AK8858 Datasheet, PDF (88/96 Pages) Asahi Kasei Microsystems – PS/SD Multi Format Video Decoder

[9.1.30] Status 2 Register (R) [Sub Address 0x23]
The AK8858 internal status register.
[AK8858]
bit 7
Reserved
bit 6
Reserved
bit 5
AGSTS
bit 4
REALFLD
bit 3
WSSDET
bit 2
VBIDDET
Sub Address: 0x23
bit 1
bit 0
EXTDET CCDET
Status 2 Register
BIT Register Name
bit 0 CCDET
Closed Caption Detect
bit 1 EXTDET
Extended Data Detect
bit 2 VBIDDET
VBID Data Detect
bit 3 WSSDET
bit 4 REALFLD
bit 5 AGCSTS
bit 6
~
Reserved
bit 7
WSS Data Detect
Real Filed
AGC Status bit
Reserved
R/W Definition
Indicator for presence of decoded data
R
in Closed Caption 1/2 Register
0: No closed caption data present
1: Closed caption Data present
Indicator for presence of decoded data
R
in Extended Data 1/2 Register
0: No extended data present
1: Extended data present
Indicator for presence of decoded data
R
in VBID 1/2 Register
0: No VBID data present
1: VBID data present
Indicator for presence of decoded data
R
in WSS 1/2 Register
0: No WSS data present
1: WSS data present
Input signal field status (even/odd) indicator
R
0: EVEN field
1: ODD field
AGC status indicator
R
0: Sync AGC active
1: Peak AGC active
R
Reserved
MS1230-E-00
- 88 -
2010/9