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PIN
DESCRIPTION
APPLICATION
CIRCUITS
32
Pin name
I/O
-
Vss
Key Input Pin Nos. 0 3
KI
KU
I
0
3
Key Input Pin Nos. 4 7
KI
KU
I
4
7
REM
O
-
V
DD
SEL
I
O
OSCO
OSCI
I
Custom Code Scan Input Pin
I
CCS
-
LMP
Output LED Indicator
KI/O
KI/O
Key Input/OutputPinNos.0 7
I/O
0
7
PT2222 Application Circuit
Description
Power Supply
Data Output Pin
Power Supply
Select Pin
Oscillator Pin
Oscillator Pin
Pin Number
PT2222-00X
12
23,24,1,2
3 6
7
8
9
10
11
22
13
21 14
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