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Firmware FRDM K64F
The latest firmware version for the FRDM-K64F is: 0226 To check your firmware version:
- Open the DETAILS.TXT file if present.
- If not present, open the MBED.HTM file on your mbed microcontroller with a text editor
The latest mbed interface upgrade file for the FRDM-K64F is 0226_k20dx128_k64f_0x5000.bin
Enter Bootloader Mode¶
- Disconnect all power, external circuits and USB cables.
- Press and hold the button marked RESET (circled in picture)
- Connect a USB cable as shown in the picture
- The drive should mount named BOOTLOADER
- The reset button can now be released
Update using Windows and Linux¶
- Download the interface firmware file to your hard disc
- Drag and drop the file onto the USB drive named BOOTLOADER
Update using Mac¶
- Download the interface firmware file to your hard disc
- In a terminal run the following commands
...
sudo mount -u -w -o sync /Volumes/BOOTLOADER ; cp -X <path to interface update file> /Volumes/BOOTLOADER/
Power Down, Power Up¶
Disconnect the USB cable and reconnect. The drive should now be named MBED. You can verify the version number as indicated above. That's it!
Interface Firmware Changelog¶
rev 0226 [ ... ]
- CDC break support for Linux (Ubuntu)
rev 0221 [ ... ]
- Add check for stack overflow and adjusted the task stack sizes
rev 0220 [ ... ]
- Update disc format and emulation for Mac Yosemite
- CDC and HID endpoints don't disconnect when programming via MSC drag 'n drop
- Only erase sectors in target flash that are needed for the new program
- New details text file for information about the version and build
rev 0203 [ ... ]
- USBDevice stack patches for composite (CDC / MSC) race condition
- Flash algorithms created from new Kinetis flash driver source
- Mass-erase cannot be disabled and flash security enabled cannot be set (MSD programming only fails reserved bits for these conditions)
- UART serialization patch
rev 0202 [ ... ]
- Semihosting not enabled by default
- Updated mass erase sequence
rev 0201 [ ... ]
- Initial release