ST STM32 Quick Start Guide

Important Hardware Additional Information
STM32 Nucleo with Expansion boards - Hardware Overview (5/5)
9
1. install the ST BlueNRG-1_2 Flasher Utility and open it,
then select the SWD tab
2. Erase the flash memory of the BlueNRG-2 chip
3. Download the Link Layer Only firmware for the BLE
module from the following link DTM_LLOnly.bin
4. Load the Link Layer Only firmware in the ST
BlueNRG-1_2 Flasher Utility and then press the
"Flash" button
5. If you need to restore the stock firmware of the BLE
module of X-NUCLEO-BNRG2A1, you can repeat the
procedure using this firmware image DTM_Full.bin
6. If you should find some issues during the update
process, you can try to repeat the procedure closing
the J15 jumper on the X-NUCLEO-BNRG2A1
expansion board.

ST STM32 Specifications

General

Series	STM32
Category	Microcontrollers
Core	ARM Cortex-M0, Cortex-M0+, Cortex-M3, Cortex-M4, Cortex-M7, Cortex-M33
Clock Speed	Up to 480 MHz
GPIO Pins	Up to 144
Communication Interfaces	I2C, SPI, USART, USB, CAN, Ethernet
Package Types	LQFP, BGA, WLCSP
ADC Resolution	12-bit, 16-bit (varies by series)
DAC Resolution	12-bit (varies by series)
Operating Temperature	-40°C to +85°C or +105°C