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Garden tools
Garden tool is the maintenance equipment for people to implement environment planning. It is a representative mechanized tool to maintain lawn and hedges, protect flowers and trees, and replace most manual labor.
Based on MindMotion’s MM32SPIN080C/MM32SPIN580C microcontroller, the garden tool takes MM32SPIN080C/MM32SPIN580C as its main control.
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MM32 MCU Model:
MM32SPIN080C Series
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MCU Specifications:
- Arm® Cortex-M0 core, operating at a frequency of up to 60MHz
- 32KB Flash，4KB SRAM
- One 12-bit analog-to-digital converter ADC, 11 channels supported and sampling rate 1Msps
- Four general-purpose timers and one PWM advanced timer for motor control
- Support UART/SPI communication
- Embed two operation amplifiers and two comparators for motor applications
- Embed 3-phase gated driver -
Features:
- Static low-power current below 20uA
- Senseless square wave drive (comparator polling scheme)
- Initial position detection using high-frequency injection method
- High senseless starting torque
- Stop Brakes
- Closed-loop speed control
- Current-limited control
- Over/under voltage, blocking, over temperature, over current protection
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MM32 MCU Model：
MM32SPIN580C
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MCU Specifications：
This device is a 32-bit microcontroller based on the high-performance Arm® Cortex-M0 core, operating at a frequency of up to 96MHz, with built-in high-speed memory, an extensive range of enhanced I/O ports and peripherals.
- 128KB Flash, 8KB SRAM
- Include two 12-bit ADC, with sampling speed up to 3Msps
- Five general-purpose timers and two PWM advanced timers for motor control
- One I2C interface, two SPI interfaces and three UART interfaces
- Embed three operation amplifiers and three comparators for motor applications
- The working voltage of the pre-driver reaches up to 200V
- Working temperature range (ambient temperature): -40℃ to +105℃
- Provide QFN48 package type
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Features:
- Support 48V, 64V and 72V voltage system
- Sensorless square wave drive (comparator polling scheme)
- High frequency injection for detecting initial position
- Large sensorless starting moment
- Stop and break
- Speed closed-loop control
- Limited current control
- Over/under voltage, block running and over current protection
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