Renesas RZ/A3UL

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The Renesas RZ/A3UL family features a 64-bit Cortex-A55 core with a maximum operating frequency of 1 GHz


The RZ/A3UL does not come with an internal flash. Instead, the evaluation board features an external flash connected to the SPI Multi I/O interface:

  • SPI Multi I/O (0x20000000; up to 128 MB)

The evaluation board offers two different flashes connected to the SPI Multi I/O interface:

  • QuadSPI (16 MB)
  • OctaSPI (128 MB)

For the RZ/A3UL, the J-Link Multiple Flashloader feature is used which allows to select from a pool of different loaders for the same flash bank. By default (no loader specified), the J-Link software uses the QuadSPI loader. Valid loader names are:

  • R9A07G063U02GBG?BankAddr=0x20000000&Loader=QuadSPI --> (QSPI)
  • R9A07G063U02GBG?BankAddr=0x20000000&Loader=OctaSPI --> (OSPI)


No special reset but the generic reset strategy is performed:

Evaluation Boards

Example Application

  • TBD