參數(shù)資料
型號(hào): M34501M4
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機(jī)的CMOS
文件頁數(shù): 107/113頁
文件大?。?/td> 1252K
代理商: M34501M4
107
4501 Group
SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
BASIC TIMING DIAGRAM
VOLTAGE DROP DETECTION CIRCUIT CHARACTERISTICS
(Ta =
20
C to 85
°
C, unless otherwise noted)
Test conditions
Ta = 25
°
C
RAM back-up mode
(POF instruction execution) (Note 2)
V
DD
= 5.0 V
Parameter
Detection voltage (Note 1)
Operation current of voltage
drop detection circuit
Symbol
V
RST
I
RST
Limits
Typ.
Unit
Min.
2.7
3.3
3.5
50
Max.
4.2
3.7
100
V
μ
A
Notes 1: The detected voltage (VRST) is defined as the voltage when reset occurs while the supply voltage (V
DD
) is falling.
2: The voltage drop detection circuit is operating in the RAM back-up with the POF instruction (It stops in the RAM back-up with the POF2 instruction).
X
I
(
S
N
y
s
:
e
h
m
i
g
c
h
l
o
-
c
s
k
p
=
e
f
e
(
X
I
d
N
)
m
)
o
d
e
t
P
l
a
r
a
m
e
t
e
r
P
i
n
n
a
m
e
M
a
c
h
i
n
e
c
y
c
l
e
M
i
M
i
+
1
D
0
,
D
1
,
D
2
/
C
,
D
3
/
K
P
P
P
0
0
–P
1
0
P
2
0
,
0
3
1
3
2
1
P
P
P
0
0
1
0
P
2
0
,
P
0
3
1
3
2
1
P
X
I
(
S
N
y
s
:
e
m
m
i
c
d
l
d
o
l
k
e
-
s
f
p
(
X
I
e
N
)
e
d
/
2
)
m
o
d
e
t
c
=
P
C
o
c
k
P
o
r
t
D
o
u
t
p
u
t
Port D input
P
o
o
u
r
t
t
u
P
0
t
,
P
1
,
P
2
p
P
i
n
o
r
u
t
t
P
0
,
P
1
,
P
2
p
C
N
T
R
T
i
m
e
r
o
u
t
p
u
t
X
I
(
S
N
y
s
:
e
l
m
o
w
c
-
o
s
c
p
k
e
=
e
f
(
d
X
I
N
)
m
o
4
d
e
t
l
/
)
X
I
(
S
N
y
s
:
e
d
m
e
c
f
l
a
o
u
c
l
t
=
m
f
o
X
I
d
N
)
e
/
8
t
k
(
)
D
0
, D
1
, D
2
/C, D
3
/K
INT
Interrupt input
C
N
T
R
T
i
m
e
r
i
n
p
u
t
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