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Product attributes Property Value
Manufacturer Renesas Electronics Corporation
Product Series R8C/1x/1A
Packaging | Tube
Core Processor R8C
Core Size 16-Bit
Speed 20MHz
Connectivity I2C, SIO, SSU, UART/USART
Peripherals LED, POR, Voltage Detect, WDT
Number of I/O 13
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 1K x 8
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V
Data Converters A/D 4x10b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification -
Mounting Type Surface Mount
Supplier Device Package 20-LSSOP
Package / Case 20-LSSOP (0.173", 4.40mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Renesas R5F211A4DSP#U0 is a high-performance 16-bit microcontroller from the R8C/1x/1A series, engineered for embedded and industrial control applications. Featuring a robust R8C core running at 20MHz, this MCU delivers reliable processing power with 16KB flash memory and 1KB RAM for program execution and data storage.

This microcontroller offers versatile connectivity options including I²C, SIO, SSU, and UART/USART interfaces, making it ideal for communication-intensive applications. With 13 programmable I/O pins and integrated peripherals such as LED drivers, power-on reset (POR), voltage detection, and watchdog timer (WDT), the R5F211A4DSP#U0 provides comprehensive system control capabilities.

The device features a 4-channel 10-bit A/D converter for analog signal processing and operates across a wide voltage range of 2.7V to 5.5V, ensuring compatibility with various power supply configurations. Its internal oscillator eliminates the need for external timing components, reducing BOM costs and board space.

Packaged in a compact 20-LSSOP surface mount format (4.40mm width), this microcontroller is designed for space-constrained applications while maintaining excellent thermal performance across an operating temperature range of -40°C to 85°C. RoHS compliant and backed by Renesas' proven reliability, the R5F211A4DSP#U0 is the ideal choice for industrial automation, consumer electronics, and embedded system designs.

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