WIFI模块使用手册

Embedded Wi-Fi modules

Make Wi-Fi connection simple

Contents

•Introduction to the embedded Wi-Fi module •How to uses the Wi-Fi module

Outstanding Features 1

Fast, ease of use embedded system interface

★UART baudrate is up to 921600

★Max. data transmission speed: 90kbytes/s (UART)，

130kbytes/s (SPI)

★Support UART hardware flow control, to ensure

reliable data transmission in high speed

★Simplified hardware connections

Outstanding Features 2 Secure, stable Wi-Fi link

★Support AP mode and Ad-hoc mode

★IEEE 802.11 b/g compatible

★Detect Wi-Fi’s disconnection, and auto recover

★Support WPA/WPA2 PSK encryption, WEP

encryption

★IPEX antenna connector

★CE，FCC passed

Embedded TCP/IP stack designed for data transmission

★Support UDP protocol, broadcast and unicast

★Support TCP protocol, act as TCP server or client

★Auto reconnect after TCP link is lost

★Transfer data to internet through a gateway

★Support DNS service

Flexible configuration and management

★Use EMSP command set to control and config

module through UART or SPI

★Send EMSP command from Wi-Fi network

★Configuration on html pages

★Configuration software is provided on multiple

platforms

Designed for embedded systems

★Less than 210mA (15dBm RF power) in run mode

★Less than 1mA in sleep mode

★Time interval from reset to transmission is less than 3

second (WEP encryption), 6 second (WPA/WPA2

encryption)

★Multiple dimensions, ease of integration

Designed for embedded systems

★Industrial temperature range: －40〜～80℃

★Module test appliance is provided

★ROSH certification passed

★Evaluation boards, API library and test source codes

are provided

上海庆科信息技术有限公司

Multiple firmware for different application Hardware Multiple TCP TCP Function Max. Speed Flow Control

Security

TCP client Server UDP Client 90kbytes/s（UART）High Security WPA/WPA2 PSK 130kbytes/s（SPI）✓

WEP ✓✓✓✓90kbytes/s（UART）High Speed 130kbytes/s（SPI）✓WEP ✓

✓✓11.5kbytes/s（UART）

Basic

130kbytes/s（SPI）WEP ✓✓High Security POS, Smart Power Met r Meter, Business, In ess, Industrial Automa tomation Syste Systems High Speed Auto electronics, Intell ntelligent home ap me appliances, Medica Medical/Health C alth Care Basic Personal application, C on, Communicate cate with smart phon phones and pad d pads

Stack Wi-Fi modules are combined with a network base board and a IEEE

802.11 baseband module independently. They have passed CE ，FCC authentication and exported to various countries.

1.27mm lead pitch

2.0mm lead pitch

2.54mm lead pitch

6High speed 1SPI 2 2.0mm lead pitch pins 4Basic 3 2.54mm lead pitch pins