參數(shù)資料
型號: 4571
廠商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER
中文描述: 單芯片4位微機的CMOS
文件頁數(shù): 50/126頁
文件大?。?/td> 1627K
代理商: 4571
Rev.1.02
May 25, 2007
Page 3 of 124
REJ03B0179-0102
4571 Group
FUNCTIONAL BLOCK
Fig 2.
Functional block diagram (PRSP0024GA-A type)
RA
M
1
28
w
o
rd
s
×
4
bi
ts
RO
M
40
96,
6144
,
16
384
w
o
rd
s
×
10
bi
ts
Me
mo
ry
I/O
P
o
rt
In
te
rnal
per
ipher
al
f
u
nc
ti
ons
Ti
m
e
r
T
im
e
r
1
(8
b
its
)
T
im
e
r
2
(8
b
its
)
T
im
e
r
3
(8
b
its
)
4500
s
e
ri
es
CPU
c
o
re
R
e
g
is
te
rA
(4
bi
ts
)
R
egi
st
er
B
(4
bi
ts
)
R
e
g
is
te
r
D
(
3
bi
ts
)
R
egi
st
er
E
(8
bi
ts
)
S
tac
k
re
gist
e
rS
K
(8
lev
e
ls
)
In
te
rru
pt
s
tack
re
gister
S
D
P
(1
lev
e
l)
ALU
(
4
bi
ts
)
W
a
tc
h
dog
t
im
e
r
(16
bi
ts
)
Por
tP0
4
Por
tP1
4
Po
rt
P2
2
Po
rt
D
5
S
y
s
tem
c
lo
c
k
g
ener
a
ti
n
g
c
ir
c
ui
t
X
IN
-X
OU
T
(c
er
am
ic
)
Vol
tage
dr
op
det
e
c
ti
o
n
c
ir
c
ui
t
Por
tP3
2
Po
rt
C
1
Por
tK
1
Powe
r-
o
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r
e
s
e
t
c
ir
c
ui
t
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