单片机控制122x32液晶。液晶内部芯片包含RAM（类似于显存），当然不具备2D3D加速。不过，功耗非常低，一般几个毫瓦。-SCM 122x32 LCD. LCD chip contains an internal RAM (similar to memory), of course, does not have to speed up 2D3D. However, power consumption is very low, generally a few milliwatts.