| Base Part Number | R5F1027 |
| Connectivity | CSI, I |
| Core Processor | RL78 |
| Core Size | 16-Bit |
| Data Converters | A/D 11x8/10b |
| EEPROM Size | 2K x 8 |
| Lead Free Status / RoHS Status | RoHS Compliant |
| Manufacturer Part Number | R5F1027ADNA#U0 |
| Manufacturer Standard Lead Time | 20 Weeks |
| Mounting Type | Surface Mount |
| Number of I/O | 22 |
| Operating Temperature | -40 |
| Oscillator Type | Internal |
| Package / Case | 24-WFQFN Exposed Pad |
| Packaging | Tray |
| Peripherals | DMA, POR, PWM, WDT |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| RAM Size | 1.5K x 8 |
| Series | RL78/G12 |
| Speed | 24MHz |
| Standard Package | 490 |
| Supplier Device Package | 24-HWQFN (4x4) |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V |