The CMS89F116 with SOP-20-7.8mm is a cost-effective 8-bit microcontroller unit (MCU) produced by Cmsemicon. The device features integrated memory, analog and logic peripheral functions, and low-power operation. This MCU includes an 8-bit CPU with up to 32KB ROM, 2KB RAM, an integrated voltage regulator, 8 10-bit A/D converters, two 8-bit timers, and one 16-bit timer. This MCU also offers a wide range of I/O capabilities and features dedicated functions for serial communication, LCD, and PWM operation. The device's operating voltage is 3V-5.5V and it comes in an RoHS compliant SOP-20-7.8mm package.