Shenzhen Mingjiada Electronics Co., Ltd. has been a long-term supplier of the Renesas R5F21265 16-bit microcontroller. Based on the R8C/Tiny series CPU core and manufactured using a high-performance silicon-gate CMOS process, this chip features a rich set of integrated peripherals and a wide operating voltage range, making it widely used in embedded applications such as automotive electronics, industrial control, home appliances, and office automation.
I. Overview of the R5F21265 Chip
The R5F21265 is a 16-bit microcontroller from Renesas Electronics’ R8C/26 series. Based on the R8C/Tiny series CPU core, it is packaged in a 32-pin LQFP (7×7 mm). The chip features a 1MB address space, enabling high-speed instruction execution and high instruction efficiency. It integrates a watchdog timer, voltage detection circuitry, and various serial communication interfaces onto a single chip, making it suitable for use in automotive sub-controllers, industrial monitoring equipment, and high-performance system sub-microcontrollers.
II. R5F21265 Core Specifications
Core and Memory:
Core Processor: R8C (16-bit CISC architecture)
Maximum Operating Frequency: 20 MHz
Program Memory Capacity: 24 KB Flash (24K × 8)
RAM Capacity: 1.5 KB
Data Flash: None (The main difference between the R8C/26 and R8C/27 is the presence or absence of data Flash)
Power Supply and Operating Conditions:
Supply Voltage: 2.2V to 5.5V wide voltage range, compatible with 3.3V and 5V systems
Operating Temperature: -20°C to +85°C
Maximum Power Consumption: 500mW
Peripherals and Interfaces:
I/O Ports: 25
Data Converters: 10-bit A/D × 12 channels
Communication Interfaces: I²C, LINbus, SIO, SSU, UART/USART
Timers: 8-bit × 3 channels, 16-bit × 1 channel
Other Peripherals: LED driver, POR (Power-On Reset), voltage detection, WDT (Watchdog Timer), RTC (Real-Time Clock), LVD/PVD (Low Voltage Detection)
Oscillator Type: Internal oscillator
Package: 32-LQFP (7 × 7 × 1.7 mm, 0.8 mm pin pitch)
Mounting Type: Surface Mount
Environmental Compliance: Lead-free, RoHS 3 compliant
III. Typical Application Scenarios
3.1 Automotive Electronic Control Systems
The R5F21265 is suitable for automotive electronic applications such as body control modules, in-vehicle sub-controllers, and monitoring microcontrollers. Renesas officially positions this series as the preferred solution for automotive control, high-performance system sub-microcontrollers, and monitoring microcontrollers. Its LIN bus interface and CAN communication support enable integration into in-vehicle networks, while its wide operating temperature range and voltage detection circuits further ensure reliable operation in harsh automotive environments.
3.2 Industrial Control and Automation
This chip is widely used in industrial control systems, battery-powered equipment, and industrial automation scenarios, providing stable embedded control capabilities for PLC modules, sensor interfaces, and motor control. Its wide supply voltage range makes it particularly suitable for portable industrial equipment powered by batteries or unregulated power supplies.
3.3 Home Appliances and Office Equipment
The R8C/26 series is widely used in consumer embedded applications such as home appliance controls, office automation equipment (e.g., printers and copiers), and audio product controls. The R5F21265’s high level of peripheral integration reduces the number of external components, thereby lowering system BOM costs.
3.4 Communications and Data Modules
With serial communication interfaces such as I²C, UART/USART, and SSU, this chip is suitable for data communication modules, communication equipment, and various embedded systems requiring multi-protocol serial communication.
IV. Mingjiada Electronics Supply Services
Established in 1996 and headquartered in the core commercial district of Huaqiangbei, Futian District, Shenzhen, Shenzhen Mingjiada Electronics Co., Ltd. is a globally renowned authorized independent distributor of electronic components and a specialist in inventory management. The company holds ISO 9001 Quality Management System and ISO 14001 Environmental Management System certifications and maintains branches in Hong Kong, Japan, the United States, Germany, Russia, and other countries and regions.
Mingjiada provides a long-term, stable supply of the full range of Renesas microcontrollers. For the R5F21265SNFP, we offer brand-new, genuine, in-stock units to meet the immediate procurement needs of automotive electronics solution providers, industrial control equipment manufacturers, home appliance manufacturers, and communication module developers. With a inventory of 2 million SKUs, we support both small-batch sample orders and large-volume purchases.
For more information on the availability of the R5F21265, please contact the professional team at Mingjiada Electronics.
Contact: Mr. Chen
Mobile: +86 13410018555
Email: sales@hkmjd.com
Tags: R5F21265SNFP, R5F21265SNF, R5F21265SN, R5F21265S, R5F21265
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