HMP8116 Datasheet, PDF (29/43 Pages) Intersil Corporation – NTSC/PAL Video Decoder

HMP8116
TABLE 19. SLICED VBI DATA OUTPUT REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 0B_H
DESCRIPTION
RESET
STATE
7
Sliced
Closed Caption
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 I²C interface is always
0_B
BT.656 Output
available.
Enable
0 = Do not output as BT.656 ancillary data
1 = Output as BT.656 ancillary data
6
Sliced WSS
This bit specifies whether or not to output the WSS data registers as BT.656 ancillary
0_B
BT.656 Output
data. It is ignored unless WSS is enabled. Access via the I²C interface is always available.
Enable
0 = Do not output as BT.656 ancillary data
1 = Output as BT.656 ancillary data
5
Sliced Teletext
This bit specifies whether or not to output teletext data as BT.656 ancillary data. It is ig-
0_B
BT.656 Output
nored unless teletext is enabled.
Enable
0 = Do not output as BT.656 ancillary
1 = Output as BT.656 ancillary data
4-1
Reserved
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
0000_B
0_B
TABLE 20. VBI DATA STATUS REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 0C_H
DESCRIPTION
RESET
STATE
7
Closed Captioning This bit is read-only. Data written to this bit is ignored.
0_B
Odd Field
0 = Closed captioning not detected
Detect Status
1 = Closed captioning detected
6
Closed Captioning This bit is read-only. Data written to this bit is ignored.
0_B
Even Field
0 = Closed captioning not detected
Detect Status
1 = Closed captioning detected
5
WSS
This bit is read-only. Data written to this bit is ignored.
0_B
Odd Field
0 = WSS not detected
Detect Status
1 = WSS detected
4
WSS
This bit is read-only. Data written to this bit is ignored.
0_B
Even Field
0 = WSS not detected
Detect Status
1 = WSS detected
3
VBI Teletext
This bit is read-only. Data written to this bit is ignored.
0_B
Detect Status
0 = Teletext not detected during vertical blanking interval
1 = Teletext detected during vertical blanking interval
2-0
Reserved
000_B
29