| Series | R8C/1x/1B |
| Package | Tray |
| Part Status | Active |
| Core Processor | R8C |
| Core Size | 16-Bit |
| Speed | 20MHz |
| Connectivity | I²C, SIO, SSU, UART/USART |
| Peripherals | LED, POR, Voltage Detect, WDT |
| Number of I/O | 13 |
| Program Memory Size | 16KB (16K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 1K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
| Data Converters | A/D 4x10b |
| Oscillator Type | Internal |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 28-WFQFN Exposed Pad |
| Supplier Device Package | 28-HWQFN (5x5) |
