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 Crystal Oscillator with Support for 16 MHz Crystal
  • Internal Parallel PA Paths, Which May Be Shut Down to Control Pout as well as Current Consumption to Improve TX Power Efficiency
  • Low BOM Single-Ended TRX RFFE Architecture
    • Integrated balun (single ended RF output) and TRX switch
  • Hardware Radio Arbiter with Programmable QoS:
    • Resolution: up to per packet level
    • Based on shared transceiver and antenna

Bluetooth

  • Bluetooth Low Energy 5.2 Certified
  • Up to +10 dBm Programmable Transmit Output Power
  • Typical Receiver Power Sensitivity:
    • -97 dBm for Bluetooth Low Energy 1 Mbps
    • -95 dBm for Bluetooth Low Energy 2 Mbps
    • -108 dBm for Bluetooth Low Energy 125 Kbps
    • -102 dBm for Bluetooth Low Energy 500 Kbps
  • Wideband RSSI
  • Enables Interference Robustness and Higher Tolerance to Out-of-Band Blockers
  • 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
  • LE Power Control
  • Bluetooth Low Energy Profiles/Services:
    • Bluetooth Low Energy peripheral and central roles
    • Bluetooth Low Energy APIs for application layer to implement standard or customize GATT based profiles/ services
    • Alert notification service
    • Proximity reporter (PXP)
    • Time information

Zigbee

  • PSDU Data Rate: 250 Kbps
  • Programmable RX Mode
    • -103 dBm RX sensitivity (typical) in the Continuous mode
    • -96 dBm sensitivity in the RPC mode
    • RPC mode provides lower power consumption in the RX mode to support California Green Energy Specification at the system level
  • TX Output Power Up to +10 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)
  • Zigbee Stack Support
    • Zigbee 3.0 ready
    • Zigbee Pro 2017
    • Zigbee green power support (proxy, sink and multi sensor)

Proprietary Modulation Schemes

  • 500 kbps and 1 Mbps are 2.4 GHz Proprietary with DSSS
  • 2 Mpbs are 2.4 GHz Proprietary Without DSSS
  • Typical Sensitivity Level for the Proprietary Data Rates:
    • 500 Kbps: -98 dBm
    • 1 Mbps: -96 dBm
    • 2 Mbps: -90 dBm