Jihai’s first real-time control MCU based on the Arm® Cortex®-M52 dual-core architecture——G32R501 was officially launched at the Jihai channel partner conference. This new series is based on a 40nm advanced process technology, supports dual-core efficient collaboration, integrates high-performance sensing, rich control peripherals, and a flexible peripheral interconnect system. It is a high-performance real-time control MCU product developed for high-end applications in scenarios such as new energy inverters, industrial automation, commercial power supplies, and new energy vehicles. It aims to address the design challenges of real-time control systems that require higher efficiency, higher power density, higher precision, and higher reliability from the chip level, covering applications in photovoltaic/storage inverters, charging pile power modules, server power supplies, onboard OBC, UPS, servo controllers, robots, etc.

Louis, Senior Product Manager of Jihai’s Real-Time Control Product Line, stated at the launch event:
The fields of new energy vehicles, energy storage, intelligent driving, robotics, and smart energy will maintain rapid development in the past and future, driving technological advancements in the new energy industry and achieving quality innovations in terminal applications. This is the original intention of Jihai’s layout of real-time control MCUs, and the G32R501 series real-time control MCU has achieved international leading levels in some indicators.
Dual-Core Innovative Architecture Design
Supports High Energy Efficiency and Low Latency System Design
The G32R5 series utilizes the latest Arm v8.1-M architecture designed Arm® Cortex®-M52 dual-core CPU, supporting homogeneous dual-core parallel operation, capable of executing high-performance computing tasks and real-time control tasks simultaneously. The operating main frequency can reach up to 250MHz, and its real-time computing power can rival that of 800MHz Cortex-M7 core products; it has a built-in single/double precision floating-point unit (FPU), supporting Arm HeliumTM technology, significantly enhancing advanced digital signal processing (DSP) capabilities and machine learning (ML) application performance, bringing AI computing power into lower-cost, lower-power application products. At the same time, by supporting a custom data path CDE interface, it can expand Jihai’s self-developed Zidian mathematical instruction extension unit, supporting various mathematical computation accelerations such as trigonometric functions, Fourier transforms, and complex mathematics at the instruction set level, greatly reducing mathematical computation time and lowering CPU access latency, thereby improving the overall real-time performance and intelligence of the system.
The G32R501 supports a maximum of 640KB Flash, which is divided into two independent storage units of 512KB and 128KB, supporting parallel programming and execution; additionally, the product has a built-in 128KB SRAM, supporting tightly coupled memory (TCM) for storing real-time control core code, significantly improving operational efficiency; it also has 6-channel DMA modules, which help reduce CPU load and achieve more efficient data transfer.


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Optimized Signal Acquisition
Highly Sensitive Sensing Input Unit
The G32R501 integrates a rich set of high-performance analog and signal processing peripherals, providing strong support for complex real-time control applications:
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3 12-bit ADCs (3.45MSPS sampling rate)
Can accurately and efficiently collect and process multiple analog signals, significantly improving system data throughput and response speed.
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7 built-in 12-bit reference DAC comparators
Support trip function, can monitor input voltage levels in real-time, ensuring system safety and stability.
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7 enhanced capture modules (CAP)
Among them, 2 support high-resolution capture (HRCAP) functions, enabling high-precision signal capture, suitable for high-speed dynamic control scenarios.
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2 enhanced quadrature encoder pulse (QEP) modules
Support CW (clockwise)/CCW (counterclockwise) operation modes, meeting the precision motor control needs, providing high-precision displacement and speed measurement capabilities.
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4 Σ-Δ filter modules (SDF)
Used to enhance ADC accuracy and signal-to-noise ratio, optimizing signal quality, especially suitable for analog signal processing in high-noise environments.

Enhanced Control Performance
Achieving High Precision Real-Time Control
The G32R501 further enhances system performance and application adaptability through its rich built-in high-precision control and communication peripherals:
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16 high-resolution PWM channels (150ps resolution)
Provides extremely high precision and accuracy control signals, optimizing system performance, while possessing excellent power topology adaptability, capable of meeting complex power management and dynamic control needs.
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4 flexible logic blocks (FLB)
By configuring enhanced peripheral interconnects, it provides efficient and flexible connectivity for on-chip control peripherals, simplifying system design and enhancing real-time control efficiency.
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Rich communication peripherals
Integrates various communication interfaces such as UART, CAN, I2C, QSPI, and PMBus, combined with multiple multiplexing options, can flexibly adapt to diverse application scenarios, meeting communication needs in industrial automation, new energy, automotive electronics, and other fields.
High-Security System Architecture
Adapting to Mid-High-End Application Reliability Needs
The G32R501 performs excellently in safety and reliability, ensuring stable operation in harsh environments through multiple designs and certifications:
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Dual Code Security (DCS) Function
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Provides comprehensive security protection, preventing unauthorized access and viewing of on-chip secure memory and other security resources, ensuring data and system confidentiality and integrity.
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Multiple Security Enhancement Features
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Clock loss detection circuit: Real-time monitoring of clock signals to prevent system failures caused by clock abnormalities.
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Watchdog timer: Ensures the system can automatically reset in case of anomalies, improving operational reliability.
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Register write protection: Prevents critical configurations from being accidentally modified, enhancing system robustness.
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Error correction code (ECC) and parity: Provide error detection and correction capabilities for memory and data transmission, enhancing data integrity.
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International Certifications and Environmental Adaptability
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Complies with IEC61508 SIL2 safety integrity level, meeting high safety requirements in industrial control fields.
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Meets AEC-Q100 Grade 1 certification standards, suitable for automotive electronics fields.
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Wide operating temperature range (-40℃ ~ 125℃), maintaining excellent real-time signal processing performance and stability in complex application scenarios.
Comprehensive Ecological Support
Accelerating Product Innovation Upgrades
The G32R501 provides a complete ecological development system to assist engineers in efficient development and achieve shorter project implementation cycles:
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Comprehensive Ecological Support
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Provides various library resources: driver libraries, mathematical libraries, middleware, security libraries, application libraries, meeting users’ needs at different development stages.
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Supports multi-task operating systems and software/hardware development tools, ensuring smooth development processes.
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Compatible with mainstream IDE toolchains: KEIL, IAR, Eclipse, facilitating users’ use of familiar development environments.
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Rich Hardware Support
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G32R501 EVAL Evaluation Board: Used for complete function demonstration and preliminary solution verification, helping users get started quickly.
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Dual Motor Debugging Board: Provides efficient debugging support for complex motor control applications.
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EtherCAT Bus Debugging Board: Meets high-performance bus protocol debugging needs in the industrial communication field.

The Jihai real-time control team can also provide fast response, comprehensive and thoughtful technical support services, offering 48V/50A bidirectional power supply, 800W one-to-two micro inverter, EtherCAT bus-type high-voltage servo controller, low-voltage sensorless dual motor, 2.2kW high-performance vector frequency converter and other mass production-level reference solutions to meet various users’ multi-scenario application needs.
With China’s leadership in the global “carbon neutrality” and “carbon peak” wave, real-time control technology has been integrated into every digital control system. The launch of the Jihai G32R501 series real-time control MCU will further broaden the application of edge AI in richer terminal application products, laying another cornerstone for the upgrade and transformation of the digital age.

The G32R501 series real-time control MCU is now officially mass-produced and available in various package options such as QFN56, LQFP64/80/100. If you are interested, please scan the QR code below.

