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| Part Number | R5F21144SP#U0 | R5F21184SP#U0 | R5F211A4SP#U0 | R5F21164SP#U0 | R5F21174SP#U0 | R5F21194SP#U0 | R5F21154SP#U0 | R5F211B4SP#U0 | R5F21142SP#U0 | R5F21143SP#U0 |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc | Renesas Electronics America Inc |
| Product Status | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs | Not For New Designs | Obsolete | Obsolete | Not For New Designs | Not For New Designs | Obsolete |
| Core Processor | R8C | R8C | R8C | R8C | R8C | R8C | R8C | R8C | R8C | R8C |
| Core Size | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit | 16-Bit |
| Speed | 20MHz | 20MHz | 20MHz | 20MHz | 20MHz | 20MHz | 20MHz | 20MHz | 20MHz | 20MHz |
| Connectivity | SIO, SSU, UART/USART | SIO, UART/USART | I²C, SIO, SSU, UART/USART | I²C, SIO, UART/USART | I²C, SIO, UART/USART | SIO, UART/USART | SIO, SSU, UART/USART | I²C, SIO, SSU, UART/USART | SIO, SSU, UART/USART | SIO, SSU, UART/USART |
| Peripherals | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT | LED, POR, Voltage Detect, WDT |
| Number of I/O | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Program Memory Size | 16KB (16K x 8) | 16KB (16K x 8) | 16KB (16K x 8) | 16KB (16K x 8) | 16KB (16K x 8) | 16KB (16K x 8) | 16KB (16K x 8) | 16KB (16K x 8) | 8KB (8K x 8) | 12KB (12K x 8) |
| Program Memory Type | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash | Flash |
| EEPROM Size | - | - | - | - | - | 2K x 8 | - | - | - | - |
| RAM Size | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 1K x 8 | 512 x 8 | 768 x 8 |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Data Converters | A/D 4x10b | - | A/D 4x10b | A/D 4x10b | A/D 4x10b | - | A/D 4x10b | A/D 4x10b | A/D 4x10b | A/D 4x10b |
| Oscillator Type | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal | Internal |
| Operating Temperature | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) | -20°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) | 20-LSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-LSSOP | 20-LSSOP | 20-LSSOP | 20-LSSOP | 20-LSSOP | 20-LSSOP | 20-LSSOP | 20-LSSOP | 20-LSSOP | 20-LSSOP |
