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TABLE 18. SLICED VBI DATA ENABLE REGISTER
SUB ADDRESS = 0A
H
BIT
NO.
FUNCTION
DESCRIPTION
RESET
STATE
7-6
Sliced
Closed Captioning
Enable
00 = Closed caption disabled
01 = Closed caption enabled for odd fields: line 21 for NTSC, line 18 for (M) PAL, or line
22 for (B, D, G, H, I, N, N
C
) PAL
10 = Closed caption enabled for even fields: line 284 for NTSC, line 281 for (M) PAL, or
line 335 for (B, D, G, H, I, N, N
C
) PAL
11 = Closed caption enabled for both odd and even fields
00
B
5-4
Sliced
WSS Enable
00 = WSS disabled
01 = WSS enabled for odd fields: line 20 for NTSC; line 17 for (M) PAL, or line 23 for (B,
D, G, H, I, N, N
C
) PAL
10 = WSS enabled for even fields: line 283 for NTSC, line 280 for (M) PAL, or line 336
for (B, D, G, H, I, N, N
C
) PAL
11 = WSS enabled for both odd and even fields
00
B
3-2
Sliced
Teletext
Enable
00 = Teletext disabled
01 = Teletext system B enabled
10 = Teletext system C enabled
11 = reserved
00
B
1-0
Reserved
00
B
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
HMP8115