42.2 Features

2.4 GHz RF Transceiver

• Integrated 2.4 GHz Ultra Low Power RF Transceiver Shared Between Bluetooth® and Zigbee® Modems and Link (MAC) Controllers
• Integrated 16 MHz ±30 ppm Crystal Oscillator (External Low Cost Crystal)
• Two PA Design Architecture (LPA (+4 dBm) and MPA (+12 dBm)) to Improve TX Power Efficiency
• WBZ451H: 48-Pin QFN LPA/MPA Combined with External FEM Design to Achieve +20 dBm Output Power
• Low RBOM Two-Port TRX RFFE Architecture
  • Integrated balun (single-ended RF output) and TRX Switch
• Hardware Radio Arbiter with Programmable QoS:
  • Resolution: up to per packet level
  • Time-division coexistence between Bluetooth and 802.15.4
  • Based on shared transceiver and antenna
  • Maintains connections of 802.15.4 and Bluetooth simultaneously

Bluetooth

• Bluetooth Low Energy 5.2 Certified
• Programmable Transmit Output Power:
  • WBZ45 – Up to +12 dBm
  • WBZ451H – Up to +20 dBm
• Typical Receiver Power Sensitivity:
  • WBZ45:
    • -97 dBm for Bluetooth Low Energy 1 Mbps
    • -94 dBm for Bluetooth Low Energy 2 Mbps
    • -104 dBm for Bluetooth Low Energy 125 Kbps
    • -101 dBm for Bluetooth Low Energy 500 Kbps
    • Digital RSSI indicator (-50 dBm to -90 dBm)
  • WBZ451H:
    • -99 dBm for Bluetooth Low Energy 1 Mbps
    • -96 dBm for Bluetooth Low Energy 2 Mbps
    • -106 dBm for Bluetooth Low Energy 125 Kbps
    • -102 dBm for Bluetooth Low Energy 500 Kbps
• Bluetooth Supported Features:
  • 2M uncoded PHY
  • Long range (Coded PHY)
  • Channel selection algorithm #2
  • Advertising extensions, offloads CPU with hardware-based scheduler
  • High duty cycle non-connectible advertising
  • Data length extensions
  • Secure connections
  • Privacy upgrades (with hardware white-list support)
• ECDH P256 Hardware Engine for Link Key Generation when Bluetooth Pairing
• AES128 Hardware Module for Real-Time Bluetooth Payload Data Encryption
• HCI Interface via UART
• Bluetooth Low Energy Profiles:
  • Bluetooth Low Energy peripheral and central roles
  • Bluetooth Low Energy APIs for application layer to implement standard or customize GATT based profiles/services
  • Microchip Transparent UART Service
  • Battery Service
  • Device Information Service
  • Multi-link and multi-role
• Bluetooth Low Energy Services:
  • Provisioning
  • Over-The-Air (OTA) update (also known as DFU)
  • Advertisement/Beacon
  • Personalized configuration
  • Alert notification service

802.15.4/Zigbee/Thread

• 802.15.4/Zigbee PSDU data rate: 250 Kbps
• Programmable RX Mode:
  • Continuous mode:
    • WBZ45: -103 dBm RX sensitivity
    • WBZ451H: -104 dBm RX sensitivity
  • RPC mode:
    • WBZ45: -98 dBm sensitivity
    • WBZ451H: -103 dBm sensitivity
  • RPC mode provides lower power consumption in RX mode to support California Green Energy Specification at the system level
• Hardware-Assisted MAC:

  • Auto acknowledge

  • Auto retry

  • Channel access back-off

• SFD Detection, Spreading, De-Spreading, Framing, CRC-16 Computation

• Independent TX/RX Buffers for Improved CPU Offloading while Handling Zigbee Data:

  • 128-byte TX and 128-byte RX frame buffer

• Hardware Security:

  • Advanced Encryption Standard (AES)

  • True Random Number Generator (TRNG)

• Zigbee Stack Support:
  • Zigbee 3.0 ready
  • Zigbee Pro 2015
  • Zigbee green power support (proxy, sink and multi-sensor)

• Thread Stack Support:

  • Thread 1.3.0

• Receiver Sensitivity:
  • WBZ45: Up to -96 dBm
  • WBZ451H: Up to -99 dBm
• Hardware-Assisted MAC:
  • Auto acknowledge
  • Auto retry
  • Channel access back-off
• SFD Detection, Spreading, De-Spreading, Framing, CRC-16 Computation
• Independent TX/RX Buffers for improved CPU Offloading while Handling Zigbee Data:
  • 128-byte TX and 128-byte RX frame buffer
• Hardware Security:
  • Advanced Encryption Standard (AES)
  • True Random Number Generator (TRNG)