Application Scenario:

 Smart Home Appliances

Detailed Parameters:

  • Input Voltage: 2.7V ~ 3.3V

  • Processor: Dual-core CPU with ARM v8-M architecture.

  •                 Performance core KM4:Cortex-M33 with main frequency up to 200MHz.

  •                  Energy Efficiency Core KM0:Cortex-M23 with main frequency up to 20MHz.

  •                  Deep Sleep、Deep Standby and Sleep mode.

  •                  SWD/JTAG simulation debugging interface.

  •  Memory:

  •                  512K bytes SRAM for KM4 core
  •                   64K bytes SRAM for KM0 core
  •                   4M bytes PSRAM  
  •                   XIP flash memory from 2M to 16M bytes
  • Wi-Fi:

  •                   802.11 a/b/g/n 1T1R 2.4/5GHz dual frequency.
  •                   Processing Wi-Fi messages using independent Microcontrollers.
  •                   Support low power TX/RX mode in short distance applications.
  •                   Support narrow-band mode: 10MHz bandwidth.
  •                   Support Antenna diversity.
  •                   Support the IEEE Power Save Model
  • BT 5.0 Low Energy:
  •                  Comply with Low Power Bluetooth 5.0 Standard.
  •                  Support high power mode (10dbm).
  •                  Wi-Fi and BLE time division multiplexing and share the same PA and antenna.
  •                  Support Bluetooth Master-Slave Mode and BLE Mesh
  • Audio Codec:
  •                  Support 8, 16, 32, 44.1, 48 and 96 kHz sampling rates
  •                  24-bit stereo DAC and DAC
  •                  Headphone speakers supporting 16ohm and 32ohm loads
  •                  Two Digital Microphone Interfaces
  •                  Bias Voltage of Built-in Microphone
  •                  Optional Voice Processor for Intelligent Noise Reduction
  • Peripherals
  •                  34 x GPIO
  •                  1 x USB、3 x SPI、1 x I2C、1 x Infrared、11 x PWM
  •                  3 x UART1 x Log UART、1 x LP UART、1 x HS UART
  •                  The baud rate is as high as 4M.
  •                  Up to 7 channels 12-bit ADC, 1M sampling rate, battery power detection
  •                  Low power RTC (32kHz)
  •                  Up to 5 x 5 matrix keyboard and 4 touch keys can be supported
  • Operating Temperature

  •                  -30℃ to +85℃

  • Antenna Type

  •                  On-Board PCB Antenna,or IPEX Connector

  • I2S Interface:
  •                   Output: 16/24 bit,24K-384K Sampling rate stereo.
  •                   Input: 16 bit,24K-96K Sampling rate dual microphone.
  •                   Full duplex input/output stereo audio
  •                   5.1 Channel Output.
  • Safety:
  •                   ARM Trust Zone-M Technology.
  •                   AES/SHA Hardware Accelerator, Random Number Generator
  •                   Security boot Safe Start
  •                   Anti-reading mechanism: JTAG interface protection, flash encryption technology.

Hardware Architecture:

Document Download:




EMC3380 is a high-performance module mainly used in voice applications of the Internet of Things. It has a dual-core microcontroller with ultra-high integration, supports 2.4/5GHz dual-band Wi-Fi and BLE 5.0 wireless communication technology, and includes large capacity Flash, RAM, audio codec and audio digital coprocessor to meet various complex requirements in speech application.