参数资料
型号: TVP5150AZQCR
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PBGA48
封装: PLASTIC, BGA-48
文件页数: 42/74页
文件大小: 439K
代理商: TVP5150AZQCR
237
2.20.41 Interrupt Status Register B
Address
86h
7
6
5
4
3
2
1
0
Software
initialization
Macrovision detect
changed
Command
ready
Field rate
changed
Line alternation
changed
Color lock
changed
H/V lock
changed
TV/VCR
changed
Software initialization:
0 = Software initialization is not ready (default).
1 = Software initialization is ready.
Macrovision detect changed:
0 = Macrovision detect status has not changed (default).
1 = Macrovision detect status has changed.
Command ready:
0 = TVP5150A is not ready to accept a new command (default).
1 = TVP5150A is ready to accept a new command.
Field rate changed:
0 = Field rate has not changed (default).
1 = Field rate has changed.
Line alternation changed:
0 = Line alteration has not changed (default).
1 = Line alternation has changed.
Color lock changed:
0 = Color lock status has not changed (default).
1 = Color lock status has changed.
H/V lock changed:
0 = H/V lock status has not changed (default).
1 = H/V lock status has changed.
TV/VCR changed:
0 = TV/VCR status has not changed (default).
1 = TV/VCR status has changed.
Interrupt status register B is polled by the external processor to determine the interrupt source for interrupt B. After
an interrupt condition is set, it can be reset by writing to the interrupt reset register B at subaddress 1Ch with a 1 in
the appropriate bit.
2.20.42 Interrupt Active Register B
Address
87h
7
6
5
4
3
2
1
0
Reserved
Interrupt B
Interrupt B:
0 = Interrupt B is not active on the external terminal (default).
1 = Interrupt B is active on the external terminal.
The interrupt active register B is polled by the external processor to determine if interrupt B is active.
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