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Appendix C: Signal Connection of MCU DI/DO
VTC 1911 User Manual
a
PPendIx
C: s
IGnal
C
onneCtIon
of
mCu dI/do
MCU DIO Pinout Description
Pin
Definition
Pin
Definition
1
2
G_IN1
3
G_OUT_1
4
5
6
7
8
G_IN3
9
G_OUT3
10
11
12
G_IN2
13
G_OUT2
14
15
DIO can be programmed by S/W.
Please refer to the source code in utility.
1
5
11
15
5
1
15
11
Digital Input
The figure below shows how to connect an external output source to one
of the input channel.
External Switch
Port
DI Register
ON (Short)
GND
0
OFF (Open)
HIGH
1