參數(shù)資料
型號(hào)： M38047M8-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)
文件頁數(shù)： 7/135頁
文件大?。?/td> 2055K
代理商： M38047M8-XXXFP
7
3803/3804 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
V
CC
, V
SS
Functions
Name
Pin
Apply voltage of 2.7 V
–
5.5 V to Vcc, and 0 V to Vss.
In the flash memory version, apply voltage of 4.0 V
–
5.5 V to Vcc, and 0 V to Vss
This pin controls the operation mode of the chip.
Normally connected to V
SS
.
In the flash memory version, this becomes V
PP
power source input pin.
Reference voltage input pin for A-D and D-A converters.
Analog power source input pin for A-D and D-A converters.
Connect to V
SS
.
Reset input pin for active
“
L
”
.
Input and output pins for the clock generating circuit.
Connect a ceramic resonator or quartz-crystal oscillator between the X
IN
and X
OUT
pins to set
the oscillation frequency.
When an external clock is used, connect the clock source to the X
IN
pin and leave the X
OUT
pin open.
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
CMOS compatible input level.
CMOS 3-state output structure.
Pull-up control is enabled in a bit unit.
P2
0
–
P2
7
are enabled to output large current for LED drive.
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
P3
2
to P3
3
can be switched between CMOS compat-
ible input level or SMBUS input level in the I
2
C-BUS
interface function.
P3
0
, P3
1
, P3
4
–
P3
7
are CMOS 3-state output structure.
P3
2
, P3
3
are N-channel open-drain output structure.
Pull-up control of P3
0
, P3
1
, P3
4
–
P3
7
is enabled in a bit
unit.
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
CMOS compatible input level.
CMOS 3-state output structure.
Pull-up control is enabled in a bit unit.
Power source
Table 2 Pin description (3804 group)
Function except a port function
A-D converter input pin
Reference voltage
Analog power source
Clock input
Clock output
I/O port P0
I/O port P1
I/O port P2
V
REF
AV
SS
CNV
SS
input
CNV
SS
RESET
X
IN
Reset input
X
OUT
P0
0
/AN
8
–
P0
7
/AN
15
P1
0
/INT
01
P1
1
/INT
41
P1
2
–
P1
7
P2
0
–
P2
7
P3
0
/DA
1
P3
1
/DA
2
P3
2
/SDA
P3
3
/SCL
P3
4
/RxD
3
P3
5
/TxD
3
P3
6
/S
CLK3
P3
7
/S
RDY3
I/O port P3
Interrupt input pin
D-A converter input pin
Serial I/O3 function pin
I/O port P4
8-bit CMOS I/O port.
I/O direction register allows each pin to be individually
programmed as either input or output.
CMOS compatible input level.
CMOS 3-state output structure.
Pull-up control is enabled in a bit unit.
Interrupt input pin
Sub-clock generating I/O pin
(resonator connected)
P4
0
/INT
40
/
X
COUT
P4
1
/INT
00
/
X
CIN
P4
2
/INT
1
P4
3
/INT
2
P4
4
/RxD
1
P4
5
/TxD
1
P4
6
/S
CLK1
P4
7
/S
RDY1
/CNTR
2
P5
0
/S
IN2
P5
1
/S
OUT2
P5
2
/S
CLK2
P5
3
/S
RDY2
P5
4
/CNTR
0
P5
5
/CNTR
1
P5
6
/PWM
P5
7
/INT
3
P6
0
/AN
0
–
P6
7
/AN
7
Interrupt input pin
Serial I/O1 function pin
Serial I/O1, timer Z function pin
I/O port P5
I/O port P6
Serial I/O2 function pin
Timer X function pin
Timer Y function pin
PWM output pin
Interrupt input pin
A-D converter input pin
I
2
C-BUS interface function pins
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