TA1270BFG Datasheet, PDF (8/39 Pages) Toshiba Semiconductor – PAL / NTSC VIDEO CHROMA AND SYNC PROCESSING SYSTEM FOR PIP / POP / PAP

PIN
No.
PIN NAME
FUNCTION
INTERFACE
TA1270BFG
INPUT / OUTPUT
SIGNAL
40 Y input
Composite video signal or Y signal
input pin. Input via the clamp
capacitor.
41 DAC V_CC
42 C V_CC
V_CC pins for DAC block and
CHROMA processing block. Connect
5 V (Typ.).
―
43 UV / CbCr SW
UV / CbCr demodulation switch.
OPEN ―― UV
GND ―― CbCr
CbCr demodulation is effective for
NTSC only.
2.4 V
―
UV
―― 0.7 V
CbCr
―― 0
44 fsc output
Outputs crystal oscillator fsc.
The pin voltage goes high only when
3.58NTSC is received.
AC ; 0.6 V_p-p
DC ;
3.58NTSC
―――3.2 V
OTHERS
―――1.6 V
45 1HDL CONT
Outputs PAL / SECAM / NTSC
identification result.
Adjust to DC and connect output to
1H DL IC.
4.3 V ; PAL
2.5 V ; SECAM
0 V ; NTSC
8
2005-08-18