| Part Number | R5F64186PFB#UB | R5F64186PFB#2B | 
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Last Time Buy | Active | 
| Core Processor | R32C/100 | R32C/100 | 
| Core Size | 16/32-Bit | 16/32-Bit | 
| Speed | 50MHz | 50MHz | 
| Connectivity | CANbus, EBI/EMI, I²C, IEBus, UART/USART | CANbus, EBI/EMI, I²C, IEBus, UART/USART | 
| Peripherals | DMA, LVD, PWM, WDT | DMA, LVD, PWM, WDT | 
| Number of I/O | 84 | 84 | 
| Program Memory Size | 512KB (512K x 8) | 512KB (512K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | 8K x 8 | 8K x 8 | 
| RAM Size | 40K x 8 | 40K x 8 | 
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V | 3V ~ 5.5V | 
| Data Converters | A/D 26x10b; D/A 2x8b | A/D 26x10b; D/A 2x8b | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 100-LQFP | 100-LQFP | 
| Supplier Device Package | 100-LFQFP (14x14) | 100-LFQFP (14x14) |