Datasheet

44
SLES084C − August 2007TVP5146
2.11.21 AVID Stop Pixel Register
Subaddress 18h–19h
Default 325h
Subaddress 7 6 5 4 3 2 1 0
18h AVID stop [7:0]
19h Reserved AVID stop [9:8]
AVID stop [9:0]: AVID stop pixel number. The number of pixels of active video must be an even
number. This is an absolute pixel location from HSYNC start pixel 0.
NTSC 601
NTSC Sqp PAL 601 PAL Sqp
default 805 (325h) 726 (2D6h) 808 (328h) 696 (2B8h)
The TVP5146 decoder updates the AVID stop only when the AVID stop MSB byte is written to. If
the user changes these registers, then the TVP5146 decoder retains values in different modes
until this decoder resets. The AVID start pixel register also controls the position of the EAV code.
2.11.22 HSYNC Start Pixel Register
Subaddress 1Ah–1Bh
Default 000h
Default (000h)
Subaddress 7 6 5 4 3 2 1 0
1Ah HSYNC start [7:0]
1Bh Reserved HSYNC start [9:8]
HSYNC start pixel [9:0]: This is an absolute pixel location from HSYNC start pixel 0.
The TVP5146 decoder updates the HSYNC start only when the HSYNC start MSB byte is
written to. If the user changes these registers, then the TVP5146 decoder retains values in
different modes until this decoder resets.
2.11.23 HSYNC Stop Pixel Register
Subaddress 1Ch–1Dh
Default 040h
Subaddress 7 6 5 4 3 2 1 0
1Ch HSYNC stop [7:0]
1Dh Reserved HSYNC stop [9:8]
HSYNC stop [9:0]: This is an absolute pixel location from HSYNC start pixel 0.
The TVP5146 decoder updates the HSYNC stop only when the HSYNC Stop MSB byte is
written to. If the user changes these registers, then the TVP5146 decoder retains values in
different modes until this decoder resets.