User's Manual

CAREU U

ehicle

racker User Guide

Chapter 1

1.4 Hardware Architecture

As hardware is concerned, the CAREU U3 is comprised of a micro-controller, regulator,

GPS receiver, GSM/GPRS modem, G-Force sensor, flash memory data storage,

audio interface, I/Os interface, serial ports and LED status indicators.

Optional

SPI

FLASH

CAN

External

Device

G-Sensor

I/O Ports

GPS

USB

CPU

Power

MIC

Speaker

GSM

Modem

Audio

AMP

RS232

• Users can connect PC's HyperTerminal to the Diagnostic/setting port for the AVL

configuration.

• G-Sensor for car accident prevention, car tow-away warning and power management.

• The audio interface supports hand-free phone call.

• GPIO that connects to any customer monitoring points by door switch, anti-thief or

actuators.

• The A/D input that connects the analog signal sensor to the AVL, such as the fuel or

temperature sensor.