An integral part of the Renesas product portfolio is the custom masked MCU, which allows a customer to embed code into the device ROM at the time of manufacture.
This site provides the latest ROM-ordering information for MCUs.
If you have any question about ROM-ordering or you want to provide the data, please refer to our
File Transfer System for Flash Programming and Mask ROM: https://romcode.renesas.eu/rcts
Please find below the ROM-ordering information for legacy products for your reference.