WF200 Series 2 Wi-Fi Transceiver IC

Features

• 802.11 b/g/n Wi-Fi transceiver including the radio, baseband, MAC, security and host interface
• Superior link budget with integrated LNA, PA, and Balun
• OTP included removing the need for an external EEPROM
• Ultra-low power optimized IoT solution
• End-to-end security with hardware protected secure boot and encrypted host interface
• 802.11 split and full MAC architecture support
• Complete Network Co-Processor (NCP) support for Linux and RTOS external hosts

Standards/IEEE 802.11 and WFA

• b - bit rates: up to 11 Mbps
• g - bit rates: up to 54 Mbps
• n - bit rates: up to 72.2 Mbps
• d - regulatory domains
• e - QoS as per definition in WMM specification
• i - as per definition in WPA2 specification
• w - protected management frames
• WMM Power save
• WPA/WPA2 Personal
• Supported with Host Security Supplicant:
  • WPA3
  • WPA2 Enterprise
  • WPS - Wi-Fi Protected Setup

Key MAC and Baseband Features

• 1x1 802.11n with full 802.11 b/g compatibility, 72.2 Mbps
• Greenfield Tx/Rx for 802.11n optimal performance
• Short Guard Interval (SGI) for 802.11 optimal throughput
• A-MPDU Rx and Tx for high MAC throughput
• Block Acknowledgement support
• Rx Defragmentation
• Roaming supported
• Client, SoftAP modes supported
• Concurrent AP + STA support

RF Features

• Tx Power: +17 dBm
• Rx Sensitivity: -96.3 dBm
• Dual 2.4 GHz antenna pads for antenna diversity and Front End Module (FEM) support
• 2.4 GHz co-existence; 2-, 3-, and 4-wire PTA support
• Integrated Balun, T/R switch, LNA and PA for 2.4 GHz

Power Consumption

• Rx (@1DSSS): 41.6 mA
• Tx (17 dBm @1DSSS): 152.6 mA
• Associated: DTIM3: 298 μA
• Sleep: 22 μA
• Power off: < 0.5 μA

Host Interfaces

• SDIO (1-bit and 4-bit SD mode up to 26 MHz)
• SPI (1-bit up to 52 MHz)

Peripheral Interfaces

• External 32 kHz crystal for low-power clock control
• GPIOs (including wake-up and Tx/Rx activity monitoring)

ROHS/REACH Compliant

Electrical Characteristics

• 1.8 V - 3.6 V

Operating Temperature Range

• -40 °C to +105 °C

Packaging

• 4 x 4 QFN32

Security and Encryption Features:

• Secure boot with roll-back prevention
• Encrypted host interface, dedicated hardware acceleration block
• Integrated True Random Number Generator
• Secure key storage using protected OTP technology
• AES/WEP hardware acceleration