AK8857VQ Datasheet, PDF (97/105 Pages) Asahi Kasei Microsystems – Dual Channel Digital Video Decoder

[AK8857VQ]
Status 2 A Register (R) [Sub Address 0x1A] (A block register)
Status 2 B Register (R) [Sub Address 0x32] (B block register)
Sub Address 0x1A, 0x32
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
AGCSTSA REALFLDA WSSDETA VBIDDETA EXTDETA CCDETA
Reserved Reserved
AGCSTSB REALFLDB WSSDETB VBIDDETB EXTDETB CCDETB
Status 2 A/B Register Definition
Bit Register Name
R/W Definition
bit 0 CCDETA/B
Closed Caption Detect_A/B R
bit 1 EXTDETA/B Extended Data Detect_A/B R
bit 2 VBIDDETA/B VBID Data Detect_A/B
R
bit 3 WSSDETA/B WSS Data Detect_A/B
R
bit 4 REALFLDA/B Real Field_A/B
R
bit 5 AGCSTSA/B AGC Status_A/B
R
bit 6
~ Reserved
Reserved
R
bit 7
Indicator for presence of decoded data
in Closed Caption 1 2 Register
[0]: No closed caption data present
[1]: Closed caption Data present
Indicator for presence of decoded data
in Extended Data 1,2 Register
0]: No extended data present
[1]: Extended data present
Indicator for presence of decoded data
in VBID 1,2 Register
[0]: No VBID data present
[1]: VBID data present
Indicator for presence of decoded data
in WSS 1,2 Register
[0]: No WSS data present
[1]: WSS data present
Input signal field status (even/odd) indicator
[0] : EVEN field
[1] : ODD field
[0] : Sync AGC active
[1] : Peak AGC active *
Reserved
MS1189-E-01
-97-
2010/12