The CMS89F113 is a 16-pin SOP-16 Microcontroller Unit (MCU/MPU/SOC) ROHS manufactured by Cmsemicon. This unit is based on the 8051 microcontroller core and has 4KBytes of onboard Flash program memory, 128 bytes of RAM, 8K bytes of EEPROM, 6 interrupt sources, 12-bit resolution on analog comparators, and on-chip WatchDog Timer (WDT). The OTP and ROM version of this unit also feature several peripheral ports such as an 8-bit Parallel I/O port and a three-channel 10-bit A/D converter. It is an ideal solution for embedded control applications requiring real-time monitoring and/or data logging solutions.