MKM33Z64ACLL5

MKM33Z64ACLL5 is a KM3x precision metrology MCU with segment LCDs based on Arm® Cortex®-M0+. It enables single-chip one-, two- and three-phase electricity meters, as well as flow meters and other precision measurement applications. It provides security with active and passive tamper detection with time stamping. It supports high-precision internal voltage reference with low temperature drift. It features a comprehensive enablement suite including reference designs.

• 24bit sigma delta ADC with 94dB SNR
• Programmable gain amplifier with gains from 1 to 32 with low temperature drift
• High precision internal voltage reference with low temperature drift
• Tamper detection with time stamping, random number generator, memory protection unit
• Memory mapped cryptographic acceleration unit (MMCAU) for AES encryption
• 64KB program memory
• 16KB RAM memory
• 50MHz maximum operating frequency
• 100-pin LQFP package
• Operating temperature range from -40 to +85°C