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| Part Number | R5F10278ANA#U5 | R5F1027AANA#U5 | R5F10279ANA#U5 | R5F10278ANA#W5 | R5F10278GNA#U5 | R5F10278DNA#U5 | R5F10277ANA#U5 | R5F10278ANA#05 | R5F10278ANA#25 | R5F10278ANA#45 | R5F10278ANA#U0 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Active | Active | Active | Active |
| Core Processor | RL78 | RL78 | RL78 | RL78 | RL78 | RL78 | RL78 | RL78 | RL78 | RL78 | RL78 |
| Core Size | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit |
| Speed | 24MHz | 24MHz | 24MHz | 24MHz | 24MHz | 24MHz | 24MHz | 24MHz | 24MHz | 24MHz | 24MHz |
| Connectivity | CSI, I²C, UART/USART | CSI, I²C, UART/USART | CSI, I²C, UART/USART | CSI, I²C, UART/USART | CSI, I²C, UART/USART | CSI, I²C, UART/USART | CSI, I²C, UART/USART | CSI, I²C, UART/USART | CSI, I²C, UART/USART | CSI, I²C, UART/USART | CSI, I²C, UART/USART |
| Peripherals | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT | DMA, LVD, POR, PWM, WDT |
| Number of I/O | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 |
| Program Memory Size | 8KB (8K x 8) | 16KB (16K x 8) | 12KB (12K x 8) | 8KB (8K x 8) | 8KB (8K x 8) | 8KB (8K x 8) | 4KB (4K x 8) | 8KB (8K x 8) | 8KB (8K x 8) | 8KB (8K x 8) | 8KB (8K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 | 2K x 8 |
| RAM Size | 768 x 8 | 1.5K x 8 | 1K x 8 | 768 x 8 | 768 x 8 | 768 x 8 | 512 x 8 | 768 x 8 | 768 x 8 | 768 x 8 | 768 x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V | 1.8V ~ 5.5V |
| Data Converters | A/D 11x8/10b | A/D 11x8/10b | A/D 11x8/10b | A/D 11x8/10b | A/D 11x8/10b | A/D 11x8/10b | A/D 11x8/10b | A/D 11x8/10b | A/D 11x8/10b | A/D 11x8/10b | A/D 11x8/10b |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad | 24-WFQFN Exposed Pad |
| Supplier Device Package | 24-HWQFN (4x4) | 24-HWQFN (4x4) | 24-HWQFN (4x4) | 24-HWQFN (4x4) | 24-HWQFN (4x4) | 24-HWQFN (4x4) | 24-HWQFN (4x4) | 24-HWQFN (4x4) | 24-HWQFN (4x4) | 24-HWQFN (4x4) | 24-HWQFN (4x4) |
