HPMicro HPM68

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The HPMicro HPM68xx device series are RISC-V based 32-bit microcontrollers.

SPI flash support

J-Link supports SPI-flashes with HPM68xx through the XPI-API.

Since the full documentation is currently not available, the flashloader is based on code provided by HPMicro. This currently has the limitation where programming is only supported after reset. Programming and flash breakpoints may work without reset, but it is not guaranteed. In such cases, SEGGER will currently not provide any support.


The SPI flash size is not determined automatically in J-Flash. Functions, which try to access addresses outside of the flash boundaries will fail.

Evaluation Boards