User's Manual

HiLo3G-850 User Manual
04 March 2011 - Page 6 / 36
2. Block Diagram
Antenna Port
RF_Con
Power Control
PWON
RESET
Antenna
Power on
Signal
Reset
USB Slave
UART_DSR
USB_DP
USB_DN
VUSB
USB
Master
GPIO
GPIO 1
GPIO 2
GPIO 3
Three
GPIO
ADC
ADC
External
Analog
input
USB Slave
SIM 3V &
1.8V
SIM_CLK
SIM_RST
SIM_DATA
VSIM
Power Supply
VBACKUP
VBAT(4)
VGPIO
GND(4)
47uF
DC
3.7V
Battery
2.85V
UART
UART_DCD
UART_TX
UART_CTS
UART_RX
UART_RTS
UART_RI
UART_DTR
Full UART
PWM
PWM
Audio
UART_DSR
MIC_N
MIC_P
HSET_P
HSET_N
PCM_IN
PCM_SYNC
PCM_OUT
PCM_CLK
HiLo3G-850
Vibrating
device
Microphone
Speaker
PCM
Figure 1: HiLo3G-850 module Block diagram