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參數(shù)資料
| 型號： | LC821031 |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大?。?/td> | 67K |
| 代理商： | LC821031 |
No. 5735-3/5
LC821031
Pin Functions
I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: Not Connected
Pin No.
Symbol
I/O
Function
1
D7
B
2
D6
B
3
D5
B
4
D4
B
CPU interface data bus
5
D3
B
D7 is the MSB, and D0 is the LSB.
6
D2
B
7
D1
B
8
D0
B
9
DGND
P
Digital system ground
10
DVDD
P
Digital system power supply
11
A8
I
12
A7
I
13
A6
I
CPU interface address bus
14
A5
I
A12 is the MSB, and A0 is the LSB.
15
A4
I
16
A3
I
17
DGND
P
Digital system ground
18
A2
I
19
A1
I
CPU interface address bus
20
A0
I
21
WR
I
CPU interface write signal
22
RD
I
CPU interface read signal
23
A12
I
CPU interface address bus
24
DVDD
P
Digital system power supply
25
CLKIN
I
System clock input
26
A11
I
27
A10
I
CPU interface address bus
28
A9
I
29
CS
I
CPU interface chip select signal
30
ICLK
I
External sampling point signal input
31
TRIG
I
External trigger signal input
32
RESET
I
System reset
33
SAMP/LININT
O
A/D converter sampling point monitor signal output/LINE signal output
34
TEST
I
Test pin (Must be tied to the digital system ground in normal operation.)
35
REF
I
DRAM refresh signal input
36
AGND
P
Analog system ground
37
DALRL
I
Low reference for the D/A converter used for the A/D converter low reference.
38
DAHRL
I
Low reference for the D/A converter used for the A/D converter high reference.
Continued on next page.
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