| Part Name | RAM (KB) | Program Memory (KB) | Operating Voltage Min (V) |
|---|---|---|---|
| R5F6421DLFB | 32.0 | 512.0 | - |
| R5F6421DKFB | 32.0 | 512.0 | - |
| R5F6421DJFB | 32.0 | 512.0 | - |
| R5F6421CLFB | 24.0 | 384.0 | - |
| R5F6421CKFB | 24.0 | 384.0 | - |
| R5F6421CJFB | 24.0 | 384.0 | - |
| R5F6421BLFB | 20.0 | 256.0 | - |
| R5F6421BKFB | 20.0 | 256.0 | - |
| R5F6421BJFB | 20.0 | 256.0 | - |
| R5F6421ALFB | 12.0 | 128.0 | - |
| R5F6421AKFB | 12.0 | 128.0 | - |
| R5F6421AJFB | 12.0 | 128.0 | - |
| R5F64219LFB | 32.0 | 512.0 | - |
| R5F64219KFB | 32.0 | 512.0 | - |
| R5F64219JFB | 32.0 | 512.0 | - |
| R5F64218LFB | 24.0 | 384.0 | - |
| R5F64218KFB | 24.0 | 384.0 | - |
| R5F64218JFB | 24.0 | 384.0 | - |
| R5F64217LFB | 20.0 | 256.0 | - |
| R5F64217KFB | 20.0 | 256.0 | - |
| R5F64217JFB | 20.0 | 256.0 | - |
| R5F64216LFB | 12.0 | 128.0 | - |
| R5F64216KFB | 12.0 | 128.0 | - |
| R5F64216JFB | 12.0 | 128.0 | - |
| R5F6420BLFB | 20.0 | 256.0 | - |
| R5F6420BKFB | 20.0 | 256.0 | - |
| R5F6420BJFB | 20.0 | 256.0 | - |
| R5F6420ALFB | 12.0 | 128.0 | - |
| R5F6420AKFB | 12.0 | 128.0 | - |
| R5F6420AJFB | 12.0 | 128.0 | - |
| R5F64207LFB | 20.0 | 256.0 | - |
| R5F64207KFB | 20.0 | 256.0 | - |
| R5F64207JFB | 20.0 | 256.0 | - |
| R5F64206LFB | 12.0 | 128.0 | - |
| R5F64206KFB | 12.0 | 128.0 | - |
| R5F64206JFB | 12.0 | 128.0 | - |
The R32C/120 Group and R32C/121 Group are based on the R32C/100 CPU Core. Maximum operating frequency is 64 MHz when using PLL synthesizer. A Flash memory version is available. Internal Flash memory is programmable on a single power source.
