
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.
Features
- 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
- SUSPEND
- 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
Applications
- IoT applications
- Smart appliances
- Multimedia streaming
- Safety and security
- Home automation
- Consumer electronics
- Industrial automation
Specifications
- 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
Documents
Board Layout

ATSAMW25 Block Diagram

Published: 2015-05-26
| Updated: 2022-09-19