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| PartNumber | R5F21284SDSP#U0 | R5F21284SDSP#W4 | R5F21284SNSP |
| Description | 16-bit Microcontrollers - MCU MCU 3/5V 16KB -40TO+85C 20SSOP | 16-bit Microcontrollers - MCU MCU 3/5V 16K I-Temp PbFree 20SSOP T&R | |
| Manufacturer | Renesas Electronics | Renesas Electronics | Renesas Electronics America |
| Product Category | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU | Embedded - Microcontrollers |
| RoHS | Y | Y | - |
| Series | R8C/28 | R8C/28 | R8C/2x/28 |
| Packaging | Tray | Reel | Tube |
| Brand | Renesas Electronics | Renesas Electronics | - |
| Moisture Sensitive | Yes | - | - |
| Product Type | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 80 | 2500 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Mounting Style | - | SMD/SMT | - |
| Package / Case | - | LSSOP-20 | - |
| Core | - | R8C | - |
| Data Bus Width | - | 16 bit | - |
| Maximum Clock Frequency | - | 5 MHz | - |
| Program Memory Size | - | 16 kB | 16KB (16K x 8) |
| Data RAM Size | - | 1 kB | - |
| ADC Resolution | - | 10 bit | - |
| Number of I/Os | - | 13 I/O | - |
| Operating Supply Voltage | - | 2.2 V to 5.5 V | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 85 C | - |
| Product | - | MCU | - |
| Program Memory Type | - | Flash | FLASH |
| Interface Type | - | I2C, LIN, UART | - |
| Number of ADC Channels | - | 4 Channel | - |
| Supply Voltage Max | - | 5.5 V | - |
| Supply Voltage Min | - | 2.2 V | - |
| Watchdog Timers | - | Watchdog Timer | - |
| Package Case | - | - | 20-LSSOP (0.173", 4.40mm Width) |
| Operating Temperature | - | - | -20°C ~ 85°C (TA) |
| Supplier Device Package | - | - | 20-LSSOP |
| Number of I O | - | - | 13 |
| Speed | - | - | 20MHz |
| EEPROM Size | - | - | - |
| Core Processor | - | - | R8C |
| RAM Size | - | - | 1K x 8 |
| Peripherals | - | - | LED, 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 |
| Data Converters | - | - | A/D 4x10b |
| Oscillator Type | - | - | Internal |