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Low Energy, Low Cost SoCs

T2M ZigBee ZigBee / 15.4 / RF4CE Low Cost SoC

ZigBee / 15.4 / RF4CE Low Cost SoC

Description and Features

The  Zigbee/15.4/RF4CE SoC solution with internal Flash support. It supports IEEE 802.15.4 standard and Zigbee-compliant platform. The 8656 solution can be used for a wide range of applications and is perfect for creating interoperable solution for use within the home combined with our leading Zigbee/RF4CE software stack. The 8656 supports single or dual analog MIC or digital microphone, and stereo audio output with enhanced voice performance for voice search and other such applications. The 8656’s embedded 512kB FLASH enables dynamic stack and profile configurations and has hardware OTA upgrades support and multiple booth switching.The 8656 also include a full range of on-chip peripherals for interfacing with external components such as LED’s sensor touch controllers, keyboards and mice. This make it a ideal single chip solution for Zigbee/IEE 802.15.4/RF4CE applications for smart home.



Key features:

  • 32bit 48MHz MCU
  • Memory:
    • 512kB Flash
    • 48kB on-chip SRAM
  • RF transceiver:
    • Zigbee/2.4GHz RF transceiver
    • Zigbee compliant, 250Kbps
  • Rx Sensitivity: -95.5dBm@Zigbee 250Kbps
  • Tx output power: upto+10dBm
  • Power management:
    • Embedded LDO Power supply of 1.8V~3.6V with Battery monitor for low battery voltage detection
    • Brownout detection/shutoff and Power-On-Reset
  • Power performance:
    • Receiver: 5.3mA
    • Transmitte: 4.8mA @0dBm with DCDC
    • Suspend mode current: 10uA
    • Deep sleep mode current: 1 uA
  • Digital and analog interfaces:
    • Up to 17 GPIOs
    • DMIC (Digital Mic) / AMIC (Analog Mic)
    • Mono-channel Audio output
    • SPI, I2C, USB 2.0, Swire, UART
    • Up to 6 channels of PWM
    • 2 channel IR/IR
    • 14bit SAR ADC with 4 differential input PGA
    • Temperature sensor

Zigbee RF4CE features:

  • IEEE 802.15.4 Standard, certified RF4CE platform, with ZRC1.1/ZRC2.0 and MSO profile support
  • Various transmission options including broadcast
  • Provides a secured key generation mechanism
  • Supports a simple pairing mechanism for devices with full application confirmation
  • Various power saving modes are supported for all device classes
  • AES-128bit encryption
  • Extended profile with audio support for voice command-based searches

Package Options:

  • Package: 8656F512ET32, 32-pin QFN 5×5mm
  • Operating temperature: -40℃~+85℃


  • The 8656 can be applied to 2.4Ghz IEEE 802.15.4,RF4CE remote control / STB and Zigbee systems.
  • Smart Home devices, Smart Lighting
  • Building Automation
  • Smart Grid
  • Intelligent Logistics/Transportation/City
  • Consumer Electronics
  • Industrial Control
  • Health Care