AK8850 Datasheet, PDF (88/99 Pages) Asahi Kasei Microsystems – NTSC Digital Video Decoder

ASAHI KASEI
[AK8850]
STATUS 2 REGISTER ( R ) [ SUB ADDRESS 0x21 ]
This register indicates the internal status of the AK8850.
Sub Address 0x21
bit 7
bit 6
APS1
APS0
bit 5
Reserved
bit 4
WSS
Status 2 Register Definition
BIT Register Name
bit 0 ASPECT ASPECT Detect bit
bit 1
CC
Closed Caption detect bit
bit 2
EXT
Extended Renewal bit
bit 3
VBID
VBID Renewal bit
bit 4
bit 5
bit 7
WSS
Reserved
WSS Renewal bit
Reserved bit
bit 3
bit 2
VBID
EXT
bit 1
bit 0
CC
ASPECT
R/W Definition
Status of APSECT signal.
R 0 : Low (Normal )
1 : High (Wide)
Closed Caption Data detect bit
R 0 : Closed Caption is not detected.
1 : Closed Caption is found.
Extended Data detect bit
R 0 : Extended data is not detected.
1 : Extended data is found.
VBID data detect bit
R 0 : VBID data is not detected.
1 : VBID data is found.
WSS Data detect bit.
R 0 : WSS data is not detected.
1 : WSS data is found.
R Reserved
Rev.0
88
2003/01