It is a Shlan SC32F58128 chip model
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As the core frequency conversion control MCU chip of frequency conversion air conditioning, Shilan SC32F58128 chip is the first domestic chip that has truly achieved mass production
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Chip power supply 3.3V Chip power supply 3.3V GND GND NC null GND GND GND GND DC voltage detection signal input
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n Switching power supply circuit: The switching power supply chip is used to periodically control the on-off of the internal switching device to adjust the output required by the stable low-voltage voltage source to provide the back-end