
25
Table 1-5 lists the pin assignments for the HD404318, HD404358 and HD404358R Series
microcomputers.
Table 1-5
HD404318, HD404358 and HD404358R Series Pin Assignments
Pin No.
Pin Function
DP-42S
FP-44A
Pin
HD404318 Series
HD404358 Series
HD404358R Series
139
RA
1/
(V
disp)*
High voltage input
port/high voltage pin
output power supply
Standard voltage
input port
240
R0
0/ SCK Standard voltage I/O port/serial transfer clock
I/O
Standard voltage high
current I/O port/serial
transfer clock I/O
341
R0
1/SI
Standard voltage I/O port/serial reception
data input
Standard voltage high
current I/O port/serial
reception data input
442
R0
2/SO
Standard voltage I/O port/serial transmission
data output
Standard voltage high
current I/O port/
serial transmission data
output
543
R0
3/TOC Standard voltage I/O port/timer C output
Standard voltage high
current I/O port/
timer C output
6
1
TEST
Test
72
RESET
Reset
8
3
OSC
1
System clock oscillator connection: input
9
4
OSC
2
System clock oscillator connection: output
10
5
GND
Ground
11
6
AV
SS
Analog ground
12
7
R3
0/AN0
Standard voltage I/O port/analog input channel
13
8
R3
1/AN1
Standard voltage I/O port/analog input channel
14
9
R3
2/AN2
Standard voltage I/O port/analog input channel
15
10
R3
3/AN3
Standard voltage I/O port/analog input channel
16
11
R4
0/AN4
Standard voltage I/O port/analog input channel
17
12
R4
1/AN5
Standard voltage I/O port/analog input channel
18
13
R4
2/AN6
Standard voltage I/O port/analog input channel
19
14
R4
3/AN7
Standard voltage I/O port/analog input channel
20
15
AV
CC
Analog power supply
Note: * Items in parentheses apply only to the HD404318 Series.