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3-1. IC PIN DESCRIPTION
• IC5 M34513 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
1
D3
O
Output port (LED (D5) light signal output in this set.)
2
D4
O
Output port (LED (D6) light signal output in this set.)
3
D5
O
Output port (LED (D7) light signal output in this set.)
Clock signal input for event counter and two frequency division signal output of
4
D6/CNTR0
I/O
under flow
Clock signal input for event counter and two frequency division signal output of
5
D7/CNTR1
I/O
under flow
6
P20/SCK
I/O
Serial clock signal input/output (Connect to ground in this set.)
7
P21/SOUT
O
Serial data signal output (Connect to ground in this set.)
8
P22/SIN
I
Serial data signal input (Connect to ground in this set.)
9
RESET
I
Reset signal input
10
CNVSS
—
Ground pin
11
XOUT
O
System clock signal output (4 MHz)
12
XIN
I
System clock signal input (4 MHz)
13
VSS
—
Ground pin
14
VDD
—
Power supply pin
Voltage down detection signal input ("H": operate, "L": stop)
15
VDCE
I
(Connect to ground in this set.)
16
P30/INT0
I/O
Input/output port and interruption signal input
17
P31/INT1
I/O
Input/output port and interruption signal input (Not used in this set.)
A-D convert analog signal input and voltage comparator signal input
18
AIN0/CMP0–
I
(Connect to ground in this set.)
A-D convert analog signal input and voltage comparator signal input
19
AIN1/CMP0+
I
(Connect to ground in this set.)
A-D convert analog signal input and voltage comparator signal input
20
AIN2/CMP1–
I
(Connect to ground in this set.)
A-D convert analog signal input and voltage comparator signal input
21
AIN3/CMP1+
I
(Connect to ground in this set.)
22
P00
I
Input port (Signal input of SW1 in this set.)
23
P01
I
Input port (Signal input of SW2 in this set.)
24
P02
I
Input port (Signal input of SW3 in this set.)
25
P03
I
Input port (Signal input of SW4 in this set.)
26
P10
I
Input port (Signal input of SW5 in this set.)
27
P11
I
Input port (SYNC.DET signal input in this set.)
28
P12
I/O
Input/output port (Not used in this set.)
29
P13
O
Output port (LED drive selection signal output to Q6 in this set.)
30
D0
O
Output port (LED drive selection signal output to Q5 in this set.)
31
D1
O
Output port (LED (D3) light signal output in this set.)
32
D2
O
Output port (LED (D4) light signal output in this set.)
SECTION 3
DIAGRAMS
Pin Description
5
5
SB-V55A
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