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參數資料
| 型號： | HMP8191 |
| 廠商： | Intersil Corporation |
| 英文描述： | NTSC/PAL Video Encoder |
| 中文描述： | NTSC / PAL視頻編碼器 |
| 文件頁數： | 16/32頁 |
| 文件大小： | 227K |
| 代理商： | HMP8191 |
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16
TABLE 18. AUXILIARY DATA ENABLE REGISTER
SUB ADDRESS = 06
H
BIT
NUMBER
FUNCTION
DESCRIPTION
RESET
STATE
7-6
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, 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
B
5-4
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, 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
00
B
3-0
Reserved
0000
B
TABLE 19. VBI DATA INPUT REGISTER
SUB ADDRESS = 07
H
BIT
NUMBER
FUNCTION
DESCRIPTION
RESET
STATE
7
Closed Caption
Line 21
BT.656 Enable
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
0
B
6
Closed Caption
Line 284
BT.656 Enable
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
0
B
5
WSS Line 20
BT.656 Enable
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
0
B
4
WSS Line 283
BT.656 Enable
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
B
3-0
Reserved
0000
B
TABLE 20. HOST CONTROL REGISTER 1
SUB ADDRESS = 0E
H
BIT
NUMBER
FUNCTION
DESCRIPTION
RESET
STATE
7-5
Reserved
000
B
4
Closed Caption
Line 21
Write Status
0 = Caption_21A and Caption_21B data registers contain unused data
1 = Data has been output, host processor may now write to the registers
1
B
3
Closed Caption
Line 284
Write Status
0 = Caption_284A and Caption_284B data registers contain unused data
1 = Data has been output, host processor may now write to the registers
1
B
2
WSS
Line 20
Write Status
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
1
B
HMP8190, HMP8191
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