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參數(shù)資料
| 型號(hào)： | LC7851E |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | QPSK Demodulation and Audio Signal-Processing IC for Satellite Broadcast Reception |
| 中文描述： | QPSK解調(diào)器和音頻信號(hào)處理集成電路衛(wèi)星廣播接收 |
| 文件頁(yè)數(shù)： | 3/9頁(yè) |
| 文件大?。?/td> | 166K |
| 代理商： | LC7851E |
Pin Assignment
No. 5691-3/9
LC7851E
Pin Functions
Pin No.
Pin
I/O
Function
1
BSTRI
I
Bit stream input
2
BSTRO
O
Bit stream output
3
P7
O
General-purpose output port
4
P6
O
General-purpose output port
5
P5
O
General-purpose output port
6
P4
O
General-purpose output port
7
P3
O
General-purpose output port
8
P2
O
General-purpose output port
9
P1
O
General-purpose output port
10
P0
O
General-purpose output port
11
CK5M
O
Filter adjustment clock output (5.7272 MHz)
12
DV
DD
TSL
I
Digital system power supply
13
I
Output control for the state when reset by the PHCNT pin (Low: high-impedance, high: 50% duty pulse output)
14
AV
SS
QPSKI
I
Internal A/D converter ground
15
I
QPSK modulated signal input
16
AV
DD
VRM
I
Internal A/D converter power supply
17
O
Internal A/D converter reference (center) output
18
AV
SS
VRB
I
Internal A/D converter ground
19
O
Internal A/D converter reference (low) output
20
VCADJ
Connection for internal VCO adjustment external resistor
21
VCIN
I
Internal VCO control input
Continued on next page.
C
D
C
S
D
S
A
D
A
S
D
D
DV
SS
V
SS
V
DD
PV
SS
VV
SS
AV
SS
PV
DD
VV
DD
D
D
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