Renesas Electronics Corporation R5F2M122ANSP#W4

Product Overview

The R5F2M122ANSP#W4 from Renesas Electronics is a high-performance 16-bit microcontroller from the R8C/Mx/12A series, engineered specifically for embedded and industrial electronics applications. Built on the proven R8C core architecture and operating at 20MHz, this microcontroller delivers exceptional processing power combined with energy efficiency. With 8KB of Flash memory for program storage and 512 bytes of RAM for data handling, it provides the perfect balance of performance and resource optimization for control systems, sensor interfaces, and compact embedded designs.

This industrial-grade MCU is designed to meet the demanding requirements of modern embedded systems, offering robust peripheral integration, wide voltage compatibility, and reliable operation across extended temperature ranges. Whether you're developing motor control systems, data acquisition modules, or battery-powered IoT devices, the R5F2M122ANSP#W4 delivers the performance and flexibility your application demands.

Key Features & Technical Benefits

• 16-Bit R8C Core Architecture: Optimized CISC processing engine designed for real-time control applications with efficient instruction execution and low power consumption
• 8KB Flash Program Memory: Ample non-volatile storage with in-system programmability (ISP) for flexible firmware updates and development iterations
• 512 Bytes RAM: Sufficient data memory for variable storage, stack operations, and runtime processing in embedded control applications
• Wide Operating Voltage Range (1.8V - 5.5V): Compatible with various power supply configurations including battery-powered, 3.3V, and 5V systems without external level shifters
• 17 General-Purpose I/O Pins: Flexible GPIO configuration for interfacing with sensors, actuators, displays, and communication peripherals
• Integrated Communication Peripherals: UART/USART serial interface for RS-232, RS-485, and asynchronous communication protocols
• PWM Output Capability: Pulse-width modulation for motor control, LED dimming, and analog signal generation applications
• 6-Channel 10-bit ADC: High-precision analog-to-digital converter for sensor data acquisition, voltage monitoring, and analog signal processing
• Built-in Voltage Detection: Power-on reset (POR) and brownout detection for reliable system initialization and fault protection
• Watchdog Timer (WDT): System reliability feature that automatically resets the MCU in case of software malfunction or lockup conditions
• Internal Oscillator: On-chip clock generation reduces external component count, lowers BOM cost, and simplifies PCB layout design
• 20-LSSOP Surface Mount Package: Compact low-profile package (0.173" / 4.40mm width) ideal for automated assembly and space-constrained designs
• Industrial Temperature Range (-20°C to +85°C): Qualified for operation in harsh industrial environments, automotive applications, and outdoor installations
• RoHS Compliant: Lead-free manufacturing meets European environmental standards and global regulatory requirements
• Tape & Reel Packaging: Production-ready packaging for high-volume automated pick-and-place assembly processes

Target Applications

The R5F2M122ANSP#W4 microcontroller is engineered for a wide range of embedded system applications:

• Industrial Automation: PLC modules, process control systems, factory automation equipment, and industrial HMI interfaces
• Motor Control: Brushed and brushless DC motor drivers, stepper motor controllers, and PWM-based speed regulation systems
• Sensor Interface Modules: Temperature monitoring, pressure sensing, flow measurement, and multi-sensor data acquisition systems
• Battery-Powered Devices: Portable instrumentation, handheld meters, wireless sensor nodes, and low-voltage embedded systems
• Consumer Electronics: Home appliance control, smart thermostats, HVAC controllers, and white goods applications
• Communication Interfaces: Serial protocol converters, RS-232/RS-485 gateways, UART bridges, and data logging devices
• Automotive Electronics: Body control modules, dashboard instrumentation, sensor interfaces, and auxiliary control systems
• Medical Devices: Patient monitoring equipment, diagnostic instruments, and portable medical electronics (subject to certification)

Design Advantages

Choosing the R5F2M122ANSP#W4 for your embedded design offers several key advantages:

• Reduced Component Count: Integrated peripherals and internal oscillator minimize external components, reducing PCB complexity and BOM costs
• Flexible Power Design: Wide voltage range eliminates the need for dedicated voltage regulators in many applications
• Fast Time-to-Market: Comprehensive development tools, code libraries, and reference designs accelerate product development cycles
• Long-Term Availability: Renesas commitment to product longevity ensures component availability for multi-year production runs
• Scalable Architecture: Pin-compatible variants and family members enable easy migration to higher or lower performance options

Why Choose HQICKEY for Your Semiconductor Needs?

At HQICKEY, we are your trusted partner for authentic, high-quality semiconductor components. We specialize in serving engineers, manufacturers, and electronics professionals worldwide with genuine parts sourced exclusively from authorized distributors and verified supply chains.

Our commitment to you includes:

• 100% Authentic Components: Every part is sourced from authorized channels with full traceability and manufacturer documentation
• Long Lifecycle Support: We maintain inventory of critical components to support your production needs throughout your product's lifecycle
• Technical Expertise: Our engineering team provides pre-sales consultation, design guidance, and post-sales technical support
• Quality Assurance: Rigorous inspection and testing procedures ensure you receive components that meet or exceed manufacturer specifications
• Global Logistics: Fast, reliable shipping to engineering labs and manufacturing facilities worldwide
• Competitive Pricing: Volume discounts and flexible pricing for prototyping, production, and long-term supply agreements

Explore Our Complete Microcontroller Portfolio

Looking for alternative microcontroller solutions or complementary components? Browse our extensive Microcontrollers Collection featuring thousands of MCUs, processors, controllers, and FPGAs from industry-leading manufacturers including Renesas, Microchip, STMicroelectronics, NXP, Texas Instruments, Infineon, and more.

Our microcontroller inventory spans:

• 8-bit, 16-bit, and 32-bit architectures
• ARM Cortex-M, RISC-V, and proprietary cores
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• Wireless-enabled MCUs with Bluetooth, Wi-Fi, and LoRa
• Application-specific microcontrollers for specialized markets

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Our technical content is curated by experienced engineers to help you make informed design decisions and accelerate your development process from concept to production.

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When you order the R5F2M122ANSP#W4 from HQICKEY, you're not just purchasing a component—you're partnering with a team dedicated to your success. We understand the critical importance of component authenticity, supply chain reliability, and technical support in today's competitive electronics market.

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• R5F2M122ANSP#W4.pdf