參數(shù)資料
型號(hào)： S3C72F5XX-QX
元件分類(lèi)： 微控制器/微處理器
英文描述： 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 20 MM, QFP-100
文件頁(yè)數(shù)： 38/41頁(yè)
文件大?。?/td> 263K
代理商： S3C72F5XX-QX
PRODUCT OVERVIEW
S3C72F5/P72F5
1–6
Table 1–1. S3C72F5 Pin Descriptions (Continued)
Pin Name
Pin Type
Description
Number
Share Pin
INT2
I
Quasi-interrupt with detection of rising or
falling edges.
25
P1.2
INT4
I
External interrupt with detection of rising or
falling edges.
26
P1.3
CLO
I/O
Clock output .
27
P2.0
LCDCK
I/O
LCD clock output for display expansion.
28
P2.1
LCDSY
I/O
LCD synchronization clock output for display
expansion.
29
P2.2
TCLO0
I/O
Timer/counter 0 clock output.
30
P3.0
TCLO1
I/O
Timer/counter 1 clock output.
31
P3.1
TCL0
I/O
External clock input for timer/counter 0.
32
P3.2
TCL1
I/O
External clock input for timer/counter 1.
33
P3.3
COM0–COM7
O
LCD common signal output.
34–41
–
COM8–COM11
I/O
42–45
P4.0–P4.3
COM12–COM15
46–49
P5.0–P5.3
SEG0–SEG39
O
LCD segment signal output.
5–1,
100–66
–
SEG40–SEG43
I/O
65–62
P9.3–P9.0
SEG44–SEG47
61–58
P8.3–P8.0
SEG48–SEG51
57–54
P7.3–P7.0
SEG52–SEG55
53–50
P6.3/K7–P6.0/K4
K0–K3
I/O
External interrupt. The triggering edge is
selectable.
11–14
P0.0–P0.3
K4–K7
50–53
P6.0–P6.3
VDD
–
Main power supply.
15
–
VSS
–
Ground.
16
–
RESET
I
Reset signal.
22
–
VLC1–VLC5
–
LCD power supply.
10–6
–
Xin, Xout
–
Crystal, Ceramic or RC oscillator pins for
system clock.
18, 17
–
XTin, XTout
–
Crystal oscillator pins for subsystem clock.
20, 21
–
TEST
I
Test signal input. (must be connected to VSS)
19
–
NOTE: Pull-up resistors for all I/O ports are automatically disabled if they are configured to output mode.
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