Digital I/O Power Select; Digital I/O Output State - DFI DT122-HD User Manual

Digital I/O Power Select

JP15 is used to select the power of DIO (Digital I/O) signal.
Chapter 4 Jumper Settings
Chapter 4
3 2 1
JP15
1-2 On: +5V_standby
(default)
3 2 1
2-3 On: +5V
21

Digital I/O Output State

Based on the power level of DIO (Digital I/O) selected on JP15, JP16 (DIO pin 0-3) and JP17
(DIO pin 4-7) are used to select the output state of Digital I/O: pull high or pull low. When
selecting pull high, the power selection will be the same as the JP15's setting.
DIO 0-3
3 2 1
(JP16)
1-2 On: +5V or +5V_standby
DIO 4-7
(default)
(JP17)
3 2 1
2-3 On: GND
www.dfi .com