參數(shù)資料
型號(hào)： MC44725VFU
廠商： Motorola, Inc.
英文描述： Digital Video Encoder
中文描述： 數(shù)字視頻編碼器
文件頁(yè)數(shù)： 35/39頁(yè)
文件大?。?/td> 518K
代理商： MC44725VFU
MC44724/5 Rev 0.21 03/25/97
No.
This document contains information on a new product. Specifications and information herein are subject to change without notice.
Sub-address 83~84 :closed caption characters/extended data for Field1(Line21) (write)
First byte to Encode
Register 83
Register 84
Register 85
Register 86
ccp118
ccb117
ccb116
ccb115
ccb114
ccb113
ccb112
ccb111
ccp128
ccb127
ccb126
ccb125
ccb124
ccb123
ccb122
ccb121
ccp218
ccb217
ccb216
ccb215
ccb214
ccb213
ccb212
ccb211
ccp228
ccb227
ccb226
ccb225
ccb224
ccb223
ccb222
ccb221
MSB
LSB
MSB
LSB
MSB
LSB
MSB
LSB
Sub-address 85~86 :closed cation character/extended data for Field2(Line284)
Second byte to Encode
First byte to Encode
Second byte to Encode
10.50
}
0.5
é
12.91
é
4.15
}
0.1
é
33.764
é
b
1
b
2
b
3
b
4
b
5
b
6
b
7
p
a
r
i
t
y
b
1
b
2
b
3
b
4
b
5
b
6
b
7
p
a
r
i
t
y
CHARACTER1
CHARACTER2
parity
b7
b6
b5
b4
b3
b2
b1
parity
b7
b6
b5
b4
b3
b2
b1
parity
b7
b6
b5
b4
b3
b2
b1
parity
b7
b6
b5
b4
b3
b2
b1
50IRE
0IRE
50IRE
0IRE
-40IRE
35
Fsync
sub-address 83 & 84 and 85 & 86 (previous frame data)
are double-buffered by Flame sync falling edge
Field 1
Field 2
Fig 20 : Closed caption wave form
Fig 21 : Closed caption data update timing
default 1000_0000
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