AK8859VQ Datasheet, PDF (51/73 Pages) Asahi Kasei Microsystems – NTSC/PAL/SECAM Digital Video Decoder

[AK8859VQ]
[9.1.5.] Sub Address 0x04 “Output Format Register (R/W)”
Output data format setting register.
Sub Address: 0x04
bit 7
bit 6
VBIDEC1
VBIDEC0
Default Value
0
0
bit 5
SLLVL
bit 4
TRSVSEL
0
0
bit 3
LIMIT601
0
bit 2
VBIL2
Default Value: 0x00
bit 1
bit 0
VBIL1 VBIL0
0
0
0
Output Format Register Definition
Bit ^Register
R/W
Name
bit 0 VBIL0
~
~
bit 2 VBIL2
Vertical
Blanking
R/W
Length
Definition
Vertical blanking interval length setting, entered as difference
from the default settings
The default settings are:
525LINE: Line1 ~ Line19 / Line263.5 ~ Line282.5
625LINE: Line623.5 ~ Line23.5 / Line311 ~ Line335
Examples of lengthening and shortening:
If lengthened 1 line, the interval becomes
525LINE: Line1 ~ Line20 / Line263.5 ~ Line283.5
625LINE: Line623.5 ~ Line24.5 / Line311 ~ Line336
If shortened 1 line, the interval becomes
525LINE: Line1 ~ Line18 / Line263.5 ~ Line281.5
625LINE: Line623.5 ~ Line22.5 / Line311 ~ Line334
bit 3 LIMIT601
601 Output
Limit
[ VBIL2 : VBIL0 ]
[001]: VBI lengthened 1 line
[010]: VBI lengthened 2 lines
[011]: VBI lengthened 3 lines
[000]: Default
[101]: VBI shortened 3 lines
[110]: VBI shortened 2 lines
[111]: VBI shortened 1 line
[100]: Reserved
Output data code limit (Min-Max) setting
R/W [0]: 1-254 (Y/Cb/Cr)
[1]: 16-235 (Y) / 16-240 (Cb/Cr)
Setting of lines for “Time reference signal” V-bit value change in
ITU-R BT.656 format
Time
bit 4 TRSVSEL ^Reference
Signal
V Select
525-LINE input
If setting [0]:
R/W V=1 (Line1 ~ Line9 / Line264 ~ Line272)
V=0 (Line10 ~ Line263 / Line273 ~ Line525)
If setting [1]:
V=1 (Line1 ~ Line19 / Line264 ~ Line282)
V=0 (Line20 ~ Line263 / Line283 ~ Line525)
MS1178-E-00
AKM Confidential
- 51 -
2010/04