参数资料
型号: TVP5146M2PFPR
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP80
封装: GREEN, PLASTIC, HTQFP-80
文件页数: 33/107页
文件大小: 949K
代理商: TVP5146M2PFPR
NTSC 601
64
PAL 601
10-Bit (PCLK = 2
Pixel Clock)
64
Mode
B/2
First Field
B/2
858
864
H/2
32
20-Bit (PCLK = 1
Pixel Clock)
32
B/2
429
432
H/2
HS
VS
Second Field
HS
VS
B/2
H/2 + B/2
SLES141G
– JULY 2005 – REVISED APRIL 2011
Figure 2-18. VSYNC Position With Respect to HSYNC
2.5.3
Embedded Syncs
Standards with embedded syncs insert the SAV and EAV codes into the data stream on the rising and
falling edges of AVID. These codes contain the V and F bits, which also define vertical timing. Table 2-3
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.
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 2-3. EAV and SAV Sequence
D9 (MSB)
D8
D7
D6
D5
D4
D3
D2
D1
D0
Preamble
1
Preamble
0
Preamble
0
Status word
1
F
V
H
P3
P2
P1
P0
0
Copyright
2005–2011, Texas Instruments Incorporated
Functional Description
31
Product Folder Link(s): TVP5146M2
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