参数资料
型号: M34501M2-XXXFP
元件分类: 微控制器/微处理器
英文描述: 4-BIT, MROM, MICROCONTROLLER, PDSO20
封装: 5.30 X 12.60 MM, 1.27 MM PITCH, PLASTIC, SOP-20
文件页数: 35/118页
文件大小: 952K
代理商: M34501M2-XXXFP
4501 Group
Rev.3.01
2005.02.07
page 21 of 112
REJ03B0104-0301
Fig. 16 Interrupt sequence
T
1
F
,
T
2
F
A
D
F
IN
T
E
X
F
0
T
1
T
2
T
3
T
1
T
2
T
3
T
2
T
3
T
1
T
1
T
2
T
3
T
1
T
2
S
y
s
te
m
c
lo
c
k
T
h
e
p
ro
g
ra
m
s
ta
rt
s
fr
o
m
th
e
in
te
rr
u
p
t
a
d
re
s
.
In
te
rr
u
p
t
e
n
a
b
le
d
s
ta
te
q
W
h
e
n
a
n
in
te
rr
u
p
t
re
q
u
e
s
t
fl
a
g
is
s
e
t
a
ft
e
r
it
s
in
te
rr
u
p
t
is
e
n
a
b
le
d
(N
o
te
1
)
1
m
a
c
h
in
e
c
y
c
le
E
I
in
s
tr
u
c
ti
o
n
e
x
e
c
u
ti
o
n
c
y
c
le
In
te
rr
u
p
t
e
n
a
b
le
fl
a
g
(I
N
T
E
)
R
e
ta
in
g
le
v
e
l
o
f
s
y
s
te
m
c
lo
c
k
fo
r
4
p
e
ri
o
d
s
o
r
m
o
re
is
n
e
c
e
s
a
ry
.
In
te
rr
u
p
t
d
is
a
b
le
d
s
ta
te
E
x
te
rn
a
l
in
te
rr
u
p
t
T
im
e
r
1
,
T
im
e
r
2
,
a
n
d
A
/D
in
te
rr
u
p
ts
In
te
rr
u
p
t
a
c
ti
v
a
te
d
c
o
n
d
it
io
n
is
s
a
ti
s
fi
e
d
.
2
:
T
h
e
a
d
re
s
is
s
ta
c
k
e
d
to
th
e
la
s
t
c
y
c
le
.
3
:
T
h
is
in
te
rv
a
l
o
f
c
y
c
le
s
d
e
p
e
n
d
s
o
n
th
e
x
e
c
u
te
d
in
s
tr
u
c
ti
o
n
a
t
th
e
ti
m
e
w
h
e
n
e
a
c
h
in
te
rr
u
p
t
a
c
ti
v
a
te
d
c
o
n
d
it
io
n
is
s
a
ti
s
fi
e
d
.
N
o
te
s
1
:
T
h
e
4
5
0
1
G
ro
u
p
o
p
e
ra
te
s
in
th
e
d
e
fa
u
lt
m
o
d
e
a
ft
e
r
s
y
s
te
m
is
re
le
a
s
e
d
fr
o
m
re
s
e
t
(sy
s
te
m
c
lo
c
k
=
o
p
e
ra
ti
o
n
s
o
u
rc
e
c
lo
c
k
d
iv
id
e
d
b
y
8)
.
f
(X
IN
)
(d
e
fa
u
lt
m
o
d
e
)
f
(X
IN
)
(l
o
w
-s
p
e
d
m
o
d
e
)
f
(X
IN
)
(h
ig
h
-s
p
e
d
m
o
d
e
)
f
(X
IN
)
(m
id
d
le
-s
p
e
d
m
o
d
e
)
F
la
g
c
le
a
re
d
2
to
3
m
a
c
h
in
e
c
y
c
le
s
(N
o
te
s
2
,
3
)
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