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参数资料
| 型号： | TC90A92AFG |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封装： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件页数： | 5/34页 |
| 文件大小： | 459K |
| 代理商： | TC90A92AFG |
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TC90A92AFG
(11) Feature function
a) S/N detection
Noise detection is performed in the vertical blanking period. Detection is performed at every field and the data
is updated each field. A S/N detection result is 8bit data and it can be read via IIC.
b)ID-1 data slice function
TC90A92AFG has a data slice circuit for ID-1 signal at the line 20 and 283.
Sliced data can be read via IIC.
This function is only output of sliced data level.
It is necessary to check a continuation of signal between some fields for ID-1 signal detection.
c) CCD data slice function
TC90A92AFG has a data slice circuit for closed caption data at the line 21 and 284.
CRI detection, start bit detection and sliced data can be read via IIC.
VBI READY (Pin79) is a reference timing pulse for S/N detection and VBI data slice function.
VBI READY outputs Hi pulse at the line 23 and 286.
d)Others
TC90A92AFG has IIC read registers.
50/60Hz detection/ signal detection / V sync detection / locked unlocked detection / 4.43MHz fsc detection
/ PAL detection / SECAM detection / Killer detection
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