R5F21322DDSP#U0

Microcontrollers Overview

The R5F21322DDSP#U0 is a 16-bit microcontroller from the Renesas R8C/32M series, featuring an 8 kB ROM program memory and 1 kB RAM. It operates with a maximum clock frequency of 20 MHz and supports a supply voltage range of 1.8 V to 5.5 V. The device includes a 10-bit ADC with four channels and provides 15 general-purpose I/O pins. Communication interfaces include I2C, LIN, and UART. It is housed in a 20-pin LSSOP package and functions within a temperature range of -20°C to +85°C.

Microcontrollers Feature Summary

• Integrates a 16-bit R8C CPU core for efficient instruction processing.
• Supports multiple communication protocols including I2C, LIN, and UART.
• Includes a 10-bit analog-to-digital converter with four input channels.
• Features built-in watchdog timer and power-on reset circuits.

Microcontrollers Applications

• LIN bus slave nodes in automotive applications
• Industrial control systems requiring robust communication interfaces
• Consumer electronics utilizing low-voltage operation

Microcontrollers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and moisture sensitivity level prior to assembly. Check for obsolescence notices as this part may be subject to production lifecycle changes. Ensure proper handling procedures are followed due to surface mount packaging requirements.

Microcontrollers Selection Notes

Select this MCU when a 16-bit architecture with integrated LIN interface is required. Consider the 20 MHz speed and 8 kB memory capacity for moderate complexity control tasks. Evaluate the 1.8 V to 5.5 V operating range against system power constraints. Verify that the 20-pin LSSOP package fits the PCB layout design.

Microcontrollers Part Context

This component belongs to the R8C/32M family of 16-bit microcontrollers designed for cost-sensitive applications. The R8C series emphasizes high integration and low power consumption. This specific model targets markets needing reliable communication capabilities in compact packages.

Microcontrollers Replacement Considerations

Consult official Renesas documentation for pin-compatible alternatives within the R8C series. Verify memory size and peripheral compatibility before substituting. No public substitute part numbers are confirmed for direct replacement.