SD/MMC Bootloader


Brush Electronics SD/MMC card Bootloaders for Microchip PIC18F and PIC24/dsPIC33 Microcontrollers supporting microSD, miniSD and standard SD form factors. These bootloaders enable the PIC firmware to ugraded via an SD/MMC card and is ideal for sending new images to end customers at remote sites to upgrade firmware. Upgrading the software is as simple as inserting/exchanging the SD/MMC card and power cycling the target system. We offer the standard version of the bootloader for the PIC18F family and both standard and encrypted versions of SD/MMC bootloaders for the PIC24/dsPIC33 family.

The user manuals for the PIC18F and PIC24/dsPIC33 series SD/MMC bootloaders can be found here.

The PIC18F family is supported via the CCS PCH compiler. Variants for the PIC24/dsPIC33 are available for the Microchip XC16 and C30 compilers. The bootloader package includes:

  • Bootloader Source code
  • User Manual

The package for the Encrypted versions of the bootloader also includes:

  • PC XTEA Encryption Application binary image
  • PC XTEA Encryption Application source code (Visual C++ Express)
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Additional information


Standard, Encrypted

Compiler Source

CCS PCH, Microchip C30, Microchip XC16

XEE support

With XEE, Without XEE