The CMS89F7385 with SOP-28-300mil is a microcontroller unit (MCU/MPU/SOC) manufactured by Cmsemicon. It is a RoHS compliant device and is designed for monitoring and controlling various applications such as industrial and home automation. This device features a 16-bit core that operates up to 48 MHz and two power-saving sleep modes with low power consumption for energy saving and reduced operation costs. It has 256 KB of flash memory, 6KB of SRAM, 12 general-purpose GPIOs, two UARTs, two SPI interfaces, two I2C interfaces, two 16-bit Timers, a 12-bit A/D converter, a 16-bit PWM controller, a hardware watchdog timer and an internal Oscillator for clocking. It supports various types of external flash memory and is ideal for applications that require secure data storage and complex real-time monitoring and control.