User's Manual

Doc No： Topic：
User Manual of TomTom HD
Traffic Receiver Module 1 US
Ver：
1.1
Page：
8 / 39
Page 8 of 39
Power off current (Typical) <= 60 uA
Stand-by current (GSM idle) <= 4 mA
Operating current in GSM channel <= 300 mA
Operating current in GPRS class 10 <= 500 mA
2.4 SIM reader
The HD Traffic Receiver Module 1 US support phase 2 GSM11.14 - SIM 1.8V/3V volts.
2.5 Data transmission
The HD Traffic Receiver Module 1 US supports GPRS Class 10, MS Class B.
2.6 Logic level specifications
Where not specifically stated, all the interface circuits work at 2.8V CMOS logic levels.
The following table shows the logic level specifications used in the module interface circuits:
Absolute Maximum Ratings –Not Functional
Parameter Min Max
Input level on any digital pin when on - 0.3 V + 3.75 V
Input voltage on any analog pins when on - 0.3 V + 3.0 V
Operating Range –Interface level (2.8V CMOS)
Level Min Max
Input high level 2.1 V 3.3 V
Input low level 0 V 0.5 V
Output high level 2.2 V 3.0 V
Output low level 0 V 0.35 V
Operating Range –Interface level (2.0V CMOS)
Level Min Max