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16-ch Counter/Frequency Board
with 32-ch Programmable DIO
User Manual, Ver. 1.2, Apr. 2017, PMH-030-12 Page 10
2.2
Jumper Settings
2.2.1
JP1: Digital I/O Mode
Jumper JP1 is used to configure the Digital I/O direction mode as either
Software Programmable
(short pins 2 and 3)
or
Jumper Selectable (short pins 1 and 2)
. The default setting is Jumper
Selectable Mode.
JP1
Jumper Selectable
(Default)
Software Programmable
DIO-S0
1
HW
3
2
SW
1
SW
3
2
HW
Software Programmable Mode:
Refer to
Section 6.3 “Bar1: Digital I/O Registers
”
for details of how to configure Port A (PA) and Port
B (PB) when the DIO-S0 jumper is set to Software Programmable Mode. The DIO-S1 and DIO-S2
jumpers are not used when the DIO-S0 jumper is set to Software Program Mode.
Jumper Selectable Mode:
DIO-S1 (Port A, PA) and DIO-S2 (Port B, PB) are used to configure the I/O ports as either DI (short
pins 1 and 2) or DO (Short pins 2 and 3), when the DIO-S0 Jumper is set to Jumper Selectable Mode.
The default Settings is DI.
JP1
DIO-S0 is Jumper Selectable Mode
DI
(Default)
DO
DIO-S1 (Port A)
DIO-S2 (Port B)
1
2
3
1
2
3