NXP 恩智浦Kinetis K22: 120MHz
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Kinetis? K22: 120MHz Cortex-M4F 256-512KB Flash 80WLCSP Data Sheet Kinetis K22F 512KB Flash 80-Pin WLCSP 120 MHz ARM? Cortex?-M4 Based Microcontroller with FPU The Kinetis K22 product family members