參數(shù)資料
型號: TVP5154AIPNP
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP128
封裝: PLASTIC, HTQFP-128
文件頁數(shù): 9/92頁
文件大小: 1089K
代理商: TVP5154AIPNP
www.ti.com
SLES214C – DECEMBER 2007 – REVISED SEPTEMBER 2010
3.14 Embedded Syncs
Standards with embedded syncs insert SAV and EAV codes into the data stream at the beginning and end
of horizontal blanking. These codes contain the V and F bits that also define vertical timing. F and V
change on EAV. Table 3-4 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. See ITU-R BT.656 for more information on embedded
syncs.
The P bits are protection bits:
P3 = V x or
H P2 = F x or
H P1 = F x or
V P0 = F x or
V x or H
Table 3-4. 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
The status word may be modified to pass information about whether the current data corresponds to
scaled or unscaled data. See register 1Fh for more information.
Copyright 2007–2010, Texas Instruments Incorporated
Functional Description
17
Product Folder Link(s): TVP5154A
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