Geehy‘s First Motor Control Dedicated MCU - APM32F035: Operating at a Frequency of 72MHz

PublishTime： 2023-08-10 Article Source：Geehy Semiconductor News

As a 32-bit FoC Vector Control MCU(Field-Oriented Control Vector Control MCU), APM32F035 comes with a built-in Vector Computer with various dedicated math accelerators, providing comprehensive support for FoC control algorithms. With outstanding high-efficiency computing and processing speed and rich analog and connectivity features, the APM32F035 enhances motor drive performance and reduces operating costs, enabling domestic motor companies to excel in the "IE3 high-efficiency era."

High-Speed Processing and Efficient Computing

Based on the Arm® Cortex®-M0+ core, operating at a frequency of 72MHz, it supports MDU+Cordic and CRC for superior motor processing performance. With 64KB Flash and 10KB SRAM, it fulfills various embedded motor application algorithm requirements. The MCU includes a single-cycle 32-bit hardware multiplier and integrates the M0CP coprocessor, enhancing the Cortex-M0+ running performance. Its hardware comprises shift units, 32-bit/32-bit dividers, multiply-add operations, square roots, trigonometric functions, and SVPWM (Space Vector Pulse Width Modulation). The Motor Control Dedicated MCU also features a dedicated motor PWM with complementary and brake modes, linked with M0CP.

Supporting Various Analog and Connectivity Functions

The APM32F035 boasts built-in high-precision analog and digital peripherals to cater to various functions and high-speed connectivity applications. Alongside conventional peripherals like 12-bit ADC (1Msps), SPI, UART (supporting full-duplex communication), I²C, and CAN, it includes two programmable analog comparators (COMP), four general-purpose operational amplifiers (OP-Amp) for diverse motor current sampling applications, and one temperature sensor. The four general-purpose operational amplifiers offer adjustable gain through external resistors or internal preset gain levels, with a conversion rate of up to 10v/μs.

Operating within a temperature range of -40℃ to +105℃ and a voltage range of 2.0 to 3.6V, it supports power-on/power-down reset, sleep, standby, and stop modes, ensuring flexible and balanced overall power consumption. The MCU is equipped with a real-time clock (RTC) and supports an infrared reception function for remote control. It also integrates one 16-bit advanced timer, two 16-bit basic timers, one 32-bit general-purpose timer, two watchdog timers, and one 24-bit down-counter SysTick.

Facilitating Rapid Mass Production with Leading Ecological Services

Geehy provides a complete development ecosystem, offering flexible, user-friendly, and diverse software and hardware development tools to engineers, facilitating rapid mass production. The Geehy Motor Control General Development Platform delivers comprehensive ecosystem support, including customer support, high/low-voltage general motor platforms, specialized hardware, low-level register SDK, dedicated motor computation, multiple algorithm choices, various control mode integration, and comprehensive protection mechanisms.

Geehy Motor Control Algorithm Platform

Geehy General Motor Control Evaluation Board

Geehy's high/low-voltage motor general evaluation boards adapt to various application scenarios, aiding users in understanding Geehy's motor chip characteristics and facilitating development and algorithm porting testing. It also offers a complete toolchain, multiple scenario demos, and fast, considerate technical support services to ensure users achieve rapid mass production.

The APM32F035 series is available in LQFP32 and LQFP48 packages, supporting matched pre-drivers. It is now in mass production and available for sampling. For sample requests, please contact the respective sales managers at their respective offices.

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