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This solution is a battery monitoring unit CMU in the energy storage high-voltage battery management system based on NXP S32K118 and MC33774. The single board can monitor up to 54 battery strings and 12 temperature data. It adopts CAN-BUS architecture, and S32K118 and MC33774 use isolated SPI for communication.

MK22FN512VFX12 is a high-performance microcontroller in the Kinetis K22 series launched by NXP Semiconductors. It has powerful processing power, rich peripheral resources and excellent low power consumption. How is it different from MK22FN512VFX12R?