TA1270BF
FEATURES
Video block l Chroma trap l Y delay line l Sub contrast adjustment (±3 d B)
Weight: 0.83 g (Typ.)
CHROMA block l UV / Cb Cr demodulation for NTSC ; UV demodulation for PAL l Tint control l PAL demodulation baseband signal processing l PAL / NTSC automatic identification l Sub color adjustment (±3 d B)
Sync processor block l High-performance sync separator circuit l Adjustment-free horizontal and vertical oscillator circuit using count down method l 50 / 60 Hz automatic identifier circuit
Switch block l High-speed switcher circuit l YUV or RGB input l Built-in RGB matrix circuit l YUV or RGB output
1 2002-12-24
BLOCK DIAGRAM
2 2002-12-24
PIN FUNCTION
PIN No.
PIN NAME
FUNCTION
1 X’tal-1 2 X’tal-2 3 X’tal-3
Connect crystal. Serial capacitance can vary oscillator frequency f0 ; parallel capacitance can vary oscillator adjustment range.
INTERFACE
INPUT / OUTPUT SIGNAL
DC 4.0 V 90 m Vp-p
4 APC filter
Connect APC filter for CHROMA demodulation....
