User's Manual

Product Specification and User Manual RFID GEN3 System
CONFIDENTIAL
Page 24 of 34
4.1.4 Pin C: 1-WIRE / MOWP
This pin is used for communication with an ECU or a diagnostic tool.
Characteristic Unit Minimum Nominal Maximum
Voltage, absolute maximum rating (steady state) V -18 --- 18
Voltage, operating V 5
Logic level V Low: 1.45 --- High: 3.25
Table 8: 1-WIRE / MOWP Characteristics.
4.1.5 Pin D: VBATT
This pin is used to supply power to the RFID Post, to be connected to the vehicle’s positive
switched battery connection (KL15).
Characteristic Unit Minimum Nominal Maximum
Voltage, absolute maximum rating (steady state) V -18 --- 18
Voltage, operating V 6* --- 18
DC current mA 20 27, 160 200
Table 9: VBATT Characteristics.
*The Key reading have been demonstrated at an operating voltage of 6V at room
temperature. The Key reading performance is not guaranteed during starting voltage
pulse or similar events due to possible interference with the RF communication.
4.1.6 Pin E: CAN HI
This pin is used for communication with an ECU or a diagnostic tool.
Characteristic Unit Minimum Nominal Maximum
Voltage, absolute maximum rating (steady state) V -18 --- 18
Voltage, operating V 5
Dominant state V 2.75 --- 4.5
Recessive state V 2 2.5 3
Table 10: CAN HI Characteristics.