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Description: CPU core: ARM Cortex-M3 CPU maximum main frequency: 120MHz Working voltage range: 1.8V~3.6V Internal oscillator: programmed FLASH Capacity: 512K@x8bit Total RAM capacity: 132KB Number of GPIO ports: 51 ADC (units/channels/bits): 1@x16ch /12bit 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 ℃ STM32 Series 32 Bit 512 kB Flash 132 kB RAM ARM Based Microcontroller - LQFP-64
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