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Pin No.
Terminal Name
1
P12
2
P11
3
P10
4
P47/KR07
5
P46/KR06
6
P45/KR05
7
P44/KR04
8
P43/KR03
9
P42/KR02
10
P41/KR01
11
P40/KR00
12
P31/BZO90
13
IC0
14
X2
15
X1
16
Vss0
17
Vdd0
18
XT2
19
XT1
20
RESET/
21
P30/TO90
22
P27/TI80/TO80
23
P26/INTP2/CPT90
24
P25/INTP1
25
P24/INTP0
26
P23/SS20/
27
P22/SI20/RxD20
28
P21/SO20/TxD20
29
P20/SCK20//
ASCK20
30
P07
31
P06
32
P05
33
P04
I/O Setting
O
LED-K6
I
Not used Vss Connection
I
Not used Vss Connection
O
LED-C1
O
LED-C2
O
LED-C3
O
LED-C4
I
Not used Vss Connection
I
KEY-IN3
I
KEY-IN2
I
KEY-IN1
I
Not used Vss Connection
I
Vpp
O
OSC(4MHz)
I
OSC(4MHz)
-
Vss
-
Vdd
-
Not used Open
I
Not used Vss Connection
I
Reset/
I
Not used Vss Connection
I
Not used Vss Connection
I
Not used Vss Connection
I
Not used Vss Connection
I
Not used Vss Connection
I
Rx-RDY
I
RxD
O
TxD
I
SCK
I
Not used Open
I
Not used Open
I
Not used Open
I
Not used Vss Connection
Description
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