MKW22D512VHA5 Overview
32 KB SRAM, 256 KB flash 64 KB SRAM, 512 KB flash 64 KB SRAM, 512 KB flash 64 KB SRAM, 512 KB flash Additional FlexMemory with up to 64 KB FlexNVM and up to 4 KB FlexRAM. Supports higher memory option and additional GPIO. Supports full speed USB 2.0.