R5F211A4SP#W4

Microcontrollers Overview

The R5F211A4SP#W4 is a 16-bit microcontroller from the Renesas R8C/1x/1B series. It features a 20MHz operating speed, 16KB of flash program memory, and 1K x 8 bytes of RAM. The device operates on a supply voltage range of 2.7V to 5.5V and includes four 10-bit analog-to-digital converters. It utilizes an internal oscillator and offers I/O connectivity via I2C, SIO, SSU, and UART/USART interfaces. Packaged in a 20-LSSOP surface-mount format, it supports a wide operating temperature range.

Microcontrollers Feature Summary

• Integrates multiple communication protocols including I2C, SIO, SSU, and UART/USART for versatile system connectivity.
• Includes built-in peripheral functions such as LED drivers, power-on reset, voltage detection, and watchdog timer.
• Features an internal oscillator for simplified clock generation without external components.

Microcontrollers Applications

• Automotive body electronics modules
• Industrial control systems
• Consumer appliance controllers

Microcontrollers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to end-of-life status. Confirm package integrity and moisture sensitivity level handling procedures upon receipt. Cross-reference datasheet revisions to ensure compatibility with existing design specifications before final procurement decisions.

Microcontrollers Selection Notes

Select this component for applications requiring 16-bit processing with integrated automotive-grade peripherals. Ensure design requirements align with the 2.7V to 5.5V supply range and 20MHz maximum frequency. Verify that the 20-LSSOP package dimensions fit the target PCB layout constraints.

Microcontrollers Part Context

This part belongs to the R8C/1x/1B family of 16-bit microcontrollers designed for embedded control applications. It shares architectural similarities with other R8C variants but is distinguished by its specific memory configuration and interface set within the 20-pin form factor.

Microcontrollers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult official Renesas resources for current lifecycle status and potential obsolescence management strategies.