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96M4211o
User’s Manual Hardware Setup
GPIO Interface
31
2.12 <GPIO interface>
The board offers 8-bit digital I/O to customize its configuration to your control needs. For
example, you may configure the digital I/O to control the opening and closing of the cash
drawer or to sense the warning signal from a tripped UPS. The following is a detailed
description of how the digital I/O is controlled via software programming.
Connector:
CN_DIO
Type: 12-pin (6 x 2) header (pitch = 2.0mm)
Pin Description
Pin Description
1 Ground
2 Ground
3 LGP0
4 LGP4
5 LGP1
6 LGP5
7 LGP2
8 LGP6
9 LGP3
10
LGP7
11 VCC
12 +12V
CN_DIO
1
12