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Microchip Technology RNWF02 Low Power Wi-Fi® Modules

Microchip Technology RNWF02 Low Power Wi-Fi® Modules are 2.4GHz IEEE® 802.11b/g/n compliant, fully RF-certified wireless modules designed for Internet of Things (IoT) applications. These modules are interfaced via a two-wire or four-wire UART interface with Microchip’s simple ASCII-based AT commands for easy integration into most of the applications. The host microcontroller can dynamically configure the RNWF02 module with a few simple ASCII commands. The module operates at a single supply voltage VDD (3.3V typical), and specific Input/Output (IOs) pins support a voltage range of 1.8V to 3.6V by supplying the VDDIO pin separately. The RNWF02 modules are available with an onboard Printed Circuit Board (PCB) antenna or U.FL connector for an external antenna and with or without a Trust&Go CryptoAuthentication™ device.

Features

  • Compliant with IEEE 802.11 b/g/n single spatial stream of 20MHz channel Bandwidth
  • Transmission Control Protocol/Internet Protocol (TCP/IP)-based connectivity protocols along with SSL and MQTT capabilities
  • Supports STA Mode and Soft AP functionality in IEEE 802.11 infrastructures and IBSS networks
  • Protected Management Frame (PMF) handled in hardware, WPA3 support
  • Integrated Power Amplifier (PA), TX/RX switch, and power management
  • Internal flash memory to store firmware
  • Immutable secure boot with hardware root of trust
  • Supports host-assisted Over-the-Air (OTA) firmware updates
  • On-chip network stack to offload the MCU
    • TCP, UDP, DHCP, ARP, HTTP, MQTT, IPv6 TLS 1.2, and DNS network features
    • Hardware accelerators for Wi-Fi and TLS security to improve connection time
  • Optional low-power 32.768KHz secondary oscillator (RTCC oscillator) for real-time clock and calendar applications
  • Hardware-based IEEE 802.15.2 compliant 3-wire Packet Traffic Arbitration (PTA) interface for Wi-Fi/BLUEtOOTH® coexistence
  • UART host interface
  • Secure Device Firmware Upgrade (DFU)
  • Integrated Trust&Go CryptoAuthentication device (optional)
  • Operating conditions
    • 3.0V to 3.6V operating voltage range (VDD), 3.3V typical, 1.8V to 3.6V VDDIO
    • -40°C to +85°C operating temperature range
  • Security
    • Hardware accelerated security modes (CryptoMaster) with built-in DMA support
      • Encryption engines (AES and TDES with different NIST modes of operation); Electronic Code Book (ECB), Cypher Block Chaining (CBC), Counter Mode (CTR), Cypher Feedback Mode (CFB), and Output Feedback Mode (OFB); 128b, 192b, and 256b AES key sizes
      • SHA-1/SHA-2, AES GCM (Galois/Counter mode), and HMAC/AES CMAC authentication engines
      • On-chip oscillator for NDRNG generation
    • Multi-purpose public key crypto engine supporting the following algorithms
      • ECC/ECDH/ECDSA with standard NIST prime curves up to 521-bit, Curve25519 and Ed25519
      • RSA up to 2048-bit keys
  • Module variants
    • PCB antenna (RNWF02PE)
    • U.FL connector for an external antenna (RNWF02UE)
  • Package
    • 28-pin SMD package with shield CAN
    • 21.7mm x 14.7mm x 2.1mm size
  • Certifications
    • FCC, ISED, UKCA, and CE radio regulations
    • RoHS and REACH compliant

Applications

  • Smart factories/control devices
  • Security systems and CCTV
  • Smart homes/lighting and smart locks
  • Computing, Wi-Fi dongles, and protocol bridging
  • Internet of Things (IoT) sensor tags
  • Remote controls
  • Wearable smart devices
  • Industrial control

Specifications

  • -97dBm RX sensitivity
  • 98mA RX current consumption
  • 20dBm TX output power
  • 311mA TX current consumption
  • 0.7µA power down mode current consumption
  • 2048KB flash

Block Diagram

Block Diagram - Microchip Technology RNWF02 Low Power Wi-Fi® Modules

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Gepubliceerd op: 2024-11-08 | Bijgewerkt op: 2025-01-16