User's Manual

SmarTire Systems Inc.
Tire Monitoring System Reference Manual
6/20/2000 Page 50 of 56
This manual is under review by SmarTire – DO NOT ISSUE
Connection to External Systems
Interface; IPC to RS232
GEN II BATTERY CONNECTOR PIN DESIGNATIONS
Battery connector as seen from
the rear of PCB.
PIN # DESIGNATIONS
1 Open collector output (P2-4) - Diagnostic
2 E-I2C-CLK Communication (Clock)
3 Open collector output (P2-2) – Pressure alert
4 E-I2C-DAT Communication (Data)
5 No Connection
6 No Connection
7 Vin (supply voltage)
8 Ground
9 Battery pack input (4.5V)
10 Ground
Note:
a) All open collector outputs can drive up to 50 mA max.
b) Communication lines are level shift protected.
c) Vin (supply voltage 8.5Vdc to 26 Vdc max.
d) Battery pack is comprised of 3 – 1.5V AA batteries (4.5Vdc)
e) Connector used on Receiver PCB: SAMTEC:TML-105-02-G-D-RA
f) Mating connector for above: SAMTEC:SMS-105-01-G-D