Renesas RA0E3
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The Renesas RA0E3 are energy-efficient ARM Cortex-M23 based microcontrollers, well suited for cost-sensitive and low-power applications.
Flash Banks
Internal Flash
| Flash Bank | Base address | Size | J-Link Support |
|---|---|---|---|
| Code flash | 0x0000_0000 | 16 KB | 
|
Watchdog Handling
- The device has an Independent Watchdog Timer (IWDT).
- The watchdog is fed during flash programming.
Device Specific Handling
Connect
- Authentication via IDCODE is supported
- Wake-up CPU from low-power mode is supported
- Connect under reset is supported
- Flash Read Protection (FRP) Support:
- FRP is disabled by modifying the OFS1 register, which resides in internal flash memory.
- FRP can only be disabled if the flash region is not protected by AWS.
- OFS1 is restored to its initial value upon disconnect.
Reset
- The device uses normal Cortex-M reset, no special handling necessary, like described here.