PMD-1024HLS User's Guide

Functional Details

ƒTo configure a pull-down connection for a specific port, wire the pull-up/pull-down terminal to a GND terminal.

Figure 3-6. Pull-down connection for Port A

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

 

 

Pull-up

DIO 0 (Port A0)

 

DIO 1 (Port A1)

 

Pin 15

 

 

DIO 2 (Port A2)

 

 

DIO 3 (Port A3)

Port A

 

DIO 4 (Port A4)

 

 

 

DIO 5 (Port A5)

 

Pull-down

DIO 6 (Port A6)

 

GND

DIO 7 (Port A7)

 

 

 

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

USB +5 V

 

 

Pull-up

DIO 0 (Port B0)

 

DIO 1 (Port B1)

 

Pin 13

 

 

DIO 2 (Port B2)

 

 

DIO 3 (Port B3)

Port B

 

DIO 4 (Port B4)

 

 

 

DIO 5 (Port B5)

 

Pull-down

DIO 6 (Port B6)

 

GND

DIO 7 (Port B7)

 

 

 

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

USB +5 V

 

 

 

Pull-up

DIO 0 (Port C0)

 

DIO 1 (Port C1)

 

Pin 11

 

 

DIO 2 (Port C2)

 

 

DIO 3 (Port C3)

Port C

 

DIO 4

(Port C4)

 

 

 

DIO 5

(Port C5)

 

Pull-down

DIO 6

(Port C 6)

 

GND

DIO 7

(Port C7)

 

 

 

 

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

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Measurement Specialties PMD-1024HLS manual Pull-down connection for Port a