參數(shù)資料
型號: TVP5150APBSR
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: GREEN, PLASTIC, TQFP-32
文件頁數(shù): 10/74頁
文件大?。?/td> 439K
代理商: TVP5150APBSR
28
HSYNC
AVID Start
AVID Stop
VBLK
Stop
VBLK
Start
VSYNC
AVID Cropped
Area
Active Video Area
Figure 24. AVID Application
2.14 Embedded Syncs
Standards with embedded syncs insert SAV and EAV codes into the datastream at the beginning and end of horizontal
blanking. These codes contain the V and F bits which also define vertical timing. F and V change on EAV. Table 24
gives the format of the SAV and EAV codes.
H equals 1 always indicates EAV. H equals 0 always indicates SAV. The alignment of V and F to the line and field
counter varies depending on the standard. Please refer to ITU-R BT.656 for more information on embedded syncs.
The P bits are protection bits:
P3 = V xor H
P2 = F xor H
P1 = F xor V
P0 = F xor V xor H
Table 24. EAV and SAV Sequence
8-BIT DATA
D7 (MSB)
D6
D5
D4
D3
D2
D1
D0
Preamble
1
Preamble
0
Preamble
0
Status word
1
F
V
H
P3
P2
P1
P0
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