參數(shù)資料
型號(hào): TVP5031PFP
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號(hào)轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: POWER, PLASTIC, TQFP-80
文件頁數(shù): 64/92頁
文件大?。?/td> 415K
代理商: TVP5031PFP
2–51
2.11.36 Status Register 5
Address
88h
7
6
5
4
3
2
1
0
Autoswitch
mode
Reserved
Video Standard
Sampling Rate
This register contains information about the detected video standard and the sampling rate at which the device is
currently operating. When autoswitch code is running, this register must be tested to determine which video standard
has been detected.
Autoswitch mode:
0 = Stand-alone (forced video standard) mode
1 = Autoswitch mode
Video standard:
000 =
(M) NTSC
001 =
(B, G, H, I) PAL
010 =
(M) PAL
011 =
(Combination-N) PAL
100 =
NTSC 4.43
101–111 = Reserved
Sampling rate:
0 = Squire pixel
1 = ITU–BT.601
2.11.37 Vertical Line Count MSB
Address
89h
7
6
5
4
3
2
1
0
Reserved
Vertical Line Count MSB
Vertical line count MSB:
Vertical line count bits [9:8]
2.11.38 Vertical Line Count LSB
Address
8Ah
7
6
5
4
3
2
1
0
Vertical Line Count LSB
Vertical line count LSB:
Vertical line count bits [7:0]
These registers 89h and 8Ah can be read and combined to extract the current vertical line count. This can be used
with nonstandard video signals such as a VCR in fast-forward or rewind modes to synchronize downstream video
circuitry.
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