Microchip MPLAB® Harmony 3 Release Notes

UART Bootloader Applications Release v3.0.0

New Features

• This release introduces support of
  • UART Bootloader Applications for SAM and PIC32M family of 32-bit microcontrollers.
  • UART Fail Safe Bootloader for SAM and PIC32M family of 32-bit microcontrollers.

Development kit and demo application support

• The following table provides bootloader demo applications available for different development kits.

  Product Family	Development Kits	UART	UART Fail Safe
  SAM D09/D10/D11	SAM D11 Xplained Pro Evaluation Kit	Yes	NA
  SAM D20	SAM D20 Xplained Pro Evaluation Kit	Yes	NA
  SAM D21/DA1	SAM D21 Xplained Pro Evaluation Kit	Yes	NA
  SAM D21/DA1	SAM DA1 Xplained Pro Evaluation Kit	Yes	NA
  SAM HA1	SAM HA1G16A Xplained Pro	Yes	NA
  SAM C20/C21	SAM C21N Xplained Pro Evaluation Kit	Yes	NA
  SAM L21	SAM L21 Xplained Pro Evaluation Kit	Yes	NA
  SAM L22	SAM L22 Xplained Pro Evaluation Kit	Yes	NA
  SAM L10/L11	SAM L10 Xplained Pro Evaluation Kit	Yes	NA
  SAM D5x/E5x	SAM E54 Xplained Pro Evaluation Kit	Yes	Yes
  SAM G5x	SAM G55 Xplained Pro Evaluation Kit	Yes	NA
  SAM E70/S70/V70/V71	SAM E70 Xplained Ultra Evaluation Kit	Yes	NA
  PIC32MX330/350/370/430/450/470	Curiosity PIC32MX470 Development Board	Yes	NA
  PIC32MX1XX/2XX/5XX	PIC32MX1/2/5 Starter Kit	Yes	NA
  PIC32MK GPD/GPE/MCF	PIC32MK GP Development Kit	Yes	Yes
  PIC32MK GPG/MCJ	PIC32MK MCJ Curiosity	Yes	NA
  PIC32MK GPK/MCM	PIC32MK MCM Curiosity	Yes	Yes
  PIC32MZ EF	PIC32MZ Embedded Connectivity with FPU (EF) Starter Kit	Yes	Yes
  PIC32MZ DA	PIC32MZ Embedded Graphics with Stacked DRAM (DA) Starter Kit (Crypto)	Yes	Yes

Known Issues

The current known issues are as follows:

• Initialized global variables will not be initialized at startup for UART bootloaders.

Development Tools

• MPLAB® X IDE v5.40
• MPLAB® XC32 C/C++ Compiler v2.41
• MPLAB® X IDE plug-ins:
  • MPLAB® Harmony Configurator (MHC) v3.5.0 and above.

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