Attachment
Attachment
Bootloader handling
Start the IC/module/device in bootloader mode
1. Switch off the IC/module/device.
2. Connect the UART adapter (USB → 3.3 volts or 5 volts UART or RS232 → 3.3 volts or 5 volts UART).
"DCF in" → UART adapter TXD and "DCF ps" → UART adapter RXD.
3. Press the button S1, power up the IC/module/device with voltage and do not release this button until you hear a short BEEP. The display is off.
4. Now you can connect to the firmware upload tool.
WARNING
Wrong UART level
If an incorrect voltage level (for example directly RS232, ± 12 Volt) is used, the UART adapter or the IC/module/device can be damaged or destroyed.
In the worst case, overheating and fire may occur!
NOTICE
Defect firmware
Defect firmware can be detected as follows: Every second a short BEEP.]]
Use the Firmware Upload Tool to upload an update
1. Download the latest upload tool from www.stefpro.biz:
2. Start the tool
3. Select the COM port.
4. Press the "Load" button and select a firmware which you have previously downloaded from SP Firmware UP
5. Now press the "Connect" button, the data from the IC / Module / device will be read and the compatibility of the new firmware with the IC /
module / device will be checked
6. If an upload is possible, you can now press the "Upload Firmware" button. The upload starts and should not be interrupted.
[[NOTICE:Firmware upload interruption: If the firmware upload is interrupted or uploaded an inappropriate firmware, so there is a broken
firmware, the IC can be operated only in bootloader mode.
StefPro - www.stefpro.biz - [email protected] - SPDv2133.01
13.01.2018
Attachment - Bootloader handling
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