IOT開發套件為Mbed（三角洲DFBM-NQ620-EVB）

This kit contains an ARM mbed compatible HDK mother board and a daughter board mounted with CE/FCC/TELEC and Bluetooth EPL certified BLE module. The mother board is designed to compatible with I2S, Arduino Uno Revision 3 standard so various 3rd-party audio, sensing, control capability shields can interface with BLE with NFC Tag module for rapid prototyping BLE applications. NQ620 support Bluetooth LE 4.2 to 5.X software devices stack.

The NQ620 module is based on NORDICSemi nRF52832 SoC therefore it supports the standard Nordic Software Development local compiler using Keil, IAR and GCC as well as ARM mbed online compiler for embedded standalone application development. The module also supports Delta defined BLE CLI (Command Line Interface) which allow external host MCU to control and set BLE communication through UART. The CLI running on the module handles all the BLE protocol tasks ends up the application is left to be implemented on external host MCU with minimal development overhead.

What’s more, BLE 5.0 will be available if you upgrade the firmware and SDK, though so far we are not able to support in extended range, you may still benefit from twice the transmission speed of Bluetooth v4.2.

• Delta DFBM-NQ620 BLE module daughter board 

• NORDICSemi nRF52832 with ARM® Cortex®-M4F processor 

• I2S audio interface for audio codec

• 32MHz embedded crystal, 32.768KHz embedded RTC 

• 512KB flash memory, 64KB SRAM, 

• Additional 512KB SPI flash for application data storage 

• On board chip antennae for BLE and NFC tag 

• CE/FCC/TELEC and BLUETOOTH EPL certified 

• Delta DFBM-NQ620 mother board 

• USB drag and drop programming 

• USB Virtual COM port for serial terminal 

• CMSIS-DAP interface for programming and debugging 

• Accepts power through USB or external source (7V-12V) 

• Pin header for current measurement

• HDK mother board schematics

• Daughter board schematics

• Windows Serial Configuration

• Platform Useur Guide

• ARM mBed Bluetooth LE Getting Start Page 

• DELTA NQ620 mbed lin

1. Cortex-M4F with I2S Audio I/F

2. CE/FCC/TELEC with Bluetooth LE EPL

3. Arduino compatible

Schematic Diagram

1 x Delta DFBM-NQ620-XE0R (HDK mother board)

1 x Delta DFXE-SM001-DT0R (BLE Module)

For technical discussion, please post them on mbed forum. 

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