Hs650 is a special LED drive control circuit with keyboard scanning circuit interface. Internal integrated with MCU communication input and output interface, data latch, LED drive, keyboard scanning, brightness adjustment and other circuits. The chip has stable performance and strong anti-interference, and can be used in applications where 24-hour long-term continuous work is required.

◆ Display mode: 8 segments *4 bits \ 7 segments *4 bits

◆ The segment driving current is not less than 20mA, and the word driving current is not less than 150mA 

◆ 8-level brightness adjustable 

◆ Keyboard scanning: up to 28 (7*4) keys can be formed, and double key function is supported

◆ High speed two-wire serial interface

◆ Built in clock oscillator

◆ Built in power on reset module

◆ Working voltage：2.5V-5.5V

◆ SOP16 and DIP16 package