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TB1311AFG Dataheets PDF



Part Number TB1311AFG
Manufacturers Toshiba Semiconductor
Logo Toshiba Semiconductor
Description Sync Separation and H/V Frequency Counter IC
Datasheet TB1311AFG DatasheetTB1311AFG Datasheet (PDF)

TB1311AFG TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB1311AFG Audio SW, Video SW, Sync Separation and H/V Frequency Counter IC for TVs The TB1311AFG includes audio and video SW blocks, prefilters for A/D converters, sync separators, and an H/V format detector for TV signals. The TB1311AFG contributes to a reduction in the proportion of the PCB occupied by LCR filters and to the simplification of designs on www.DataSheet4U.com analog interfaces. 2 The TB1311AFG has an I CBUS interfa.

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TB1311AFG TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic TB1311AFG Audio SW, Video SW, Sync Separation and H/V Frequency Counter IC for TVs The TB1311AFG includes audio and video SW blocks, prefilters for A/D converters, sync separators, and an H/V format detector for TV signals. The TB1311AFG contributes to a reduction in the proportion of the PCB occupied by LCR filters and to the simplification of designs on www.DataSheet4U.com analog interfaces. 2 The TB1311AFG has an I CBUS interface through which various functions can be controlled. P-QFP80-1420-0.80C Weight: 1.6 g (typ.) Features Audio SW block ・ Audio (L/R) inputs ・ Audio (L/R) output: 3 channels Audio block ・ Attenuator Video SW block ・ CVBS inputs ・ Y/C inputs ・ Component video inputs (co-use as RGB inputs) ・ SCART inputs ・ Output: 2 channels ・ Monitor output Video block ・ Gain switching: -3 dB / 0 dB / +3 dB ・ Bandwidth filter: prefilter for ADC; 4.5 to 46 MHz variable Sync separation block ・ Supports 525/30p/60i/60p, 625/50i/50p, 750/50p/60p, 1125/24p/24sf/25p/30p/50i/60i/50p/60p, 1250/50i, VGA @60, SVGA@60, XGA@60, SXGA@60, UXGA@60 ・ HD/VD input: 1 channel; positive and negative input acceptable ・ HD/VD output: positive and negative output selectable ・ Masking pseudo-sync for the copyguard signal Others ・ Line detector for Japanese D-pin ・ S2, S1, insertion detection for S-pin ・ Horizontal and vertical frequency counter ・ Format detection circuit to input signal ・ No-input detection ・ Automatic sync process switching mode ・ Programmable number of audio/video inputs 1 2006-05-29 TB1311AFG Block Diagram 1 (Simplified Overview) www.DataSheet4U.com This IC does not support weak signals, ghost signals or other nonstandard signals. Some functional blocks, circuits, or constants may be omitted or simplified in the block diagram for explanatory purposes. 2 2006-05-29 TB1311AFG Block Diagram 2 (Video Block) www.DataSheet4U.com Some functional blocks, circuits, or constants may be omitted or simplified in the block diagram for explanatory purposes. 3 2006-05-29 TB1311AFG Block Diagram 3 (Audio Block) AR1 IN AL1 IN AR2 IN 35 37 42 43 52 54 56 58 62 63 72 74 76 78 ATT “AU1 ATT” ATT ATT 7 Total 0dB AR1 OUT www.DataSheet4U.com AL2 IN AR3 IN AL3 IN AR4 IN AL4 IN AR5 IN AL5 IN AR6 IN AL6 IN AR7 IN AL7 IN ATT “AU1 FIX” ATT 5 ATT Total 0dB ATT “AU2 ATT” AL1 OUT ATT 20 ATT Total 0dB ATT “AU2 FIX” AR2 OUT ATT Total 0dB ATT 18 AL2 OUT ATT ATT 3 AR3 OUT Other block AR8 IN/DC1(S3) AL8 IN/DC2(S4) AR9 IN/DC4(LINE3-1) AL9 IN/DC5(LINE2-1) AR10 IN/DC9(LINE3-2) AL10 IN/DC10(LINE2-2) 39 40 46 48 66 68 ATT Other block ATT Other block ATT Other block ATT Other block ATT Other block ATT 1 AL3 OUT “AU1 OUT” “AU2 OUT” Some functional blocks, circuits, or constants may be omitted or simplified in the block diagram for explanatory purposes. “AU3 OUT” 4 2006-05-29 TB1311AFG Block Diagram 4 (Other Blocks) www.DataSheet4U.com I2CBUS This IC does not support weak signals, ghost signals or other nonstandard signals. Some functional blocks, circuits, or constants may be omitted or simplified in the block diagram for explanatory purposes. FREQ COUNTER 5 2006-05-29 TB1311AFG Pin Assignment CVBS5 IN AR2 IN AL2 IN FB1 IN/DC3(SW LINE1) AU Vcc (9V) Cr2/R2 OUT FB2 OUT Cb2/B2 OUT AR2 OUT Y2/G2 OUT AL2 OUT CVBS2 OUT V/S GND SYNC2 IN SYNC FILTER VD OUT HD OUT V/S Vcc (5V) Cr1/R1 OUT FB1 OUT Cb1/B1 OUT AR1 OUT Y1/G1 OUT AL1 OUT CVBS1 OUT AR3 OUT MONITOR OUT AL3 OUT www.DataSheet4U.com Cr1/R1 IN AR9 IN/DC4(LINE3-1) Cb1/B1 IN AL9 IN/DC5(LINE2-1) Y1/G1 IN FB3 IN/DC6(LINE1-1) Cr3/R3 IN AR3 IN Cb3/B3 IN AL3 IN Y3/G3 IN AR4 IN SY1 IN AL4 IN SC1 IN DC7(S1) CVBS6 IN AR5 IN AL5 IN FB2 IN/ DC8(SW LINE2) 6 2006-05-29 TB1311AFG Pin Functions The equivalent circuit diagrams may be simplified or some parts of them may be omitted for explanatory purposes. Pin No. Pin Name Function Interface Circuit 11 3.3V Input Signal/Output Signal VCC pin for the logical circuits. 29 Vdd (3.3 V) Supply power through a resistor from pin 11 as in the Application Circuit. This pin voltage is clipped to 3.3 V (typ.) by the internal regulator. 29 500Ω 3.3 V (typ.) 27 27 11 Vss V/S VCC (5 V) V/S GND AU VCC (9 V) AU GND CVBS3 IN CVBS4 IN CVBS5 IN CVBS6 IN SY1 IN SY2 IN GND pin for the logical circuits. VCC pin for the sync and video circuits. Connect 5.0 V (typ.) GND pin for the sync and video circuits. VCC pin for the audio circuits. Connect 9.0 V (typ.) GND pin for the audio circuits. ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ 5.0 V (typ.) ⎯ 9.0 V (typ.) ⎯ www.DataSheet4U.com 16 24 32 36 38 41 61 57 77 CVBS or Y input pin. Input the CVBS or Y signal in NTSC, PAL or SECAM via a clamp capacitor. Sync tip level: 2.3 V (typ.) Y/CVBS signal amplitude: 1.0 Vp-p (with sync) Chroma signal input pin. 59 79 SC1 IN SC2 IN 100.2kΩ Input C signal via a capacitor. The voltage of this pin is detected and the 2 status is returned to the I CBUS Read functions, S4 or S8. It is used for dete.


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