CD-E;5Er5;60X
m
IC701
RH-ix0041
AWZZ
(IX0041
AW):System control Microcomputer
Pin No.
Port Name
Terminal Name
hpUt/OUtput
Function
1-2
VLi-2
VLl-2
Input
Supply voltage of 0-VL2 to LCD
3-10
P67-P60
AN7-AN0 In/Output
CMOS input level CMOS 3 state output. (8 bit I/O port.)
11
P57
ADT
In/Output
CMOS input level CMOS 3 state output. (8 bit I/O port.)
12*
P56
TOUT
In/Output
CMOS input level CMOS 3 state output.
(8
bit
I/O
port.)
13,14
P55-P54
CNTRl
-CNTR2 In/Output
CMOS input level CMOS 3 state output. (8 bit
I/O
port.)
15.16
P53-52
RTPI -RTP2 In/Output
CMOS inout level CMOS 3 state outout.
(8
bit
I/O
port.)
17-18
P51
-P50
INT3-INT2
In/Output
1
CMOS input level CMOS 3 state output. (8 bit
I/O
port.)
19
/
P47
/
SRDY
1
In/Output
1
CMOS input level CMOS 3 state output. (7 bit I/O port.)
20
P46
21,22
P45,44
23,24
P43,P42
25
P41
26
P40
27 RESET
SCLK
TXD,RXD
INTO-INTI
0
RESET
In/Output
CMOS input level CMOS 3 state output. (7 bit
l/O
port.)
In/Output
CMOS input level CMOS 3 state output. (7 bit I/O port.)
In/Output
CMOS input level CMOS 3 state output. (7 bit I/O port.)
In/Output
CMOS input level CMOS 3 state output. (7 bit
II0
port.)
Input
CMOS input level (1 bit input port.)
lntput
The orocessor is reset. if held at
“L”
for more than
2~s.
/
57-60 (60’)
1
P37-34
1
SEG15-SEG12
InDut
CMOS inout level.
(4
bit inout
oort.)
I
61-72
(65*)
SEGI
1
-SEGO
output LCD segment output pin.
73
I vcc I vcc
-
I
Power terminal
74 VREF VREF
75 AVSS
AVSS
76-79
COM3-COMO
COM3-COMO
80 VL3
VL3
input
Input pin for the A-D converter reference voltage.
In/Output
GND input for A-D converter. Connect to VSS
output
LCD common output pin.
Input
Supply voltage of VL3 to LCD.
In this unit, the terminal with asterisk mark
(*)
is (open) terminal which is not connected to the outside.
-2o-
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