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PIN NO.
1 48
1 SIGNAL
/ PO6
Digit
selection
signal.
Signal similar to PI 5.
I I/O
1 OUT
CRD938A2U)
PIN NO.
/ 49
1 SIGNAL
/ PO5
I I/O
j OUT
Segment
data signal.
Signal similar to PI 6.
Kev strobe
signal.
Signal applied to touch-key
section.
A pulse signal is input to RO-R3 terminal
while
one of G-8 line keys on key matrix is touched.
(RD939A3U)
PIN NO.
1 50
1 SIGNAL
1 PO4
I I/O
/ OUT
Segment
data siwal.
Signal similar to P16.
(RD939A2U)
PIN NO.
1 51
Digit
selection
signal.
Signal similar to PI 5.
1 SIGNAL
j PO3
I I/O
1 OUT
(RD938A2U)
PIN NO.
j 52-53
1 SIGNAL
/ PO2-PO1
I I/O
/ OUT
Segment
data signal.
Signal similar to P16.
tRD939A2U)
\
-
I I/O
1 OUT
PIN NO.
/ 54
1 SIGNAL
( PO0
Segment
data signal.
Signal similar to PI 6.
PIN NO.
/ 55
Dinit
selection
signal.
Signal similar to PI 5.
Key strobe
signal.
Signal applied to touch-key
section.
A pulse signal is input to RO-R3 terminal
while
one of G-9 line keys on key matrix is touched.
(RD939A3U)
1 SIGNAL
1 P27
I I/O
/ OUT
(RD938A2U)
PIN NO.
1 56
1 SIGNAL
j P26
I I/O
j OUT
Segment
data signal.
Signal similar to PI 6.
(RD939A2U)
PIN NO.
1 57
1 SIGNAL
j P25
I I/O
/ OUT
Serrment
data sianal.
Key strobe
signal.
Signal similar to PI 6.
Signal applied to touch-key
section.
A pulse signal is input to RO-R3 terminal
while
one of G-10 line keys on key matrix is touched.
(RD939A3U)
PIN NO.
/ 58
1 SIGNAL
1 P24
I I/O
j OUT
Dinit
selection
signal.
Signal similar to P15.
(RD938A2U)
PIN NO.
/ 59
1 SIGNAL
j P23
I I/O
1 OUT
Serrment
data sinnal.
Kev strobe
sianal.
Signal similar to PI 6.
Signal applied to touch-key
section.
A pulse signal is input to RO-R3 terminal
while one of G-l 1 line keys on key matrix is touched.
(RD939A3U)
PIN NO.
/ 60
1 SIGNAL
/ P22
I I/O
/ OUT
Secrment
data sianal.
Kev strobe
sianal.
Signal similar to PI 6.
Signal applied to touch-key
section.
A pulse signal is input to RO-R3 terminal
while
one of G-12 line keys on key matrix is touched.
(RD939A3U)
PIN NO.
1 61-62
1 SIGNAL
j P21-P20
I I/O
1 OUT
Terminal
not used.
PIN NO.
1 63/64
1 SIGNAL
/ AVCC/VCC
I I/O
j IN
Connected
to GN D.
18
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