Datasheet

TVP5151
www.ti.com SLES241E–SEPTEMBER 2009– REVISED OCTOBER 2011
3.21.17 Active Video Cropping Start Pixel LSB Register
Address 12h
Default 00h
7 6 5 4 3 2 1 0
Reserved AVID active AVID start pixel LSB [1:0]
AVID active
0 = AVID out active in VBLK (default)
1 = AVID out inactive in VBLK
Active video cropping start pixel LSB [1:0]: The TVP5151 decoder updates the AVID start values only
when this register is written to.
AVID start [9:0] (combined registers 11h and 12h)
01 1111 1111 = 511
00 0000 0001 = 1
00 0000 0000 = 0 (default)
11 1111 1111 = –1
10 0000 0000 = –512
3.21.18 Active Video Cropping Stop Pixel MSB Register
Address 13h
Default 00h
7 6 5 4 3 2 1 0
AVID stop pixel MSB [9:2]
Active video cropping stop pixel MSB [9:2], set this register first before setting the register 14h. The
TVP5151 decoder updates the AVID stop values only when register 14h is written to. This stop pixel value
is relative to the default values of the AVID stop pixel.
3.21.19 Active Video Cropping Stop Pixel LSB Register
Address 14h
Default 00h
7 6 5 4 3 2 1 0
Reserved AVID stop pixel LSB
Active video cropping stop pixel LSB [1:0]: The number of pixels of active video must be an even number.
The TVP5151 decoder updates the AVID stop values only when this register is written to.
AVID stop [9:0] (combined registers 13h and 14h)
01 1111 1111 = 511
00 0000 0001 = 1
00 0000 0000 = 0 (default) (see Figure 3-6 and Figure 3-7)
11 1111 1111 = –1
10 0000 0000 = –512
Copyright © 2009–2011, Texas Instruments Incorporated Functional Description 41
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