.The ASM87L164 is a TSSOP-28 RoHS compliant Other Processors and Microcontrollers (MCUs) manufactured by Sine Microelectronics. The processor/MCU is low-power, high-performance 8051-compatible microcontroller, suitable for a wide range of embedded control applications. It has an operating voltage of 2.7-5.5V and a temperature range of -40°C to +85°C. It features an 8kbytes Mask ROM, 64 bytes RAM, 4 ports of I/O, two 16-bit timer/event counter, a serial UART, one external interrupt, and one I2C interface. It also integrates a watchdog timer (WDT), an on-chip oscillator, and an oscillator tuning circuit. The ASM87L164 is suitable for consumer electronics, industrial automation, building automation, home automation and other automation related applications.