R5F21256SNFP#X6
IC MCU 16BIT 32KB FLASH 52LQFP
Embedded Microcontrollers
52-LQFP
R8C/2x/25
Not For New Designs
$11.30 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Renesas Electronics America Inc |
| Model | R5F21256SNFP#X6 |
| Package / Case | 52-LQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Core Processor | R8C |
| Speed | 20MHz |
| Program Memory Size | 32KB (32K x 8) |
| RAM Size | 2K x 8 |
| Number of I/O | 41 |
| Data Converters | A/D 12x10b |
| Voltage - Supply | 2.2V ~ 5.5V |
| Connectivity | I²C, LINbus, SIO, SSU, UART/USART |
| Peripherals | POR, Voltage Detect, WDT |
| Supplier Device Package | 52-LQFP (10x10) |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
R5F21256SNFP#X6 by Renesas Electronics America Inc is a R8C microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 52-LQFP package fits automated SMT assembly. Operating temperature is -20°C ~ 85°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 20MHz |
| RAM Size | 2K x 8 |
| Core Size | 16-Bit |
| Peripherals | POR, Voltage Detect, WDT |
| Connectivity | I²C, LINbus, SIO, SSU, UART/USART |
| Number of I/O | 41 |
| Core Processor | R8C |
| Data Converters | A/D 12x10b |
| Oscillator Type | Internal |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 5.5V |
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