参数资料
型号: TVP5150AM1MPBSREP
厂商: TEXAS INSTRUMENTS INC
元件分类: 颜色信号转换
英文描述: COLOR SIGNAL DECODER, PQFP32
封装: PLASTIC, TQFP-32
文件页数: 13/79页
文件大小: 896K
代理商: TVP5150AM1MPBSREP
NTSC 601
1436
PAL 601
1436
ITU 656
Datastream
Cb
359
1437
Y
718
1438
Cr
359
1439
Y
719
1440
FF
1441
00
1455
1459
10
1456
1460
80
HSYNC
AVID
ITU-R BT.656 Timing
1583
1587
10
1584
1588
80
1711
1723
10
1712
1724
FF
1713
1725
00
1714
1726
00
1715
1727
XX
0
Cb
0
1
Y
0
2
Cr
0
3
Y
1
AVID Stop
AVID Start
HSYNC Start
SECAM
1436
1437
1438 1439 1440 1441
1479 1480
1607 1608
1719 1720 1721 1722 1723
17
24
17
25
17
26
17
27
3.13 Active Video (AVID) Cropping
TVP5150AM1-EP
Ultralow-Power NTSC/PAL/SECAM Video Decoder
SLES213 – MAY 2008
www.ti.com
A.
AVID rising edge occurs four SCLK cycles early when in the ITU-R BT.656 output mode.
Figure 3-3. Horizontal Synchronization Signals
AVID cropping provides a means to decrease bandwidth of the video output. This is accomplished by
horizontally blanking a number of AVID pulses and by vertically blanking a number of lines per frame. The
horizontal AVID cropping is controlled using registers 11h and 12h for start pixels MSB and LSB,
respectively.
Registers 13h and 14h provide access to stop pixels MSB and LSB, respectively. The vertical AVID
cropping is controlled using the vertical blanking (VBLK) start and stop registers at addresses 18h and
19h. Figure 3-4 shows an AVID application.
Functional Description
20
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