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EZURiO's Wireless LAN Module is a fully integrated and qualified solution unlike other modules all the drivers and antenna are integrated. This makes certain the module is designed for lowest cost of integration and ownership for designers wishing to incorporate Wireless LAN functionality into their products.
The Wireless LAN module is one of the most compact complete Wireless LAN solutions, incorporating all the required 802.11b/g drivers and an Ultra Compact TCP/IP and the EZURiO UWScript language embedded directly into the module, making it ideal to integrate into Machine 2 Machine applications.
The EZURiO Wireless LAN module contains all of the hardware, firmware and embedded drivers for a complete Wireless LAN solution, requiring no further components. The Module has an integrated, high performance antenna which is matched with the Wireless LAN RF and baseband circuitry. The firmware integrated into the module interfaces with the host via a UART which carries control and data frames. The TCP/IP stack requires minimal operating overheads from the operating system and allows simple passing of control frames contain simple commands used to configure and monitor the module operation into EZURiO's command interpreter.
The feature rich command set abstracts the Wireless LAN protocol from the host application, saving many months of programming and integration time. A low cost development system is available for fast product evaluation and development.
In addition to the Wireless LAN functionality, the module provides access to 9 General I/O lines and 2 analogue input lines. These can be configured using scripts to provide control or monitoring of simple devices such as switches or LEDs without requiring any external processing. Both the GPIO and ADC lines can be accessed using scripts over either via the wired host UART connection, or remotely over the Wireless LAN connection.
The Wireless LAN module is supplied in a small pcb form factors (22.0mm x 34.0mm x 7.6mm), that connects to a main pcb using a 40 way Hirose connector which is pin compatible with the EZURiO Bluetooth Intelligent Serial Module BISMII. The module includes a high sensitivity, high gain antenna which provides excellent range. Typical open field performance provides ranges of over 100 metres.
Support is provided for low power modes that make the Wireless LAN module particularly applicable to battery powered installations. The Wireless LAN module is Lead-free and is RoHS compliant and supports an industrial temperature range of -40°C to +85°C.
WISMC01BI Maximum Ratings
Parameter
Min
Max
Unit
Peak current of power supply
550
mA
Voltage at digital pins
-0.3
3.3
V
Voltage at POWER pin
3.3
5
V
Absolute maximum ratings for supply voltage and voltages on digital and analogue pins of the Module are listed below; exceeding these values will cause permanent damage.
WISMC01BI Features
Wireless LAN Transmission Complete stand alone device with on board flash Drivers Embedded 802.11b/g Protocol TCP/IP IPv4 and DHCP Range 100 meters typical Frequency 2.4 2.484 GHz Channels 11 channels USA 13 channels Europe (excl France) 14 channels Japan 4 channels France Max Transmit Power +15 dBm @ antenna connector. +17dBm from integrated antenna +10 dBm limit for France and Hungary Receive Sensitivity -84dBm @ 2Mbps Interface UART Interface Programmable Real-time scripting engine Data Transfer rate Up to 2 Mbps (determined by UART) Serial Interface RS-232 bi-directional for commands and data. 16550 compatible. Serial parameters Default 115200,n,8,1 Configurable from 9,600 bps. Default 115,200 bps DTR, DSR, DCD, RI, RTS, CTS Security WEP encryption 64 and 128 bit options Network support Access Point I/O 2 x 10bit ADC's 9 GPIO Current consumption Less than 250mA (this depends on the data rate 250mA is at 115kbaud) during data transfer with a configurable low power mode Temperature Range Normal operation: -30°C to +60°C Limited functionality: -40°C to +85°C Supply Voltage 3.3V 5.0V Interface Levels 3.0V Logic Connection Option: 40 way BISM II pin compatible Hirose connector Or 50 way Hirose Connector with industrial standard pin configuration Lead free Lead-free and RoHS compliant Warranty 2 Years
