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参数资料
| 型号： | LC74201E |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP128 |
| 封装： | QFP-128 |
| 文件页数： | 17/21页 |
| 文件大小： | 334K |
| 代理商： | LC74201E |
4. CD interfaces
5. Audio D/A converter interface
Note:The four pins making up the audio D/A converter interface all use N-channel open-drain outputs.
6. Video interface
No. 5684-5/21
LC74201E
Pin No.
Symbol
I/O
Logic
Function
71
CDC2P
In
Positive
C2 error flag input (hysteresis input)
Emphasis input (hysteresis input)
70
CDEMPH
In
Positive
73
CDBCK
In
Positive
Serial data bit clock input (hysteresis input)
Serial data input (hysteresis input)
72
CDSD
In
Positive
Left/right clock input (hysteresis input)
74
CDLRCK
In
Positive
Pin No.
Symbol
I/O
Logic
Function
2
BV1
I/O
Positive
Video signal outputs (B/V signals). (Inputs only in test mode.)
1
BV0 (LSB)
I/O
Positive
4
BV3
I/O
Positive
3
BV2
I/O
Positive
Video signal outputs (B/V signals). (Inputs only in test mode.)
Tristate output using DVDD1 (3-V) power supply.
5
BV4
I/O
Positive
7
BV6
I/O
Positive
6
BV5
I/O
Positive
9
GU0 (LSB)
I/O
Positive
Video signal outputs (G/U signals). (Inputs only in test mode.)
Tristate output using DVDD2 (5-V) power supply.
8
BV7 (MSB)
I/O
Positive
10
GU1
I/O
Positive
12
GU3
I/O
Positive
Tristate output using DVDD1 (3-V) power supply.
11
GU2
I/O
Positive
14
GU5
I/O
Positive
Video signal outputs (G/U signals). (Inputs only in test mode.)
13
GU4
I/O
Positive
15
GU6
I/O
Positive
21
RY0 (LSB)
I/O
Positive
Video signal outputs (R/Y signals). (Inputs only in test mode.)
Tristate output using DVDD2 (5-V) power supply.
16
GU7 (MSB)
I/O
Positive
23
RY2
I/O
Positive
22
RY1
I/O
Positive
Tristate output using DVDD1 (3-V) power supply.
24
RY3
I/O
Positive
Pin No.
Symbol
I/O
Logic
Function
78
AUEMPH
Out
Positive
Audio emphasis flag output
Audio data left/right clock output
77
AULRCK
Out
Positive
80
AUBCO
Out
Positive
Audio data bit clock output
Audio data serial output
79
AUDOUT
Out
Positive
Continued on next page.
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