User's Manual
Doc No:
Topic:
User Manual of TomTom HD
Traffic Receiver Module 1 US
Ver:
1.1
Page:
10 / 39
Page 10 of 39
Output voltage 2.76 V 2.85 V 2.93 V
Output current 50 mA
Output bypass capacitor 2.2 uF
2.9 Connector interface
2.9.1 Board-to-board connector interface
PIN Definition
GND 1 2 GND
Vpower 3 4 Vpower
Vpower 5 6 Vpower
GND 7 8 GND
SYS_EN 9 10 VIO
GND 11 12 GND
EXTRSTN 13 14 CTS
GND 15 16 RTS
NC 17 18 RXD
NC 19 20 TXD
2.9.2 Interface description
PIN
Name I/O Function I/O type Description
1 GND PWR GSM Power Supply Ground
Power GND
2 GND PWR GSM Power Supply Ground
Power GND
3 Vpower PWR GSM Power Supply
From 3.5 to 4.2 V (Typ:
3.8 V)
Input power for System
4 Vpower PWR GSM Power Supply
From 3.5 to 4.2 V (Typ:
3.8 V)
Input power for System
5 Vpower PWR GSM Power Supply
From 3.5 to 4.2 V (Typ:
3.8 V)
Input power for System
6 Vpower PWR GSM Power Supply
From 3.5 to 4.2 V (Typ:
3.8 V)
Input power for System
7 GND PWR GSM Power Supply Ground Power GND
8 GND PWR GSM Power Supply Ground Power GND
9 SYS_EN I Power on/off system
CMOS 3.3V
compatible
When SYS_EN is
high , the system will
power on
10 VIO O 2.85V Output 2.85V Output
The range of VIO is
between 2.76V and
2.93V
11 GND PWR GSM Power Supply Ground Power GND