HMP8117_07 Datasheet, PDF (27/45 Pages) Intersil Corporation – NTSC/PAL Video Decoder

HMP8117
TABLE 20. SLICED VBI DATA OUTPUT REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 0B_H
DESCRIPTION
7
Sliced Closed
If set to “1”, this bit enables output of sliced closed captioning via BT.656 ancillary data.
Caption BT.656
Output
Closed
Access
captioning must be enabled by the Sliced
via the I²C interface is always available.
VBI
Data
Enable
register
0A_H.
Enable
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 I²C interface is always available.
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 I²C interface.
4-1
Reserved
0
RTCI BT.656
Output Enable
If set to “1”, this bit enables output of RTCI data as BT.656 ancillary data.
TABLE 21. VBI DATA STATUS REGISTER
BIT
NO.
FUNCTION
SUB ADDRESS = 0C_H
DESCRIPTION
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.
6
CC Even Field
This bit is read-only. Data written to this bit is ignored.
Detect Status
If set to “1”, Closed Captioning (CC) data is detected on the even field.
5
WSS Odd Field
This bit is read-only. Data written to this bit is ignored.
Detect Status
If set to “1”, Wide Screen Signalling (WSS) data is detected on the odd field.
4
WSS Even Field This bit is read-only. Data written to this bit is ignored.
Detect Status
If set to “1”, Wide Screen Signalling (WSS) data is detected on the even field.
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.
2-0
Reserved
RESET
STATE
0_B
0_B
0_B
0000_B
0_B
RESET
STATE
0_B
0_B
0_B
0_B
0_B
000_B
27
FN4643.3
April 19, 2007