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| Part Number | R5F21257SNFP#X6 |
| Datasheet | R5F21257SNFP#X6 datasheet |
| Description | IC MCU 16BIT 48KB FLASH 52LQFP |
| Manufacturer | Renesas Electronics America |
| Series | R8C/2x/25 |
| Part Status | Active |
| Core Processor | R8C |
| Core Size | 16-Bit |
| Speed | 20MHz |
| Connectivity | I²C, LINbus, SIO, SSU, UART/USART |
| Peripherals | POR, Voltage Detect, WDT |
| Number of I/O | 41 |
| Program Memory Size | 48KB (48K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 2.5K x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 5.5V |
| Data Converters | A/D 12x10b |
| Oscillator Type | Internal |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Package / Case | Surface Mount |
| Supplier Device Package | 52-LQFP |
| Base Part Number | 52-LQFP (10x10) |