ATSAML22G18A
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            CoreCortex-M0+, 32 MHz 
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            FamilySAML22 
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          CMSIS PackSAML22_DFP
ARM Cortex-M0+ based ultra-low-power microcontroller with 256KB Flash, 32KB SRAM, 32 MHz, four 16-bit timer/counters, DM
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        Features Device ATSAML22G18A 
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          MemoryFLASH 256 KiB HPB0 16 KiB HPB1 64 KiB HPB2 24 KiB HSRAM 32 KiB PERIPHERALS 512 MiB PPB 1 MiB RWW 8 KiB SCS 4 KiB