| Part Number | R5F211A3DSP#U0 | R5F21183DSP#U0 | 
|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | 
| Category | Embedded - Microcontrollers | Embedded - Microcontrollers | 
|   |   | |
| Product Status | Not For New Designs | Obsolete | 
| Core Processor | R8C | R8C | 
| Core Size | 16-Bit | 16-Bit | 
| Speed | 20MHz | 20MHz | 
| Connectivity | I²C, SIO, SSU, UART/USART | SIO, UART/USART | 
| Peripherals | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT | 
| Number of I/O | 13 | 13 | 
| Program Memory Size | 12KB (12K x 8) | 12KB (12K x 8) | 
| Program Memory Type | Flash | Flash | 
| EEPROM Size | - | - | 
| RAM Size | 768 x 8 | 768 x 8 | 
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 
| Data Converters | A/D 4x10b | - | 
| Oscillator Type | Internal | Internal | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) | 
| Supplier Device Package | 20-LSSOP | 20-LSSOP |