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27
FN4643.3
April 19, 2007
TABLE 20. SLICED VBI DATA OUTPUT REGISTER
SUB ADDRESS = 0B
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7
Sliced Closed
Caption BT.656
Output
Enable
If set to “1”, this bit enables output of sliced closed captioning via BT.656 ancillary data.
Closed captioning must be enabled by the Sliced VBI Data Enable register 0A
H
.
Access via the I
2
C interface is always available.
0
B
6
Sliced WSS
BT.656 Output
Enable
If set to “1”, this bit enables output of sliced WSS via BT.656 ancillary data.
WSS must be enabled by the Sliced VBI Data Enable register 0A
H
.
Access via the I
2
C interface is always available.
0
B
5
Sliced Teletext
BT.656 Output
Enable
If set to “1”, this bit enables output of sliced teletext via BT.656 ancillary data.
Teletext data is not available via the I
2
C interface.
0
B
4-1
Reserved
0000
B
0
RTCI BT.656
Output Enable
If set to “1”, this bit enables output of RTCI data as BT.656 ancillary data.
0
B
TABLE 21. VBI DATA STATUS REGISTER
SUB ADDRESS = 0C
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7
CC Odd Field
Detect Status
This bit is read-only. Data written to this bit is ignored.
If set to “1”, Closed Captioning (CC) data is detected on the odd field.
0
B
6
CC Even Field
Detect Status
This bit is read-only. Data written to this bit is ignored.
If set to “1”, Closed Captioning (CC) data is detected on the even field.
0
B
5
WSS Odd Field
Detect Status
This bit is read-only. Data written to this bit is ignored.
If set to “1”, Wide Screen Signalling (WSS) data is detected on the odd field.
0
B
4
WSS Even Field
Detect Status
This bit is read-only. Data written to this bit is ignored.
If set to “1”, Wide Screen Signalling (WSS) data is detected on the even field.
0
B
3
VBI Teletext
Detect Status
This bit is read-only. Data written to this bit is ignored.
If set to “1”, Teletext data is detected during the vertical blanking interval.
0
B
2-0
Reserved
000
B
HMP8117