说明：  VK1621S-1 是一个32×4的LCD驱动器，可软体程式控制使其适用于多样化的LCD应用线路，仅用到3至4条信号线便可控制LCD驱动器，除此之外也可介由指令使其進入省电模式
(driver can be controlled by software program to make it suitable for a variety of LCD application lines. signal lines can be used to control the LCD driver. In addition, it can also enter the power saving mode by command)