MIMXRT1021CAF4B
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            CoreCortex-M7, 500 MHz 
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            FamilyMIMXRT1021 
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          CMSIS PackMIMXRT1021_DFP
i.MX MIMXRT1021 500MHz, 256KB SRAM Microcontrollers (MCUs) based on ARM Cortex-M7 Core
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        Features Device MIMXRT1021CAF4B 
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          MemoryROMCP 96 KiB SRAM_DTC 64 KiB SRAM_ITC 64 KiB SRAM_OC 128 KiB