DESCRIPTION
The 3850 group (spec. A) is the 8-bit microcomputer based on the
740 family core technology.
The 3850 group (spec. A) is designed for the household products
and office automation equipment and includes serial I/O functions,
8-bit timer, and A-D converter.
FEATURES
G
Basic machine-language instructions ...................................... 71
G
Minimum instruction execution time ................................ 0.32
μ
s
(at 12.5 MHz oscillation frequency)
G
Memory size
ROM ................................................................... 8K to 16K bytes
RAM.............................................................................. 512 bytes
G
Programmable input/output ports ............................................ 34
G
On-chip software pull-up resistor
G
Interrupts ................................................. 15 sources, 14 vectors
G
Timers ............................................................................. 8-bit
4
G
Serial I/O1 .................... 8-bit
1(UART or Clock-synchronized)
G
Serial I/O2 ................................... 8-bit
1(Clock-synchronized)
G
PWM ............................................................................... 8-bit
1
G
A-D converter ............................................... 10-bit
9 channels
G
Watchdog timer ............................................................ 16-bit
1
PIN CONFIGURATION (TOP VIEW)
Fig. 2 M38503MXA-XXXFP/SP pin configuration (spec. A)
G
Clock generating circuit..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
G
Power source voltage
In high-speed mode .................................................. 4.0 to 5.5 V
(at 12.5 MHz oscillation frequency)
In high-speed mode .................................................. 2.7 to 5.5 V
(at 6 MHz oscillation frequency)
In middle-speed mode............................................... 2.7 to 5.5 V
(at 12.5 MHz oscillation frequency)
In low-speed mode .................................................... 2.7 to 5.5 V
(at 32 kHz oscillation frequency)
G
Power dissipation
In high-speed mode ..........................................................34 mW
(at 12.5 MHz oscillation frequency, at 5 V power source voltage)
In low-speed mode
Except M38507F8FP/SP................................................... 60
μ
W
M38507F8FP/SP ............................................................. 450
μ
W
(at 32 kHz oscillation frequency, at 3 V power source voltage)
G
Operating temperature range....................................
–
20 to 85
°
C
APPLICATION
Office automation equipment, FA equipment, Household products,
Consumer electronics, etc.
Package type : FP ........................... 42P2R-A/E (42-pin plastic-molded SSOP)
Package type : SP ........................... 42P4B (42-pin plastic-molded SDIP)
3850 Group (Spec. A)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
P
4
0
/
N
T
C
N
S
R
T
D
S
C
R
1
Y
L
P
4
1
/
I
N
T
0
P
4
2
/
I
N
T
1
P
4
3
/
I
N
T
2
/
S
C
M
P
2
A
P
V
S
W
S
P
4
4
/
I
N
T
3
/
M
V
R
E
F
V
C
C
P
P
P
P
0
0
/
0
1
/
0
2
/
0
3
/
S
I
S
O
S
C
S
R
N
2
U
L
D
P
P
P
P
P
0
4
/
0
5
/
0
6
/
0
7
/
1
0
/
A
A
A
A
(
L
N
5
N
6
N
7
N
8
E
P
P
P
P
P
P1
6
/(LED
6
)
P
(
L
1
1
/
1
2
/
1
3
/
1
4
/
1
5
/
(
(
(
(
(
L
L
L
L
L
E
E
E
E
E
D
1
)
D
2
)
D
3
)
D
4
)
D
5
)
D
0
)
T
K
Y
2
2
2
P
P
P
P
3
1
/
3
2
/
3
3
/
3
4
/
A
A
A
A
N
1
N
2
N
3
N
4
P
3
0
/
A
N
0
4
39
0
41
4
2
2
23
2
4
25
2
6
27
2
8
29
3
0
3
1
3
2
34
33
35
3
6
3
7
38
3
4
2
1
2
1
20
1
9
18
1
7
16
1
5
14
1
3
1
2
1
9
10
8
7
6
5
M
3
8
5
0
3
M
X
A
-
X
X
X
F
P
/
S
P
1
7
/
E
D
7
)
P
2
7
/
C
R
0
/
P
P2
5
/TxD
P
1
K
2
6
/
2
4
/
R
P
P
V
S
X
C
O
E
S
x
D
2
3
2
2
C
N
S
N
T
T
N
T
S
P
2
1
/
2
0
/
I
P
X
C
R
U
E
X
I
U
V
S
X
O
V
P
P
:
F
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