參數(shù)資料
型號: S3C1840
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 4-bit single-chip CMOS microcontroller
中文描述: 4位單芯片CMOS微控制器
文件頁數(shù): 4/91頁
文件大?。?/td> 331K
代理商: S3C1840
S3C1840
1-3
PIN CONFIGURATION (24 SOP)
S3C1840
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
V
SS
X
I
X
O
P2.6
P0.0
P0.1
P0.2
P0.3
P1.0
P1.1
P1.2
P1.3
V
DD
P2.0/REM
TEST
P2.1
P2.2
P2.3
P2.4
P2.5
P3.0
P3.1
P3.2
P3.3
Figure 1-2. Pin Configuration (24 SOP)
Table 1-1. PIN Description for 24 PINS
Pin
Name
Pin
Number
5, 6, 7, 8
9, 10, 11, 12
23
Pin
Type
Input
Input
Output
Description
I/O Circuit
Type
A
A
B
P0.0-P0.3
P1.0-P1.3
P2.0 REM
4-bit input port when P2.13 is low
4-bit input port when P2.13 is high
1-bit individual output for remote carrier
frequency
(1)
1-bit individual output port
P2.2-P2.5
P2.1, P2.6
P3.0-P3.3
TEST
20, 19, 18, 17
21, 4
16, 15, 14, 13
22
Output
C
D
C
Output
Input
4-bit parallel output port
Input pin for test (Normally connected to V
SS
)
Oscillation clock input
X
I
X
O
V
DD
V
SS
2
Input
3
Output
Oscillation clock output
24
Power supply
1
Ground
NOTES:
1.
The carrier can be selected by software as fxx/12 (1/3 duty), fxx/12 (1/4 duty), fxx/8 (1/2 duty), or no-carrier
frequency.
Package type can be selected as 24 SOP in the ordering sheet.
2.
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