Microhard Systems BulletPlus Operating Manual page 119

4.0 Configuration
© Microhard Systems Inc.
Name Description
I/O 1 - 2 Input low state voltage
(Input) range
Input high state voltage
range
Input leakage current
(3.3 VDC IN)
Typical application input source is a dry switch contact to ground.
Pin includes an internal 56KΩ resistor pull up to 3.3 VDC.
I/O 1 - 2 Open drain drive to
(Output) ground
Maximum open circuit
voltage applied
Typical application is to drive a relay coil to ground.
Parameter Min.
VIL -0.5
VIH 1.5
IIN —-
Idc —-
Voc —-
Table 4-9-1: Digital I/O Specifications
Typ. Max Units
0 1.2 V
3.3 30 V
58 —- µA
100 110 mA
3.3 30 V
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