參數(shù)資料
型號(hào)： M38198M9-XXXFP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述： 單芯片8位CMOS微機(jī)
文件頁(yè)數(shù)： 3/60頁(yè)
文件大?。?/td> 664K
代理商： M38198M9-XXXFP
3
3819 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Reset input pin for active “L”
Input and output pins for the main clock generating circuit
Feedback resistor is built in between X
IN
pin and X
OUT
pin.
Connect a ceramic resonator or a quartz-crystal oscillator between the X
IN
pin and X
OUT
pin to
set oscillation frequency.
If an external clock is used, connect the clock source to the X
IN
pin and leave the X
OUT
pin
open.
This clock is used as the oscillating source of system clock.
V
CC
, V
SS
PIN DESCRIPTION
Pin
Name
Function
Function except a port function
Power source
Apply voltage of 4.0 to 5.5 V to V
CC
, and 0 V to V
SS
.
Applies voltage supplied to pull-down resistors of ports P0, P1, P2
0
–P2
3
, P3, and P9.
Reference voltage input pin for A-D converter and D-A converter
GND input pin for A-D converter and D-A converter
Connect AV
SS
to V
SS
.
8-bit output port
This port builds in pull-down resistor between
port P0 and the V
EE
pin.
At reset this port is set to V
EE
level.
The high-breakdown-voltage P-channel
open-drain
V
EE
V
REF
AV
SS
RESET
X
IN
X
OUT
P0
0
/SEG
32
/
DIG
0
–P0
7
/
SEG
39
/DIG
7
P1
0
/SEG
40
/
DIG
8
–P1
7
/
DIG
15
P2
0
/DIG
16
–
P2
3
/DIG
19
P2
4
–P2
7
8-bit output port with the same function as
port P0
4-bit output port with the same function as
port P0
4-bit I/O port
I/O direction register allows each pin to be individually programmed as either input or output.
At reset this port is set to input mode.
TTL input level
CMOS 3-state output
P3
0
/SEG
24
–
P3
7
/SEG
31
P4
0
/INT
0
,
P4
5
/INT
1
/
ZCR
P4
2
/INT
2
–
P4
4
/INT
4
P4
1
P4
6
/T1
OUT
,
P4
7
/T3
OUT
Pull-down
Power source
Analog reference
voltage
Reset input
Analog power source
Clock input
Clock output
Output port P0
Output port P1
Output port P2
I/O port P2
Output port P3
Input port P4
I/O port P4
8-bit output port with the same function as
port P0
2-bit input port
CMOS compatible input level
6-bit CMOS I/O port with the same function
as ports P2
4
–P2
7
CMOS compatible input level
CMOS 3-state output
FLD automatic display pins
FLD automatic display pins
FLD automatic display pins
FLD automatic display pins
External interrupt input pins
A zero cross detection circuit input pin (P4
5
)
Timer output pins
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