参数资料
型号: M37481M8-XXXFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP44
封装: 10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44
文件页数: 79/100页
文件大小: 1457K
代理商: M37481M8-XXXFP
5
MITSUBISHI MICROCOMPUTERS
7480/7481 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
Fig. 4 Function block diagram (1)
24
23
22
19
13
9
10
11
12
1
2
3
4
5
6
7
8
32
31
30
29
28
27
26
25
14
15
18
17
16
P
4
(2
)
P
2
(4
)
P1
(8)
A-D
converter
P0
(8)
Serial
I/O
(8)
Clock
generating
circuit
RAM
448
bytes
Program
counter
PC
H
(8)
Program
counter
PC
L
(8)
ROM
16384
bytes
Accumulator
A
(8)
Index
register
X
(8)
Index
register
Y
(8)
Stack
pointer
S
(8)
Processor
status
register
PS
(8)
Timer
1
(8)
Timer
2
(8)
Timer
X
(16)
Timer
Y
(16)
Instruction
decoder
Control
signal
V
CC
V
SS
Reset
input
Clock
output
X
OUT
Clock
input
X
IN
(Note
2)
Data
bus
(Note
1)
8-bit
arithmetic
and
logical
unit
P3
(4
)
CNTR
1
CNTR
0
INT
1
INT
0
4
M37480M8/E8-XXXSP/FP,
M37480M8T/E8T-XXXSP/FP
FUNCTION
BLOCK
DIAGRAM
I/O
port
P4
Input
port
P3
V
REF
Reference
voltage
input
Input
port
P2
I/O
port
P1
I/O
port
P0
Notes
1:
8192
bytes
for
M37480M4-XXXSP/FP,
M37480M4T-XXXSP/FP
and
4096
bytes
for
M37480M2T-XXXSP/FP
2:
256
bytes
for
M37480M4-XXXSP/FP,
M37480M4T-XXXSP/FP
and
1
28
bytes
for
M37480M2T-XXXSP/FP
R
ESET
Instruction
register
(8)
INT
1
INT
0
20
21
FUNCTIONAL BLOCK DIAGRAM
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