M2354 Series is a TrustZone® for Arm®v8-M architecture, It runs up to 96 MHz with 1024 Kbytes embedded Flash memory and 256 Kbytes SRAM. supporting Flash in dual-bank mode. secure firmware OTA (Over-The-Air) update. ultra-low power consumption in normal run with 89,3 ?A/MHz in LDO mode. 39,6 ?A/MHz in DC-DC mode and an 8 x 40 COM/SEG LCD driver inside,