Product Overview
The R5F21246SNFP is a Renesas R8C/2G 16-bit MCU with 64KB Flash and 3.5KB RAM. 20MHz operation. 10-bit 10-channel ADC. Triple UART plus I2C and SPI. LQFP-64 package for applications requiring more I/O than 48-pin variants.
Key Specifications
| Type | 16-bit R8C Microcontroller |
| Core | R8C |
| Flash | 64 KB |
| RAM | 3.5 KB |
| Data Flash | 4 KB |
| Clock | 20 MHz |
| ADC | 10-bit 10-ch |
| Timers | 6 |
| Interface | UARTx3, I2C, SPI |
| Supply Voltage | 2.7V to 5.5V |
| Operating Temp | -40 to +85C |
| Package | LQFP-64 |
Working Principle
The R8C/2G is an enhanced R8C family member with expanded peripheral set. The R8C core executes a 16-bit CISC instruction set with high code density. Additional timer channels support multiple PWM outputs for motor control and power conversion. The data flash region (4KB) simulates EEPROM for parameter storage without external memory. On-chip debugging (E1/E20) supports real-time trace and breakpoint.
Applications
- Motor control
- Power conversion
- Industrial I/O