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IC1 PT831T PINS DESCRIPTION
Pin No.
Pin Name
1
KI3
2
KO0
3
VDD
4
/RESET
5
GND
6
KO1
7
LED
8
KO2
9
OPTION
10
NC
11
NC
12
IR_IN
13
RELAY
14
IR_OUT
15
READY
16
VDD
17
OSC2
18
OSC1
19
KI1
20
KI2
I/O
I
Key scan input pin
I
Key scan output pin
-
Power supply pin
I
Reset PIN (Active=L)
-
Ground
I
Key scan output pin
O
LED output pin
I
Key scan output pin
I
Option Remote control format
-
I
Remote control input pin
O
Relay control output PIN (L=ON, H=OFF)
O
Remote control output pin
I
Power OFF request input pin
-
Power supply pin
O
OSC output pin
I
OSC input pin
I
Key scan input pin
I
Key scan input pin
Description
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