參數(shù)資料
型號： 38C1
廠商： Mitsubishi Electric Corporation
英文描述： DIODE ZENER SINGLE 200mW 24Vz 0.05mA-Izt 0.05 0.05uA-Ir 18.2 SOD-323 3K/REEL
中文描述： 單芯片8位CMOS微機
文件頁數(shù)： 4/59頁
文件大?。?/td> 1063K
代理商： 38C1
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
38C1 Group
4
PIN DESCRIPTION
Table 1 Pin description
Function
Pin
Name
Function except a port function
Apply voltage of power source to V
CC
, and 0 V to V
SS
.
(As for V
CC
, refer to the recommended operating condition)
Connect to Vss.
Reset input pin for active “L”.
Input and output pins for the main clock generating circuit.
Connect a ceramic resonator or a quartz-crystal oscillator between the X
IN
and X
OUT
pins to set the
oscillation frequency.
If an external clock is used, connect the clock source to the X
IN
pin and leave the X
OUT
pin open.
A feedback resistor is built-in.
Input 0
≤
V
L1
≤
V
L2
< V
L3
voltage.
LCD common output pins.
8-bit input port.
CMOS compatible input level.
1, 2, 4 or 8-bit input and 8-bit pull-down can be programmed.
LCD segment output pin.
8-bit I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
1-bit input/output and pull-down can be programmed.
5-bit I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
1-bit input/output and pull-up can be programmed.
Analog input pins for A-D converter.
When these pins are used as ADKEY pins, the input
voltage of ADKEY pin which is input “L” level is A-D
converted automatically.
4-bit I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
1-bit input/output and pull-up can be programmed.
8-bit I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
1-bit input/output and pull-up can be programmed.
5-bit I/O port.
CMOS compatible input level.
CMOS 3-state output structure.
1-bit input/output and pull-up can be programmed.
Power source
CNV
SS
Reset input
Clock input
V
CC
, V
SS
CNV
SS
RESET
X
IN
X
OUT
V
L1
–V
L3
COM
0
–COM
3
P0
0
/SEG
0
–
P0
7
/SEG
7
SEG
8
–/SEG
16
P2
0
/SEG
17
–
P2
7
/SEG
24
P3
0
(LED)/KW
0
–
P3
4
(LED)/KW
4
AN
0
/ADKEY
0
–
AN
3
/ADKEY
3
P4
4
/AN
4
–
P4
7
/AN
7
P5
0
/INT
0
,
P5
1
/INT
1
P5
2
/CNTR
0
P5
3
/CNTR
1
P5
4
/S
IN
P5
5
/S
OUT
P5
6
/S
CLK
P5
7
/S
RDY
P6
0
/X
CIN
P6
1
/X
COUT
P6
2
/T
OUT
P6
3
/
φ
OUT
P6
4
Clock output
LCD power source
Common output
Input port P0
Segment output pin
I/O port P2
I/O port P3
Analog input
I/O port P4
I/O port P5
I/O port P6
LCD segment output pins
LCD segment output pins
Key input (key-on wake-up) interrupt
input pins
ADKEY input pins
Analog input pins for A-D converter
Interrupt input pins
Timer X, timer Y function pins
Serial I/O function pins
Sub-clock generating circuit I/O pins
(Oscillator is connected.
External clock cannot be input directly.)
Timer 2 output pin
System clock
φ
output
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