HD7279(A)是一片具有串行接口的，可同时驱动8位共阴式数码管(或64只独立LED)的智能显示驱动芯片，该芯片同时还可连接多达64键的键盘矩阵。

HD7279内部含有译码器，可直接接受16进制码，HD7279A还同时具有2种译码方式，HD7279(A)还具有多种控制指令，如消隐、闪烁、左移、右移、段寻址等。

-HD7279 (A) is with a serial interface and can also drive a total of 8 vaginal digital tube (or 64 independent LED) intelligent display driver chip, the chip can also connect up to 64-key keyboard matrix. HD7279 contain internal decoder can be directly accepted 16 hexadecimal code, HD7279A also have two kinds of decoding methods, HD7279 (A) also has a variety of control orders, such as blanking, blinking, the left, shifted to right, Duan search sites.