FTDI Community
General Category => Discussion - Hardware => Topic started by: KBridges on November 04, 2020, 11:00:05 AM
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Hi All,
Could anyone give me any ideas as to why the bootloader would disappear or corrupt on the VNC1L?
Thank you in advance.
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Hello,
Why do you think the bootloader has disappeared or corrupted?
To enable the bootloader, the PROG# pin must be driven low and the VNC1L must then be reset by driving the RESET# pin low then high. Run mode can be enabled by driving the PROG# pin high and then resetting the VNC1L by driving the RESET# pin low then high.
Refer to ANVNC1L-01 Vinculum VNC1L Bootloader (https://www.ftdichip.com/Support/Documents/AppNotes/ANVNC1L-01-VinculumBootloader.pdf) for more information.
The Vinculum Firmware User Manual (https://www.ftdichip.com/Firmware/Precompiled/UM_VinculumFirmware_V205.pdf) also details programming options in section 3.1.3.
It would be worthwhile connecting a 3.3V TTL cable (https://www.ftdichip.com/Products/Cables/USBTTLSerial.htm) to the VNC1L and using FT_PROG (https://www.ftdichip.com/Support/Utilities.htm#FT_PROG) to try and reprogram the VDAP firmware found here:
https://www.ftdichip.com/Firmware/Precompiled.htm (https://www.ftdichip.com/Firmware/Precompiled.htm)
This is not a common issue that other community users could help with.
You might want to contact your local support team:
https://www.ftdichip.com/FTContact.htm (https://www.ftdichip.com/FTContact.htm)
Best Regards,
FTDI Community
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Hello,
The VDIP1 module becomes unresponsive and fails to illuminate the LEDs. Re-programming the VDAP software onto the VDIP1 module rectifies the issue.
I've emailed the support team and I've yet to receive a response.
Could it be an issue with the power supply to the module?
Kind regards,
Kristian
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Hello,
Please work with your local support team on this issue and post any resolution here to help other community users.
Best Regards,
FTDI Community