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Measurement Computing USB-1024HLS User Manual

Page 16

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USB-1024HLS User's Guide

Functional Details

Wiring schematics are shown here for each pull-up/pull-down terminal. Dotted lines represent a pull-up or
pull-down connection.

USB +5 V

GND

DIO 7 (Port A7)

DIO 6 (Port A6)

DIO 5 (Port A5)

DIO 4 (Port A4)

DIO 3 (Port A3)

DIO 2 (Port A2)

DIO 1 (Port A1)

DIO 0 (Port A0)

Port A

Pin 15

Pull-up

Pull-down

Figure 3-7. Schematic showing Port A pull-up/pull-down wiring options

USB +5 V

GND

DIO 7 (Port B7)

DIO 6 (Port B6)

DIO 5 (Port B5)

DIO 4 (Port B4)

DIO 3 (Port B3)

DIO 2 (Port B2)

DIO 1 (Port B1)

DIO 0 (Port B0)

Port B

Pin 13

Pull-up

Pull-down

Figure 3-8. Schematic showing Port B pull-up/pull-down wiring options

USB +5 V

GND

DIO 7 (Port C7)

DIO 6 (Port C 6)

DIO 5 (Port C5)

DIO 4 (Port C4)

DIO 3 (Port C3)

DIO 2 (Port C2)

DIO 1 (Port C1)

DIO 0 (Port C0)

Port C

Pin 11

Pull-up

Pull-down

Figure 3-9. Schematic showing Port C pull-up/pull-down wiring options

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