EMC3380-Development Board 2.4/5GHz Dual-Mode WiFi BLE 5.0 for Arduino

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.

Application Scenario：Smart Home Appliances

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 UART：1 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.

Document Download:

• EMW3380_Datasheet_EN_v3.1.pdf