hmp8190 Intersil Corporation, hmp8190 Datasheet - Page 16

• Manufacturer Part Number: hmp8190
• Description: Ntsc/pal Video Encoder
• Manufacturer: Intersil Corporation

NUMBER
NUMBER
NUMBER
BIT
BIT
BIT
7-6
5-4
3-0
3-0
7-5
7
6
5
4
4
3
2
Closed Captioning
Enable
WSS Enable
Reserved
Closed Caption
Line 21
BT.656 Enable
Closed Caption
Line 284
BT.656 Enable
WSS Line 20
BT.656 Enable
WSS Line 283
BT.656 Enable
Reserved
Reserved
Closed Caption
Line 21
Write Status
Closed Caption
Line 284
Write Status
WSS
Line 20
Write Status
FUNCTION
FUNCTION
FUNCTION
16
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, NC) 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, NC) PAL
11 = Closed caption enabled for both odd and even fields
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, NC) 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, NC) PAL
11 = WSS enabled for both odd and even fields
Setting this bit enables BT.656 ancillary data to be written into the closed caption line 21 data
registers. It is ignored unless in the BT.656 input mode.
0 = Ignore BT.656 ancillary data
1 = Use BT.656 ancillary data
Setting this bit enables BT.656 ancillary data to be written into the closed caption line 284 data
registers. It is ignored unless in the BT.656 input mode.
0 = Ignore BT.656 ancillary data
1 = Use BT.656 ancillary data
Setting this bit enables BT.656 ancillary data to be written into the WSS line 20 data registers.
It is ignored unless in the BT.656 input mode.
0 = Ignore BT.656 ancillary data
1 = Use BT.656 ancillary data
Setting this bit enables BT.656 ancillary data to be written into the WSS line 283 data registers.
It is ignored unless in the BT.656 input mode.
0 = Ignore BT.656 ancillary data
1 = Use BT.656 ancillary data
0 = Caption_21A and Caption_21B data registers contain unused data
1 = Data has been output, host processor may now write to the registers
0 = Caption_284A and Caption_284B data registers contain unused data
1 = Data has been output, host processor may now write to the registers
0 = WSS_20A, WSS_20B, CRC_20A, and CRC_20B data registers contain
unused data
1 = Data has been output, host processor may now write to the registers
TABLE 18. AUXILIARY DATA ENABLE REGISTER
TABLE 20. HOST CONTROL REGISTER 1
TABLE 19. VBI DATA INPUT REGISTER
HMP8190, HMP8191
SUB ADDRESS = 0E
SUB ADDRESS = 06
SUB ADDRESS = 07
DESCRIPTION
DESCRIPTION
DESCRIPTION
H
H
H
RESET
RESET
RESET
STATE
STATE
STATE
0000
0000
000
00
00
0
0
0
0
1
1
1
B
B
B
B
B
B
B
B
B
B
B
B