AK8857VQ Datasheet, PDF (95/105 Pages) Asahi Kasei Microsystems – Dual Channel Digital Video Decoder

[AK8857VQ]
Request VBI Infomation A Register (R/W) [Sub Address 0x18] (A block register)
Request VBI Infomation B Register (R/W) [Sub Address 0x30] (B block register)
Data decode request during VBI interval setting register.
Sub Address 0x18, 0x30
bit 7
bit 6
bit 5
Reserved Reserved Reserved
Default Value
0
0
0
bit 4
Reserved
0
bit 3
WSSRQA
WSSRQB
0
bit 2
VBIDRQA
VBIDRQB
0
Default Value: 0x00
bit 1
bit 0
EXTRQA CCRQA
EXTRQB CCRQB
0
0
Request VBI Infomation A/B Register Definition
Bit Register Name
bit 0 CCRQA/B
Closed Caption
Decode Request_A/B
bit 1 EXTRQA/B
Extended Data
Decode Request_A/B
bit 2 VBIDRQA/B
VBID Decode Request_A/B
bit 3 WSSRQA/B
WSS Decode Request_A/B
bit 4
~ Reserved
bit 7
Reserved
R/W Definition
Setting (ON/OFF) for closed caption
decode request
R/W _{[0] : No request (OFF)}
[1] : Request (ON)
Setting (ON/OFF) for Extended Data
decode request
R/W _{[0] : No request (OFF)}
[1] : Request (ON)
Setting (ON/OFF) for VBID
decode request
R/W _{[0] : No request (OFF)}
[1] : Request (ON)
Setting (ON/OFF) for WSS
decode request
R/W _{[0] : No request (OFF)}
[1] : Request (ON)
R/W Reserved
MS1189-E-01
-95-
2010/12