The STC12LE5A60S2-35I-LQFP44 is an electronic part manufactured by STC. It is a low power microcontroller based on STC's proprietary single-chip 80C51 central processing unit core. This device has a maximum operating frequency of 35MHz and uses STC's low power low-emission LQFP-44_10x10x08P RoHS packaging technology for miniaturization. The STC12LE5A60S2-35I-LQFP44 offers 56KB of Flash program memory, 1.25KB of RAM, one time programmable (OTP) memory, five integrated 16-bit timers/counters, and six serial channels. This device also features hardware real-time clock (RTC) support, programmable power saving modes, and an UART interface. The STC12LE5A60S2-35I-LQFP44 is ideal for embedded controllers, data collecting, industrial control systems, communication and consumer products.