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Description: CPU core: Cortex-M7; ARM Cortex-M4 CPU maximum dominant frequency: 240MHz; 480MHz working voltage range: 1.62V~3.6V Internal oscillator: programmed FLASH Capacity: 2MB RAM Total capacity: 1MB Number of GPIO ports: 119 ADC (units/channels/bits): 1@x28ch /16bit DAC (units/channels/bits): 1@x2ch /12 bit peripheral/function/protocol stack: undervoltage detection/reset; DMA； LCD drive; watchdog; POR； PWM operating temperature range: - 40 ℃~+85 ℃
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