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| PartNumber | R5F21254SNFPV0 | R5F21254SDFP | R5F21254SNFP |
| Description | Microcontroller, 16-Bit, FLASH, 20MHz, CMOS, PQFP52 | ||
| Manufacturer | - | - | Renesas Electronics America |
| Product Category | - | - | Embedded - Microcontrollers |
| Series | - | - | R8C/2x/25 |
| Packaging | - | - | Tray |
| Package Case | - | - | 52-LQFP |
| Operating Temperature | - | - | -20°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 52-LQFP (10x10) |
| Number of I O | - | - | 41 |
| Speed | - | - | 20MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | |
| RAM Size | - | - | 1K x 8 |
| Program Memory Type | - | - | FLASH |
| Peripherals | - | - | POR, Voltage Detect, WDT |
| Connectivity | - | - | I2C, LIN, SIO, SSU, UART/USART |
| Voltage Supply Vcc Vdd | - | - | 2.2 V ~ 5.5 V |
| Core Size | - | - | 16-Bit |
| Program Memory Size | - | - | 16KB (16K x 8) |
| Data Converters | - | - | A/D 12x10b |
| Oscillator Type | - | - | Internal |