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參數(shù)資料
| 型號： | HMP8190EVAL1 |
| 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(shù)： | 10/32頁 |
| 文件大?。?/td> | 227K |
| 代理商： | HMP8190EVAL1 |
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TABLE 6. BT.656 ANCILLARY DATA FORMAT FOR CLOSED CAPTIONING DATA
PIXEL INPUT
Preamble 1
Preamble 2
Preamble 3
Data ID
Data Block Number
Data Word Count
Caption Register Byte 3
Caption Register Byte 1
Caption Register Byte 1
Caption Register Byte 0
CRC
NOTE:
The even parity (EP and EP#) bits are ignored.
Line = Data Register Select: 0 = Line 21; 1 = 284.
X = Don’t Care.
P15
0
1
1
ep#
ep#
ep#
ep#
ep#
ep#
ep#
P14#
P14
0
1
1
ep
ep
ep
ep
ep
ep
ep
X
P13
0
1
1
1
0
0
0
0
0
0
X
P12
0
1
1
1
0
0
0
0
0
0
X
P11
0
1
1
0
0
0
bit 15
bit 11
bit 7
bit 3
X
P10
0
1
1
0
0
0
bit 14
bit 10
bit 6
bit 2
X
P9
0
1
1
0
0
0
P8
0
1
1
Line
1
1
bit 12
bit 8
bit 4
bit 0
X
bit 13
bit 9
bit 5
bit 1
X
TABLE 7. CLOSED CAPTIONING MODES
CLOSED
CAPTIONING
ENABLE BITS
OUTPUT LINE(S)
CAPTIONING REGISTER
WRITE STATUS BIT
284A
284B
21A
21B
284
21
00
None
Ignored
Ignored
Always 1
Always 1
01
21 (NTSC)
18 (M PAL)
22 (Other PAL)
Ignored
Caption Data
Always 1
0 = Loaded
1 = Output
10
284 (NTSC)
281 (M PAL)
335 (Other PAL)
Caption Data
Ignored
0 = Loaded
1 = Output
Always 1
11
21, 284 (NTSC)
18, 281 (M PAL)
22, 335 (Other PAL)
Caption Data
Caption Data
0 = Loaded
1 = Output
0 = Loaded
1 = Output
TABLE 8. BT.656 ANCILLARY DATA FORMAT FOR WIDESCREEN SIGNALLING DATA
PIXEL INPUT
P15
P14
P13
P12
P11
P10
P9
P8
Preamble 1
0
0
0
0
0
0
0
0
Preamble 2
1
1
1
1
1
1
1
1
Preamble 3
1
1
1
1
1
1
1
1
Data ID
ep#
ep
1
1
0
0
1
Line
Data Block Number
ep#
ep
0
0
0
0
0
1
Data Word Count
ep#
ep
0
0
0
0
1
0
WSS Data Nibble 3
ep#
ep
0
0
0
0
bit 13
bit 12
WSS Data Nibble 2
ep#
ep
0
0
bit 11
bit 10
bit 9
bit 8
WSS Data Nibble 1
ep#
ep
0
0
bit 7
bit 6
bit 5
bit 4
WSS Data Nibble 0
ep#
ep
0
0
bit 3
bit 2
bit 1
bit 0
WSS CRC Nibble 1
ep#
ep
0
0
0
0
bit 5
bit 4
WSS CRC Nibble 0
ep#
ep
0
0
bit 3
bit 2
bit 1
bit 0
Reserved
ep#
ep
0
0
0
0
0
0
Reserved
ep#
ep
0
0
0
0
0
0
CRC
P14#
X
X
X
X
X
X
X
NOTE:
The even parity (EP and EP#) bits are ignored.
Line = Data Register Select: 0 = Line 20; 1 = 283.
The WSS CRC data bits are ignored during PAL operation but must be included in the transfer.
X = Don’t Care.
HMP8190, HMP8191
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