Renesas RX231

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The Renesas RX231 are microcontrollers from Renesas, which are based on the RXv2 architecture.


Flash Banks

Flash bank Base address J-Link support Flasher support Loader
Name Bank size
Internal flash[1] 0x00100000 Default 136/264/392/520 KB
  1. ↑ The flash bank "Internal flash" internally functions as two flashbanks.
    One bank at 0x00100000 (8 KB) and one bank at 0xFFEE0000/0xFFEC0000/0xFFEA0000/0xFFE80000 (128/256/384/512 KB).


Debugger Authentication

If necessary, a debugger authentication via RX ID Code is performed as part of the connect sequence.
See article on Renesas RX cores for further information.

Debug Mode

When using FINE interface, a debug mode is enabled as part of the connect sequence and disabled on debug session close.
Enabling / disabling the debug mode requires writing to the flash.
See article on Renesas RX cores for further information.

Supported debug interfaces

The following debug interfaces are supported:

  • FINE