
29
TABLE 19. SLICED VBI DATA OUTPUT REGISTER
SUB ADDRESS = 0B
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7
Sliced
Closed Caption
BT.656 Output
Enable
This bit specifies whether or not to output the caption data registers as BT.656 ancillary
data. It is ignored unless captioning is enabled. Access via the I
2
C interface is always
available.
0 = Do not output as BT.656 ancillary data
1 = Output as BT.656 ancillary data
0
B
6
Sliced WSS
BT.656 Output
Enable
This bit specifies whether or not to output the WSS data registers as BT.656 ancillary
data. It is ignored unless WSS is enabled. Access via the I
2
C interface is always available.
0 = Do not output as BT.656 ancillary data
1 = Output as BT.656 ancillary data
0
B
5
Sliced Teletext
BT.656 Output
Enable
This bit specifies whether or not to output teletext data as BT.656 ancillary data. It is ig-
nored unless teletext is enabled.
0 = Do not output as BT.656 ancillary
1 = Output as BT.656 ancillary data
0
B
4-1
Reserved
0000
B
0
RTCI
BT.656 Output
Enable
This bit specifies whether or not to output RTCI data as BT.656 ancillary data.
0 = Do not output as BT.656 ancillary
1 = Output as BT.656 ancillary data
0
B
TABLE 20. VBI DATA STATUS REGISTER
SUB ADDRESS = 0C
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7
Closed Captioning
Odd Field
Detect Status
This bit is read-only. Data written to this bit is ignored.
0 = Closed captioning not detected
1 = Closed captioning detected
0
B
6
Closed Captioning
Even Field
Detect Status
This bit is read-only. Data written to this bit is ignored.
0 = Closed captioning not detected
1 = Closed captioning detected
0
B
5
WSS
Odd Field
Detect Status
This bit is read-only. Data written to this bit is ignored.
0 = WSS not detected
1 = WSS detected
0
B
4
WSS
Even Field
Detect Status
This bit is read-only. Data written to this bit is ignored.
0 = WSS not detected
1 = WSS detected
0
B
3
VBI Teletext
Detect Status
This bit is read-only. Data written to this bit is ignored.
0 = Teletext not detected during vertical blanking interval
1 = Teletext detected during vertical blanking interval
0
B
2-0
Reserved
000
B
HMP8116