參數(shù)資料
型號(hào)： TVP5040PFP
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(yè)數(shù)： 79/101頁(yè)
文件大?。?/td> 464K
代理商： TVP5040PFP
2–63
2.13.43 Status Register 5
VIP address
188h
PHI address
88h
I2C address
88h
7
6
5
4
3
2
1
0
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 auto-switch code is running, this register should be tested to determine which video
standard has been detected.
Sampling Rate
0 = ITU–R BT.601
1 = Square pixel
Video Standard
000 =
(M) NTSC
001 =
(B, G, H, I, N) PAL
010 =
(M) PAL
011 =
(Combination-N) PAL
100 =
NTSC 4.43
2.13.44 Vertical Line Count MSB
VIP address
189h
PHI address
89h
I2C 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]
2.13.45 Vertical Line Count LSB
VIP address
18Ah
PHI address
8Ah
I2C 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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