
7544 Group
Rev.1.04
2004.06.08
page 4 of 66
REJ03B0012-0104Z
FUNCTIONAL BLOCK
Fig. 5 Functional block diagram (32P4B package)
FUNCTIONAL
BLOCK
DIAGRAM
(Package:
32P4B)
16
11
13
12
P1(5)
31
2
32
5
4
P2(6)
P3(6)
17
20
18
10
14
15
9
7
8
6
0
19
21
22
P0(8)
30
28
26
24
29
27
25
23
A/D
converter
(8)
X
IN
OUT
X
CPU
V
SS
RESET
V
CC
CNV
SS
I/O
port
P2
I/O
port
P0
I/O
port
P1
I/O
port
P3
SI/O(8)
RAM
ROM
A
X
Y
S
PC
H
PC
L
PS
Reset
input
Clock
generating
circuit
Clock
input
Clock
output
V
REF
Watchdog
timer
Reset
INT
0
CNTR
0
Timer
X
(8)
Key-onwakeup
Prescaler
X
(8)
CNTR
1
Timer
A
(16)
Timer
1
(8)
Prescaler
1
(8)
TX
OUT
INT
1