參數(shù)資料
型號: TA1270BF
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: QFP-48
文件頁數(shù): 37/38頁
文件大?。?/td> 571K
代理商: TA1270BF
TA1270BF
2002-12-24
8
PIN
No.
PIN NAME
FUNCTION
INTERFACE
INPUT / OUTPUT
SIGNAL
40
Y input
Composite video signal or Y signal
input pin. Input via the clamp
capacitor.
2.4 V
41
42
DAC VCC
C VCC
VCC 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.
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 Vp-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
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