The STC12C5A56S2-35I is an 8-bit microcontroller with an STC LQFP-44 10x10x08P RoHS package produced by STC. It is based on the STC12C5A family of single-chip microcontrollers and comes equipped with 24kB of Flash ROM, 512 bytes of RAM, two 16-bit Timers, one 16-bit WDT, two 16-bit PWM Timers, one SPI, one I2C, one UART, and one Gigabit Ethernet. It has a 32 MHz operating frequency, a wide voltage range of 2.4V to 5.5V, and an 8 bit 5V-tolerant I/O interface. It has an on-chip debug capability for programming, debugging, and ISP of application programs. Additionally, it is RoHS compliant.