Microchip Technology SAMW25 SmartConnect Wi-Fi® Module

Microchip Technology SAMW25 SmartConnect Wi-Fi® Module features the low-power 2.4GHz IEEE® 802.11 b/g/n Wi-Fi ATWINC1500 SoC (System on Chip) along with the SAMD21 Arm® Cortex®-M0+ Microcontroller. The SAMW25 Module offers the ideal solution for designers seeking Wi-Fi connectivity. This turnkey system has an integrated software solution with security protocols such as TLS, SSL, and WPA/WPA2. The SAMW25 modules also incorporate network services such as DHCP, DNS, TCP/IP (IPv4), UDP, HTTP, and HTTPS.

The Microchip Technology SAMW25 SmartConnect Wi-Fi Modules opens the door to the Internet of Things for a vast array of battery-powered devices and applications requiring the integration of WLAN connectivity without compromising on cost and power consumption.


  • Certified Wi-Fi ATWINC1500A-MU-T Wi-Fi SoC
  • SAM D21 Arm Cortex-M0+ Microcontroller
  • IEEE 802.11 b/g/n 20MHz (1x1) solution
  • Single spatial stream in 2.4GHz ISM band
  • 33.863mm x 14.882mm compact footprint 
  • Radio:
    • Output power - 802.11b /11Mbps: 17dBm ±1dB
    • 802.11g /54Mbps: 15dBm ±1dB @ EVM -28dB
    • 802.11n /65Mbps: 13dBm ±1dB @ EVM -30dB
  • Application processor:
    • Microchip SAMD21 ARM Cortex-M0+ based microcontroller
    • 256KB embedded Flash and 32KB SRAM
    • Full-Speed USB Device and embedded host
  • CryptoAuthentication™ ATECC508 (optional) I/O operating voltage: 2.7 to 3.6V
  • Power Amplifier and Onboard Switching Regulator operating voltage: 2.7 to 4.6V
  • Power states supported:
    • Provision (AP/Sniffer) IDLE LISTEN
    • IDLE
  • Extreme low power, on-chip low power sleep oscillator
  • Serial Host Interface SPI or UART
  • Software upgrade Over-the-Air (OTA)
  • FCC, CE, IC, and TELEC Certified; RoHS compliant
  • WPA/WPA2 Personal, TLS, and SSL security protocols
  • DHCP, DNS, TCP/IP (IPv4), UDP, HTTP, and HTTPS network services


  • IoT applications
  • Smart appliances
  • Multimedia streaming
  • Safety and security
  • Home automation
  • Consumer electronics
  • Industrial automation


  • Output power: 17 dBm
  • Host interface: SPI, UART
  • SPI: 1
  • I2C: 2
  • Frequency range: 2.412MHz to 2.484MHz
  • Rx input sensitivity: -98dB
  • Tx current consumption: 172mA
  • Rx current consumption: 70mA
  • USB transceivers: 2
  • Antenna: PCB
  • Operating voltage range: 2.7V to 3.6V
  • Operating temperature range: -40°C to +85°C
  • Pin count: 51
  • Package: Surface-mount module
  • Dimensions: 33.864mm x 14.908mm x 2.138mm 

Board Layout

Mechanical Drawing - Microchip Technology SAMW25 SmartConnect Wi-Fi® Module

ATSAMW25 Block Diagram

Block Diagram - Microchip Technology SAMW25 SmartConnect Wi-Fi® Module
เผยแพร่แล้ว: 2558-05-26 | อัปเดตแล้ว: 2565-09-19