; off / 70 / 80 / 90 IRE Gain -6dB in 03h D5Sharpness (20) [ Sub; 03h D5-D0 6 bits ] Data Descriptions 00 -5.9dB 20 3.7dB 3F 5.0 dB Sharpness control peak:4MHz 11h D4Shoot balance (00) [ Sub; 11h D4-D2 3 bits ] balance Data Descriptions 0 pre 7 over shoot balance control 06h coring (0) [ Sub; 06h D0 1 bit ] Data Descriptions 0 On 1 Off on/off the coring Sub; 00h WPS (0) [ Sub; 00h D7 1 bit ] Data Descriptions 0 On 1 Off White Peak Suppresser Switch VM0Fh VM-P (0) [ Sub; 0Fh D6 1 bit ] Data Descriptions 0 -120ns 1 -60ns VSM output phase switching VM0Fh D4VM-G (10) [ Sub; 0Fh D4-D5 2 bits ] Data Descriptions 00 - 10dB 01 - 3dB 10 0dB 11 Off VSM output gain switching out in DC0Fh D2DC-Restor. (00) [ Sub; 0Fh D2-D3 2 bits ] Data Descriptions 00 120% 01 90% 10 100% 11 110% DC Restoration control RGB DC Level offset 100% DC restroration; 120% 110% 100% 90% 0 APL 100 IRE 2002-6-30 17 / 66 TB1261F/TB1262F - UV 04h D6TINT (40) [ Sub; 04h D6-D0 7 bits ] Data Descriptions -35 00 35 7F Tint control (Base Band TINT) RD7Black Adj. R-Y (4) [ Sub; 13h D7-D4 4 bits ] BD3Black Adj. B-Y (4) [ Sub; 13h D3-D0 4 bits ] bits Data Descriptions 0 -92 mV F +85mV 14mV/dev UV Black level adjust 02h D6Color (40) [ Sub; 02h D6-D0 7 bits ] Data Descriptions 00 -20 dB or less 7F 6.5 dB Color control DEMO03h D6DEMO-P (00) [ Sub; 03h D6-D7 2 bits ] Data Descriptions 00 PAL1 01 PAL2 NTSC1 (105) 10 NTSC2 (95) 11 the relative phase / amplitude The relative amplitude and phase are fixed as the following table. The setting are depend on only IICBUS command, so that a set micro computer should select DEMO-P mode on read out 'Color system' in changing the phase on received color system. Table The relative amplitude and phase BUS mode Relative Amplitude Relative Phase CbCr out R-Y/B-Y G-Y/B-Y R-Y/B-Y G-Y/B-Y Cr out Cb out 00 PAL1 0.55 0.33 90 240 01 PAL2 0.78 0.33 90 240 330mVpp / 330mVpp / 10 NTSC 1 0.79 0.28 105 246 90 deg 0 deg 11 NTSC 2 0.78 0.33 105 237 ABL00h D3ABL-SP (00) [ Sub; 00h D3-D2 2 bits ] Data Descriptions 00 0V 01 -0.20 V 10 -0.30 V 11 -0.50 V Selecting ABL start point ABL00h D1ABL-G (00) [ Sub; 00h D1-D0 2 bits ] Data Descriptions 00 -0.21 V 01 -0.38 V 10 -0.50 V 11 -0.67 V ABL Gain control 10h Y-Mute (0) [ Sub; 10h D7 1 bit ] Data Descriptions 0 Off 1 On on / off the Y MUTE RGB 01h D6Bright (00) [ Sub; 01h D6-D0 7 bits ] Data Descriptions 00 1.75 V (Pedestal Level) 7F 3.25 V (Pedestal Level) Brightness control 01h Brt on RGB (0) [ Sub 01h D7 1 bit ] Data Descriptions 0 RGB Brt on 1 RGB Brt off Brightness on RGB input 06h Blue Back (0) [ Sub; 06h D2 1 bit ] Data Descriptions 0 Off 1 on (50 IRE ) Blue Back Switch D7R Cutoff (00) [ Sub; 07h D7-D0 8 bits ] D7G Cutoff (00) [ Sub; 08h D7-D0 8 bits ] D7B Cutoff (00) [ Sub; 09h D7-D0 8 bits ] Data Descriptions 00 -0.65 V FF 0.65 V R,G,B Cutoff control D6B Drive (40) [ Sub; 0Ah D6-D0 7 bits ] D6R/G Drive (40) [ Sub; 0Bh D6-D0 7 bits ] Data Descriptions 00 -5.5 dB 7F 3.5 dB R/G, B Drive control Col02h Col- (0) [ Sub; 02h D7 1 bit ] Data Descriptions 0 Off 1 On on/off the color on R - YUV 00h D6Contrast (00) [ Sub; 00h D6-D0 7 bits ] Data Descriptions 00 DB 7F -24dB contrast control 2002-6-30 18 / 66 TB1261F/TB1262F Drive ref (0) [ Sub; 0Ah D7 1 bit ] Data Descriptions 0 R reference ( G active ) 1 G reference ( R active ) Drive control reference Blk (0) [ Sub; 0Bh D7 1 bit ] Data Descriptions 0 Blanking on ( normal mode) 1 Blanking off Hor. And Vert. blanking for RGB outputs RGBRGB-M (1) [ Sub; 06h D7 1 bit ] Data Descriptions 0 Off 1 On ( -20 IRE ) on / off the RGB mute STAGE] [CHROMA STAGE] D6Color System (000) [ Sub; 06h D6-D4 3 bits ] Data Descriptions 000 Auto 1 (for Eu, Asia,,,,) 443PAL , 358NTSC , SECAM , 443NTSC 001 Auto 2 (for S-America) 358NTSC , M-PAL , N-PAL 010 Fixed 358NTSC 011 Fixed 443NTSC 100 Fixed 443PAL 101 Fixed SECAM 110 Fixed M PAL 111 Fixed N PAL Color system selection N-Comb (0) [ Sub; 05h D3 1 bit ] Data Descriptions 0 Off 1 On Comb filter for base-band color signal of NTSC BPF/TOF (0) [ Sub; 11h D5 1 bit ] Data Descriptions 0 BPF 1 TOF Select chroma BPF frequency response P/N ID S (0) [ Sub; 11h D6 1 bit ] Data Descriptions 0 Normal 1 Low PAL / NTSC ID sensitivity for digital comb filter F ID (0) [ Sub; 11h D7 1 bit ] Data Descriptions 0 Normal 1 always color on on a fixed color systems Forced killer off (This function dose not work on Auto 1 and Auto 2 mode) D7SGP (00) [ Sub; 12h D7-D6 2 bits ] Data Descriptions 00 Auto 01 +500ns (delayed) 10 center 11 -500ns (forwarded) SECAM Gate pulse phase S- inhibit (0) [ Sub; 12h D5 1 bit ] Data Descriptions 0 Normal 1 SECAM inhibit SECAM inhibit S-ID S (0) [ Sub; 12h D4 1 bit ] Data Descriptions 0 Normal 1 Low SECAM ID Sensitivity S-ID M (0) [ Sub; 12h D3 1 bit ] Data Descriptions 0 H * recommended 1 H+V SECAM ID mode HP Boost (0) [ Sub; 12h D2 1 bit ] Data Descriptions 0 Normal 1 Boost Enhance the higher side of SECAM Bell filter, to eliminate cross color S-col-feint (0) col[ Sub; 0Fh D7 1 bit ] Data Descriptions 0 on ; for RF in 1 off; for AV in On / off the SECAM color feinting feature, which decrease color gain on RF level. BPF TOF BPF TOF 358 443 2002-6-30 19 / 66 TB1261F/TB1262F [DEF] DEF] Phase D4V Phase (00h) [ Sub; 15h D4-D0 5 bits ] Data Descriptions 0 (0H) 31 (31H) Vertical Position control by delaying the V-ramp timing Phase D4H Phase (10h) [ Sub; 14h D4-D0 5 bits ] Data Descriptions 00 -3us 1F 3us Horizontal Position control D7V-Freq (000) [ Sub; 15h D7-D5 3 bits ] Data Descriptions 000 Auto 001 50 Hz 010 60 Hz 011 50Hz in no input 100 Forced 312.5 H , stopped V pull-in 101 Forced 262.5 H , stopped V pull-in 110 Forced 313 H , stopped V pull-in 111 Forced 263 H , stopped V pull-in Vertical frequency pull-in mode selection D7AFC Gain (00) [ Sub; 18h D7-D6 2 bits ] Data Descriptions 00 Normal 01 1 / 3 sensitivity 10 X 3 at V blanking duration 11 AFC OFF AFC gain Sync gate (0) [ Sub; 14h D7 1 bit ] Data Descriptions 0 Normal 1 Gated F sync (0) [ Sub; 14h D6 1 bit ] Data Descriptions 0 Normal ; for input from RF 1 F sync ; for input from AV equipments Forced sync STOP H STOP (0) [ Sub; 1Ch D6 1 bit ] Data Descriptions 0 Normal 1 & Y-mute & RGB mute; H STOP H OUT stop 312/313 (0) [ Sub; 14h D5 1 bit ] Data Descriptions 0 Normal 1 TELETXT(312/313) (This function makes V-scanning non-interlace for teletext) V-AGC (1) [ Sub; 1Bh D7 1 bit ] Data Descriptions 0 Normal 1 Speed up (x3) D6V Size (40h) [ Sub; 16h D6-D0 7 bits ] Data Descriptions 00 V Stop 01 -47 % 7F 47 % Vertical size alignment / Vstop D7V Linearity (4h) [ Sub; 17h D7-D4 4 bits ] Data Descriptions 0 -12 % F 12 % V linearity alignment D5V cent. (10h) [ Sub; 18h D5-D0 6 bits ] Data Descriptions 0 -12 % 3F 12 % V centering D3V-S Corr (4h) [ Sub; 17h D3-D0 4 bits ] Data Descriptions 0 20 % F -12 % D7 V Ramp Ref. (0) [ Sub; 16h D7 1 bit ] Data Descriptions 0 External (YC Vcc) 1 Internal Select the reference voltage D7V.EHT (0h) [ Sub; 1Eh D7-D5 3 bits ] Data Descriptions 0 Min ( 0 %) 7 Max gain (-9 %) Adjust the sensitivity for V D5H Size (10) [ Sub; 1Ch D5-D0 5 bits ] Data Descriptions 00 700 uA 3F 0 uA ( at top ) Adjust the H size by biasing the EW DC voltage D6EW Para (40) [ Sub; 1Bh D6-D0 7 bits ] Data Descriptions 00 0 uA(p-p) 7F 440 uA(p-p) Adjust the EW Parabola amplitude 2002-6-30 20 / 66 TB1261F/TB1262F Sub; D4EW Corner Top (10) [ Sub; 1Eh D4-D0 5 bits ] Data Descriptions 00 720 uA (-36%) 1F 160 uA (36%) Adjust upper EW corner D4EW Corner Bottom (19) [ Sub; 1Fh D4-D0 5 bits ] Data Descriptions 00 720 uA (-36%) 1F 160 uA (36%) D5EW Trape (20) [ Sub; 1Dh D5-D0 6 bits ] Data Descriptions 00 - 6.5 % 1F 6.5 % Adjusting EW trapezium D6V BLK Bottom (0h) [ Sub; 19h D6-D4 3 bits ] Data Descriptions 0 Normal 7 80 % Lower V Blanking for RGB outs D3V BLK top (0h) [ Sub; 19h D3-D0 4 bits ] Data Descriptions 0 Normal F 85 % Upper V Blanking for RGB outs H Side BLK (0) [ Sub; 19h D7 1 bit ] Data Descriptions 0 Off 1 on (92%) H side Blanking D2H bow (4) [ Sub; 20h D2-D0 3 bits ] Data Descriptions 0 )) - 1uS 7 (( + 1uS H Bow curve correction (4) D5H Par (4) [ Sub; 20h D5-D3 3 bits ] Data Descriptions -/+ 2 uS 0 +/- 2 uS 7 H Parallelogram correction D7H.EHT (0) [ Sub; 1Fh D7-D5 3 bits ] Data Descriptions 0 Min (0 %) 7 Max Adjust the sensitivity for H EHT [OTHERS] OTHERS] D3noise det (4) [ Sub; 1Ah D3-D0 4 bits ] Data Descriptions 0 F Noise det level setting Dac 1 (0) Dac 2 (0) Dac 3 (0) Data 0 1 [ Sub; 1Ch D7 1 bit ] [ Sub; 1Dh D7 1 bit ] [ Sub; 20h D7 1 bit ] Descriptions High impedance Low (00) D7TEST (00) [ Sub; 21h D7-D0 8 bits ] Data Descriptions 00 Normal others For testing IC Leave these bits preset data ; 0000 0000 0 2002-6-30 21 / 66 TB1261F/TB1262F IO selection switch [A] D6Video sw (00) [ Sub; 05h D6-D5 2 bits ] Y/mon out (0) [ Sub; 05h D0 1 bit ] Data Descriptions Y/mon Video out sw 1 00 V1 01 V2 10 V3 11 inhibit 0 ** V1 V2 cannot select in using RGB>YUV mode V3 is available only for QFP version switch [B] C in sw (0) Data 0 1 switch [C] Y+C sw (0) Data 0 1 switch [D] Y/mon out (0) Data 0 1 switch [E] CbCr sw (0) Video sw (00) Ys(CbCr) Data CbCr Video 0 * 1 00/01 1 10/11 * ** [ Sub; 05h D0 1 bit ] Descriptions Y out Mon out [ Sub; 05h D2 1 bit ] D6[ Sub; 05h D6-D5 2 bits ] Pin# 59 Descriptions Ys Low Low Low High YUV 1 YUB 2 YUV 3 YUV 2 [ Sub; 05h D4 1 bit ] Descriptions Vsw out for CVBS in C-in for Y/C in [ Sub; 04h D7 1 bit ] Descriptions Through Y+C switch [F] RGB->YUV RGB->YUV (0) [ Sub; 06h D3 1 bit ] Data Descriptions 0 RGB in (RGB->YCbCR sw on) 1 YCbCr in RGB->YCbCR sw switch [G] Ys in (0) Data 0 1 [ Sub; 05h D1 1 bit ] Descriptions Activate Prohibited Fig. TB1261F Switch box Cb OUT Cr OUT Y/Mon OUT 6dB Mon out C-IN Y/CVBS1 IN 58 61 V1 V2 V3 inhibit 52 51 53 [D] Yout [B] [C] [A] C proc. Y1 proc. YUV 1 int ext to DEF YUV 2 YUV 3 [E] Y2 UV [F] Y2/CVBS2/G IN Cb2/B IN Cr2/R IN Ys(YCbCr) Y3/CVBS3 IN Cb3 IN Cr3 IN 55 56 57 59 44 48 49 RGB | YUV Sync proc. [G] YUV > |