MAX28200 16-Bit Microcontroller with ADC & I2C Analog Devices MAX28200 16-Bit Microcontroller with ADC and I2C is designed for low-power applications, including smartphones and consumer electronics. The device combines a 16-bit RISC microcontroller with a 10-bit, 93.75ksps ADC. The device also features an I2C communications port. The device includes four GPIO pins, 16KB of flash memory, and 2KB of data SRAM. Additional utility ROM space has macros like an I2C bootloader to enable flash memory firmware updates. The device provides NIST SP 800-185 compliant secure hash algorithm (SHA-3) KMAC challenge-response authentication. The Analog Devices MAX28200 16-Bit Microcontroller with ADC and I2C can be paired with other SHA-3 devices.