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参数资料
| 型号： | LC7851E |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | QFP-64 |
| 文件页数： | 4/9页 |
| 文件大小： | 165K |
| 代理商： | LC7851E |
No. 5691-4/9
LC7851E
Continued from preceding page.
Pin No.
Pin
I/O
Function
22
VVSS
I
Internal VCO ground
23
VVDD
I
Internal VCO power supply
24
(N.C)
25
PVDD
I
Phase comparator power supply
26
PHCNT
O
Phase comparator output
27
PVSS
I
Phase comparator ground
28
(N.C)
29
VDD
I
Oscillator circuit power supply
30
XI1
I
Crystal oscillator (22.909088 MHz) input
31
XO1
O
Crystal oscillator (22.909088 MHz) output
32
VSS
I
Oscillator circuit ground
33
DVSS
I
Digital system ground
34
DADO
O
Digital audio interface output
35
(N.C)
36
(N.C)
37
(N.C)
38
(N.C)
39
(N.C)
40
TEST1
I
Test pin
41
TEST2
I
Test pin
42
DVDD
I
Digital system power supply
43
CVSS
I
Internal D/A converter ground
44
AOUTL
O
Left channel audio data output
45
REFL
O
Internal D/A converter reference voltage: low
46
REFH
O
Internal D/A converter reference voltage: high
47
AOUTR
O
Right channel audio data output
48
CVDD
I
Internal D/A converter power supply
49
RST
I
Reset input
50
MUTI
I
Forced muting input
51
MUTO
O
Mute detection output (When muting detected: high)
52
MOD
O
Audio mode detection output (A mode: low, B mode: high)
53
LOIN
O
Frame synchronization detection output (When synchronized: low)
54
ERR
O
Error detection output (Error detected: high)
55
REQ
O
Host CPU readout request signal
56
SDA
I/O
I2C bus data I/O
57
SCL
I
I2C bus clock input
58
DVSS
I
Digital system ground
59
DSTRI2
I
Data stream input 2/general-purpose I/O port
60
DSTRI1
I
Data stream input 1/general-purpose I/O port
61
DSTRO
O
Data stream output (post-error correction data)
62
DASL
I
Descrambler interface switching
63
FRM
O
Frame synchronization signal
64
CK2M
O
Bit stream clock (2.048 MHz)
Caution: All NC pins must be left open.
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