21 vsync stop line register, 22 vblk start line register, 23 vblk stop line register – Texas Instruments TVP5147M1PFP User Manual
Page 47: 24 cti delay register
Functional Description
39
SLES140A—March 2007
TVP5147M1PFP
2.11.21 VSYNC Stop Line Register
Subaddress
20h−21h
Default
007h
Subaddress
7
6
5
4
3
2
1
0
20h
VSYNC stop [7:0]
21h
Reserved
VSYNC stop [9:8]
VSYNC stop [9:0]: This is an absolute line number. The TVP5147M1 decoder updates the VSYNC stop only
when the VSYNC stop MSB is written to. If the user changes these registers, the TVP5147M1 decoder retains
values in different modes until this decoder resets.
NTSC: default 007h PAL: default 004h
2.11.22 VBLK Start Line Register
Subaddress
22h−23h
Default
001h
Subaddress
7
6
5
4
3
2
1
0
22h
VBLK start [7:0]
23h
Reserved
VBLK start [9:8]
VBLK start [9:0]: This is an absolute line number. The TVP5147M1 decoder updates the VBLK start line only
when the VBLK start MSB is written to. If the user changes these registers, the TVP5147M1 decoder retains
values in different modes until this resets (see Section 2.11.16)
NTSC: default 001h PAL: default 623 (26Fh)
2.11.23 VBLK Stop Line Register
Subaddress
24h−25h
Default
015h
Subaddress
7
6
5
4
3
2
1
0
24h
VBLK stop [7:0]
25h
Reserved
VBLK stop [9:8]
VBLK stop [9:0]: This is an absolute line number. The TVP5147M1 decoder updates the VBLK stop only when
the VBLK stop MSB is written to. If the user changes these registers, then the TVP5147M1 decoder retains
values in different modes until this device resets (see Section 2.11.16).
NTSC: default 21 (015h) PAL: default 23 (017h)
2.11.24 CTI Delay Register
Subaddress
2Dh
Default
00h
7
6
5
4
3
2
1
0
Reserved
CTI delay [2:0]
CTI delay [2:0]: Sets the delay of the Y channel with respect to Cb/Cr in the CTI block
011 = 3-pixel delay
001 = 1-pixel delay
000 = 0 delay (default)
111 = −1-pixel delay
100 = −4-pixel delay