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參數(shù)資料
| 型號： | KS57P21516 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 4-BIT CMOS Microcontroller(4位微控制器) |
| 中文描述： | 4位CMOS微控制器（4位微控制器） |
| 文件頁數(shù)： | 6/7頁 |
| 文件大?。?/td> | 68K |
| 代理商： | KS57P21516 |
KS57C21516/P21516 MICROCONTROLLER
PRODUCT OVERVIEW
1-6
Table 1–1. KS57C21516 Pin Descriptions (Continued)
Pin Name
INT2
Pin Type
I
Description
Number
25
Share Pin
P1.2
Quasi-interrupt with detection of rising or falling
edges.
External interrupt with detection of rising or falling
edges.
Clock output .
LCD clock output for display expansion.
LCD synchronization clock output for display
expansion.
Timer/counter 0 clock output.
Timer/counter 1 clock output.
External clock input for timer/counter 0.
External clock input for timer/counter 1.
LCD common signal output.
INT4
I
26
P1.3
CLO
LCDCK
LCDSY
I/O
I/O
I/O
27
28
29
P2.0
P2.1
P2.2
TCLO0
TCLO1
TCL0
TCL1
COM0–COM7
COM8–COM11
COM12–
COM15
SEG0–SEG39
I/O
I/O
I/O
I/O
O
I/O
30
31
32
33
P3.0
P3.1
P3.2
P3.3
–
34–41
42–45
46–49
P4.0–P4.3
P5.0–P5.3
O
LCD segment signal output.
5–1,
100–66
65–62
61–58
57–54
53–50
–
SEG40–SEG43
SEG44–SEG47
SEG48–SEG51
SEG52–SEG55
I/O
P9.3–P9.0
P8.3–P8.0
P7.3–P7.0
P6.3/K7–
P6.0/K4
P0.0–P0.3
P6.0–P6.3
–
K0–K3
K4–K7
V
DD
V
SS
RESET
V
LC1
–V
LC5
X
in,
X
out
I/O
External interrupt. The triggering edge is selectable.
11–14
50–53
15
–
Main power supply.
–
Ground.
16
–
I
–
Reset signal.
LCD power supply.
22
10–6
–
–
–
Crystal, Ceramic or RC oscillator pins for system
clock.
Crystal oscillator pins for subsystem clock.
18, 17
–
XT
in,
XT
out
TEST
–
20, 21
–
I
Test signal input. (must be connected to V
SS
)
19
–
NOTE:
Pull-up resistors for all I/O ports are automatically disabled if they are configured to output mode.
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