Honeywell International Inc. IM11PRT 用户手册
IM11 RFID Reader Module Integration Guide (Confidential)
25
Input and Output Voltage Level Descriptions
Auxiliary outputs are 3-state inputs (high impedance) on power-up
until they are written to for the first time. You should provide pullups
or pulldowns to keep any external logic disabled during this
condition.
until they are written to for the first time. You should provide pullups
or pulldowns to keep any external logic disabled during this
condition.
Voltage Levels
Low
High
Notes
Inputs
0 to 0.8 V
2.4 to 5.5 V
± 10 μA max input current
Outputs 0.4 V max @ 4 mA 2.9 V min @ -4 mA