众志-863系统芯片 USBDC（univer serial bus devce control通用串行总线设备控制芯片，以下简称USBDC）是和带有USB主机控制器的设备进行通信的支持部件，实现和带有USB主机控制器的设备进行数据交换。 USBDC和APB连接进行寄存器的初始化配置，和DMAC连接进行大量的数据交换。-USBDC system-on-chip (Univer serial bus control devce Universal Serial Bus device control chips, hereinafter referred USBDC) and USB host controller with the communications equipment of support components, to achieve and with a USB host controller equipment for data exchange. USBDC and APB connection configuration register initialization, and DMAC link for the exchange of large amounts of data.