User`s manual

W406 Hardware User’s Manual Introduction
Hardware Block Diagram
W406
UART
Cirrus Logic EP9302 ARM9
32-bit RISC CPU, 200 MHz
16MB
Flash
Power
Circuit
RTC
Watchdog
LAN
MAC
PHY
Ethernet
Cellular
GSM/GPRS/EDGE
SD
RS-232/422/485 RS-232
UART UART
32MB
RAM
DI x 4
DO x 4
USB
USB
Hub
UART UART
Serial
Port 1
Console
Port
Serial
Port 2
1-7