ISM43903-R48-L54-E/U Serial-to-WiFi Module

ISM43362-M3G-L44

The ISM43903-R48-L54-E/U is an embedded 2.4 GHz Wi-Fi module. The Wi-Fi module hardware consists of a Cypress 43903 SOC with ARM Cortex-R4 clocked at 160 MHz (in 1× mode) or up to 320 MHz (in 2× mode), an integrated antenna or optional external antenna, 1 MB of SRAM and 640 KB ROM available for the applications processor, SPI or UART interface capability.

The Wi-Fi module requires no operating system and has an integrated TCP/IP stack that only requires a simple AT command set to establish connectivity for your wireless product. The module has a very small 14.5mm x 30mm surface mount footprint and has full FCC and CE module certification.

This product is targeted for low cost embedded wireless applications and enables a quick, easy and cost effective method adding WiFi connectivity to your platforms.

A summary of the key module features

  • ARM Cortex-R4 clocked at 160 MHz (in 1× mode) or up to 320 MHz (in 2× mode).
  • 1 MB of SRAM and 640 KB ROM available for the applications processor.
  • One high-speed 4-wire UART interface with operation up to 4 Mbps.
  •  Two low-speed 2-wire UART interfaces multiplexed on general purpose I/O (GPIO) pins.
  • SPI master/slave interfaces with operation up to 24 MHz
  • U.FL Connector for external 2.4 GHz Antenna
  • Configurable using AT commands (IWIN)
  • Host interface: UART
  • 44-Pin and L44+10 Land Grid Array Footprint
  • 14.5mm x 30mm x 2.5 mm
  • 17 GPIO’s
  • Input Voltage: 3.3 V
  • Low power operation with built-in low power modes.
  • 802.11 b/g/n Compatible based on Broadcom MAC/Baseband/Radio device.
  • Fully contained TCP/IP stack thus minimizing host CPU requirements
  • Network features ICMP ( Ping), ARP, DHCP,TCP, UDP
  • Low power operation (3.3V supply) with built-in low power modes.
  • Secure WiFi authentication WEP-128, WPA-PSK (TKIP), WPA2-PSK 

Product Documentation

Technical Resources

Product Resources

Software Scripts Examples

Embedded Talk Video’s

Evaluation Board Detail

ISM43362-M3G-EVB
Evaluation board ISM43362-M3G-EVB-E

Applications

  • PDA, Pocket PC, computing devices
  • Building automation and smart energy control.
  • Industrial sensing and remote equipment monitoring.

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