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Pin
Parameter
+5V Supply
I
O
User IN 1-4
V
IH
User IN 1-4
V
IL
User IN 1-4
I
LI
User IN 1-4
V
I
User OUT 1-4
V
OH
User OUT 1-4
V
OL
User OUT 1-4
V
I
*
User-supplied voltage
Copyright © 2009, Impinj, Inc.
Table 5: DB-15 Connector Pin-Out
Pin
I/O Name
14
User IN 3
15
User IN 4
Table 6: GPIO Interface Electrical Specification
Description
Output current
HIGH level input voltage
LOW level input voltage
Input current
Input voltage range
Output high voltage
Output low voltage
Operating voltage range
Appendix B: GPIO Details
I/O Function
Isolated input 3
Isolated input 4
Min
Max
Unit
200
mA
3
30
V
0
2
V
5
mA
0
30
V
V+*
V
Vol+5
V
40
V
Conditions
24V input
No damage
10k pullup
200mA load
24
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