ISM43907-WM-L170 Serial-to-WiFi Module

ISM43907-WM-L170

The ISM43907-WM-L170 is an embedded 2.4 & 5.0 GHz Wi-Fi module. The Wi-Fi module hardware consists of a Cypress 43907 SOC with ARM Cortex-R4 clocked at 320 MHz, 2 MB of SRAM and 640 KB ROM, all clocks, T/R switch and duplexer 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 or the Cypress WICED SDK set to establish connectivity for your wireless product. The module has a very small 11 mm x 11 mm surface mount footprint and has full FCC and CE module certification (In process). 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.

Summary of the key features for this wifi module

  • ARM Cortex-R4 clocked at 160 MHz (in 1× mode) or up to 320 MHz (in 2× mode).
  • 2 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
  • Configurable using AT commands (IWIN) or WICED
  • Host interface: UART or SPI
  • 11mm x 11mm x 1.2 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 

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