R5F2123CJFP#W4

Microcontrollers Overview

The R5F2123CJFP#W4 is a 16-bit microcontroller from the Renesas R8C/2x/23 series, housed in a 48-LQFP (7x7) surface-mount package. It features an internal oscillator and operates at speeds up to 20MHz with a supply voltage range of 2.7V to 5.5V. The device includes 128KB of flash program memory, 6KB of RAM, and 2KB of EEPROM. Peripheral interfaces include CANbus, I2C, LINbus, SIO, SSU, and UART/USART. It provides 41 I/O lines and integrates twelve 10-bit A/D converters. Operating temperatures span from -40°C to 85°C.

Microcontrollers Feature Summary

• Supports automotive communication protocols including CANbus and LINbus for networked applications.
• Integrates twelve 10-bit analog-to-digital converters for multi-channel signal acquisition.
• Includes hardware peripherals such as a watchdog timer, power-on reset, and voltage detection circuits.

Microcontrollers Applications

• Automotive body electronics modules
• Industrial control systems requiring LINbus connectivity
• General-purpose embedded controllers

Microcontrollers Procurement Notes

Verify component authenticity through authorized channels due to end-of-life status. Confirm RoHS3 compliance and moisture sensitivity level (MSL 3) requirements for handling. Check specific datasheet revisions for any label updates or manufacturing changes documented in product change notices prior to final design implementation.

Microcontrollers Selection Notes

Select this component when 128KB of non-volatile storage and CAN/LINbus support are required within a 48-pin footprint. Ensure the design accommodates the 2.7V to 5.5V operating range and 41 available I/O pins. Consider the 20MHz maximum clock speed and internal oscillator accuracy for timing-sensitive tasks.

Microcontrollers Part Context

This part belongs to the R8C/2x family, designed for robust performance in demanding environments. The R8C architecture utilizes a high-speed 16-bit CPU core optimized for efficient code execution. This specific model represents a mid-range configuration within the series, balancing memory capacity with extensive peripheral integration for complex system control.

Microcontrollers Replacement Considerations

Consult official Renesas documentation for confirmed substitute part numbers. Verify pin compatibility and electrical specifications before transitioning designs to alternative components.