User's Manual

Note d‘étude / Technical document :
URD1– OTL 5696.1– 003 / 72361 Edition 02
HILO 3G Application Note
17 January 2011 - Page 7 / 38
2. Block Diagram
Antenna Port
Power Control
Antenna
Power on
Signal
Reset
USB Slave
USB
Master
GPIO
Three
GPIO
ADC
External
Analog
input
USB Slave
SIM 3V &
1.8V
Power Supply
47uF
DC
3.7V
Battery
2.85V
UART
Full UART
PWM
Audio
HiLo 3G
Vibrating
device
Microphone
Speaker
PCM
Figure 1: HiLo3G module Block diagram