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RENESAS R5F2123CJFPU0 Microcontroller

The R8C/23 series is a high-performance 16-bit CMOS microcontroller with 1MB address space, embedded flash memory, and integrated CAN module, ideal for automotive and industrial networking. It supports UART and I2C interfaces, has a watchdog timer, and features a robust package suited for demanding embedded applications. Its versatile peripherals and high-speed operation enable efficient processing for complex control systems, ensuring reliability and flexibility in automotive, factory automation, and communication networks.

Authorized Distributors
Part No:R5F2123CJFP#U0
Stock:0
Inv Date:06-07-2026
Price: N/A
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RENESAS R5F2123CJFPU0 Microcontroller Specifications:

  • CPU: 89 instructions, minimum instruction execution time: 50 ns at 20 MHz, 100 ns at 10 MHz
  • Address space: 1 Mbyte
  • Memory: Program ROM up to 128 Kbytes, Data Flash 1 Kbyte x 2 blocks (for R8C/23 group)
  • Peripheral ports: 41 I/O pins, 3 input-only pins
  • Timers: Timer RA, RB (8-bit), Timer RD, RE (16-bit, input capture, output compare), Timer RE with compare match
  • Serial interfaces: UART (UART0, UART1), I2C bus, clock synchronous serial interface
  • CAN module: 1 channel, 2.0B specification, 16 slots
  • A/D Converter: 10-bit, 12 channels
  • Watchdog timer: 15 bits with prescaler
  • Clock generation: On-chip high-speed oscillator (up to 40 MHz), low-speed oscillator, frequency adjustment
  • Power supply: VCC = 3.0V to 5.5V
  • Operating temperature: -40°C to 85°C, optionally up to 125°C
  • Package: 48-pin mold-plastic LQFP

Buy the Renesas Series R8C/23 Microcontroller: R5F2123CJFPU0

Order the Renesas R5F2123CJFPU0 microcontroller online today and elevate your embedded system projects. With 1MB address space, embedded flash, and CAN support, it offers high-speed processing and reliable communication for automotive, factory automation, and communication networks. Its versatile interfaces including UART and I2C, along with a 10-bit ADC and watchdog timer, ensure efficient control, real-time performance, and durability. Purchase now for quick delivery and start developing robust, future-proof applications with confidence.

Get Renesas R5F2123CJFPU0 today—built for precision and long-lasting durability in automotive and industrial control applications.

Frequently Asked Questions

Where can I buy RENESAS R5F2123CJFPU0?

You can click on the BUY or RFQ button to purchase R5F2123CJFPU0 from an authorized RENESAS distributor.

How do I troubleshoot issues or seek technical support for part R5F2123CJFPU0?

You can download the R5F2123CJFPU0 datasheet or visit the RENESAS website for support.

Who is the manufacturer of R5F2123CJFPU0?

RENESAS

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