參數(shù)資料
型號: TVP5150AM1PBSRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP32
封裝: PLASTIC, TQFP-32
文件頁數(shù): 41/77頁
文件大?。?/td> 291K
代理商: TVP5150AM1PBSRG4
234
2.20.28 Interrupt Configuration Register B
Address
1Eh
Default
00h
7
6
5
4
3
2
1
0
Reserved
Interrupt polarity B
Interrupt polarity B:
0 = Interrupt B is active low (default).
1 = Interrupt B is active high.
Interrupt polarity B must be same as interrupt polarity A bit at bit 0 of the interrupt configuration register A at address
C2h.
Interrupt configuration register B is used to configure the polarity of interrupt B on the external interrupt pin. When
the interrupt B is configured for active low, the pin is driven low when active and high-impedance when inactive
(open-drain). Conversely, when the interrupt B is configured for active high, it is driven high for active and driven low
for inactive.
2.20.29 Video Standard Register
Address
28h
Default
00h
7
6
5
4
3
2
1
0
Reserved
Video standard
Video standard:
0000 = Autoswitch mode (default)
0001 = Reserved
0010 = (M) NTSC ITU-R BT.601
0011 = Reserved
0100 = (B, G, H, I, N) PAL ITU-R BT.601
0101 = Reserved
0110 = (M) PAL ITU-R BT.601
0111 = Reserved
1000 = (Combination-N) PAL ITU-R BT.601
1001 = Reserved
1010 = NTSC 4.43 ITU-R BT.601
1011 = Reserved
1100 = SECAM ITU-R BT.601
With the autoswitch code running, the user can force the device to operate in a particular video standard mode and
sample rate by writing the appropriate value into this register.
2.20.30 Cb Gain Factor Register
Address
2Ch
7
6
5
4
3
2
1
0
Cb gain factor
This is a read-only register that provides the gain applied to the Cb in the YCbCr data stream.
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