参数资料
型号: TA1270BF
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封装: QFP-48
文件页数: 38/38页
文件大小: 571K
代理商: TA1270BF
TA1270BF
2002-12-24
9
PIN
No.
PIN NAME
FUNCTION
INTERFACE
INPUT / OUTPUT
SIGNAL
46
SECAM CONT
I / O pin used to control SECAM
demodulator IC.
If 250 A or more flows from this pin,
SECAM is determined.
At PAL /
NTSC : 3.7 V
At SECAM
(Black and white) :
0.7 V
47
B-Y / Cb output
Outputs B-Y (U) signal or Cb signal.
Incorporates LPF to reject carrier.
Pedestal level: 2.4 V
48
R-Y / Cr output
Outputs R-Y (V) signal or Cr signal.
Incorporates LPF to reject carrier.
Pulling up the pin with 10 k
monitors CHROMA signal after ACC
and TOF circuits (before demo
input).
R-Y output
Pedestal level: 2.7 V
Cr output
Pedestal level: 2.5 V
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