Data Sheet

4/27/2018 OpenCR1.0

http://emanual.robotis.com/docs/en/parts/controller/opencr10/ 3/50

Item Description

Compiler gcc arm 5.4 2016q2

USB Port

Connected to PC and recognized as serial port

A communication cable for downloading firmware through the bootloader.

PUSH SW2

Press and hold the button when the power is on or reset to execute the bootloader

If the button is not pressed when the power is turned on, the bootloader is executed. If the

firmware is in the flash memory, the bootloader executes the firmware.

4. 1. Memory Map

The STM32F746 used in OpenCR has an internal flash memory of 1024KB, and each area is

defined as follows. The bootloader is located at the lowest address in the flash memory and the

bootloader is first executed when the power is turned on and reset.

4. 2. Boot Sequence

OpenCR1.0