Datasheet

www.ti.com
9.2.34 Video Standard Register
9.2.35 Active Video Cropping Stop Pixel MSB for Scaled Data Register
9.2.36 Active Video Cropping Stop Pixel LSB for Scaled Data Register
TVP5154
4-CHANNEL LOW-POWER PAL/NTSC/SECAM VIDEO DECODER
WITH INDEPENDENT SCALERS AND FAST LOCK
SLES163A – MARCH 2006 – REVISED JULY 2006
Address 28h
Default 00h
7 6 5 4 3 2 1 0
Reserved Video standard
Video standard:
0000 = Autoswitch mode (default)
0001 = Reserved
0010 = (M) NTSC ITU-R BT.601
0011 = Reserved
0100 = (B, G, H, I, N) PAL ITU-R BT.601
0101 = Reserved
0110 = (M) PAL ITU-R BT.601
0111 = Reserved
1000 = (Combination-N) PAL ITU-R BT.601
1001 = Reserved
1010 = NTSC 4.43 ITU-R BT.601
1011 = Reserved
1100 = SECAM ITU-R BT.601
With the autoswitch code running, the user can force the device to operate in a particular video standard
mode and sample rate by writing the appropriate value into this register.
Address 29h
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 2Ah. The
TVP5154 decoder updates the AVID stop values only when register 2Ah is written to. This stop pixel value
is relative to the default values of the AVID stop pixel.
Address 2Ah
Default 00h
7 6 5 4 3 2 1 0
Reserved AVID stop pixel LSB [1:0]
AVID stop [9:0]:
01 1111 1111 = 511
00 0000 0001 = 1
00 0000 0000 = 0 (default) (see Figure 4-1 , Figure 4-2 , and Figure 4-3 )
11 1111 1111 = – 1
10 0000 0000 = – 512
Active video cropping stop pixel LSB [1:0]: The number of pixels of active video must be an even number.
The TVP5154 decoder updates the AVID stop values only when this register is written to.
Submit Documentation Feedback Internal Control Registers 43