EDA408.B Download Adapter 408.B Version: 01 Download Adapter EDA408.B for USB The download adapter for USB enables a fast and simple download of firmware to your target system. Emcosys delivers a PC application to download a HEX binary to a STM32x microcontroller over the built in standard boot loader. In automatic mode - The target is powered in boot mode - the flash is erased - the firmware is programmed - the programmed firmware is verified - the target is powered off 132.408.01.doc www.emcosys.ch Page 1 of 2 Copyright © 2015 Embedded Communication Systems GmbH Switzerland. All rights reserved. EDA408.B The user can also execute each step stand-alone. As additional function, the target can be powered in run mode to make a fast and simple check of the downloaded firmware. The interface Pin / color 1 / brown 2 / red 3 / orange 4 / yellow 5 / green to the target is a 6-wire flat ribbon cable with the following signals: Name Specification VTGS Target power supply sense TxD Transmit data from PC to the target system GND 0V RxD Receive data from target system to PC VTG Target power supply +3.3V 150mA, powered from USB and controlled from the download application. 6 / blue BOOT Boot signal, usually directly connected to the SMT32 BOOT0 pin. Controlled from the download application. The picture above shows a needle adapter for direct connection to a target PCB. The needle adapter is not part of the delivery. The adapter contains an FTDI230X USB interface and needs installation of the standard FTDI drivers. 132.408.01.doc www.emcosys.ch Page 2 of 2 Copyright © 2015 Embedded Communication Systems GmbH Switzerland. All rights reserved.