Features

  • IEEE® 802.11 b/g/n 20 MHz (1x1) solution
  • Single spatial stream in 2.4 GHz ISM band
  • Integrated Transmit/Receive switch
  • Integrated PCB antenna or U.FL micro co-ax connector for external antenna
  • Superior sensitivity and range via advanced PHY signal processing
  • Advanced equalization and channel estimation
  • Advanced carrier and timing synchronization
  • Wi-Fi® Direct (supported till firmware release 19.5.2)
  • Soft-AP support
  • Supports IEEE 802.11 WEP, WPA, WPA2 security
  • Support Enterprise security with WPA/WPA2 (802.1X)(1)
    • EAP-TLS
    • EAP-PEAPv0/1 with TLS
    • EAP-TTLSv0 with MSCHAPv2
    • EAP-PEAPv0/1 with MSCHAPv2
  • Superior MAC throughput via hardware accelerated two-level A-MSDU/A-MPDU frame aggregation and block acknowledgment
  • On-chip memory management engine to reduce host load
  • SPI host interface
  • Operating temperature range from -40°C to +85°C. RF performance at room temperature of 25oC with a 2-3 dB change at boundary conditions
  • Power supply for I/O (VDDIO) rages from 2.7V to 3.6V
  • Power supply for DC/DC converter (VBAT) ranges from 3.0V to 4.2V
  • Built-in 26 MHz crystal
  • Integrated Flash memory for system software
  • Power Save modes
    • 4 µA Power-Down mode typical at 3.3V I/O
    • 380 µA Doze mode with chip settings preserved (used for beacon monitoring) (2)
    • On-chip low power sleep oscillator
    • Fast host wake-up from Doze mode by a pin or SPI transaction
  • Fast Boot options
    • On-chip boot ROM (Firmware instant boot)
    • SPI flash boot
    • Low-leakage on-chip memory for state variables
    • Fast AP re-association (150 ms)
  • On-chip Network stack to offload MCU
    • Network features TCP, UDP, DHCP, ARP, HTTP, TLS and DNS
    • Hardware accelerators for Wi-Fi and TLS security to improve connection time
  • Hardware accelerator for IP checksum
  • Hardware accelerators for OTA security
  • Small footprint host driver
  • Wi-Fi Alliance® certifications for Connectivity and Optimizations
Note:
  1. For more information on the software features, refer to the Wi-Fi Network Controller Software Design Guide at ww1.microchip.com/downloads/en/DeviceDoc/00002389A.pdf.
  2. For more information on the module power modes, refer to Power Consumption.