MC44725AVFU Freescale Semiconductor, MC44725AVFU Datasheet - Page 40

• Manufacturer Part Number: MC44725AVFU
• Manufacturer: Freescale Semiconductor

Specifications of MC44725AVFU

• Lead Free Status / Rohs Status: Not Compliant

Sub-address 83~84 :closed caption characters/extended data for Field1(Line21) (write)
Sub-address 85~86 :closed cation character/extended data for Field2(Line284)
-40IRE
50IRE
sub-address 80, 81, 82, 83, 84, 85 and 86 (previous frame data)
are double-buffered by Frame sync falling edge
0IRE
Note : This Closed Caption wafeform is defined by when the register $72 [3] = "1" is set.
Fsync
Second byte to Encode
Second byte to Encode
First byte to Encode
First byte to Encode
10.50 S
Register 83
Register 84
Register 85
Register 86
This document contains information on a new product. Specifications and information herein are subject to change without notice.
MSB
MSB
MSB
MSB
parity
parity
parity
ccp118
ccp128
ccp218
parity
ccp228
Field 1
12.91 S
For More Information On This Product,
Fig 26 : Closed caption wave form
ccb117
ccb127
ccb217
ccb227
Fig 27 : VBI data update timing
b7
b7
b7
b7
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4.15 S
ccb116
ccb126
ccb216
ccb226
No.
b6
b6
b6
b6
40
CHARACTER1
b
1
ccb115
ccb125
b
2
ccb215
ccb225
b5
b5
b5
b
3
b5
b
4
b
5
b
6
33.764 S
ccb224
b
7
ccb114
ccb124
ccb214
p
a
r
i
t
y
b4
b4
b4
CHARACTER2
b4
b
1
b
2
Field 2
b
3
b
4
ccb113
ccb123
ccb213
ccb223
b
5
b3
b3
b3
b3
b
6
b
7
p
a
r
i
t
y
MC44724A/5A Rev 0.05 07/15/98
ccb112
ccb122
ccb212
ccb222
b2
b2
b2
b2
ccb111
ccb121
ccb211
ccb221
b1
b1
b1
b1
LSB
LSB
LSB
LSB
50IRE
0IRE