R5F21322DNSP#U0

Microcontrollers Overview

The R5F21322DNSP#U0 is a 16-bit microcontroller from the Renesas R8C/3x series, featuring an R8C core with a maximum clock frequency of 20 MHz. It integrates 16 kB of flash program memory and 1 kB of RAM within a 20-pin LSSOP package. The device supports a supply voltage range of 1.8 V to 5.5 V and operates within a temperature range of -20°C to +85°C. Peripheral interfaces include I2C, LIN, UART, SIO, SSU, and PWM capabilities.

Microcontrollers Feature Summary

• Integrates 16-bit R8C CPU core for efficient processing
• Includes built-in analog-to-digital converter with multiple channels
• Supports serial communication via I2C, LIN, and UART interfaces
• Features internal oscillator for simplified system design

Microcontrollers Applications

• Industrial control systems requiring robust 16-bit processing
• Automotive applications utilizing LIN bus communication
• Consumer electronics operating on low voltage supplies
• Smart metering devices with analog input requirements

Microcontrollers Procurement Notes

Verify component authenticity through authorized Renesas distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Check for specific EOL notices or PCN updates affecting production availability. Ensure packaging specifications match reflow soldering profiles for LSSOP packages.

Microcontrollers Selection Notes

Select this model when 16-bit performance is required alongside integrated LIN and I2C connectivity. Consider the 1.8V to 5.5V operating range for flexible power supply designs. Evaluate pin count compatibility with existing PCB layouts using the 20-LSSOP form factor. Compare memory sizes against application code requirements before finalizing selection.

Microcontrollers Part Context

This component belongs to the R8C/3x family of 16-bit microcontrollers designed for general-purpose embedded applications. The R8C architecture provides high efficiency and low power consumption suitable for battery-operated devices. This specific variant offers enhanced peripheral sets compared to entry-level models in the same series.

Microcontrollers Replacement Considerations

Consult official Renesas documentation for qualified substitute part numbers within the R8C family. Verify pin-to-pin compatibility and software register mapping before implementing any cross-references. Generic equivalents may lack specific peripheral configurations or electrical characteristics.