眾志-863系統芯片 USBDC（univer serial bus devce control通用串行總線設備控制芯片，以下簡稱USBDC）是和帶有USB主機控制器的設備進行通信的支持部件，實現和帶有USB主機控制器的設備進行數據交換。 USBDC和APB連接進行寄存器的初始化配置，和DMAC連接進行大量的數據交換。
In the ffuart.tar.gz it has one file.
The serial.c is the source codes of the FFUART as a console port, it should be put into the directory: /usr/src/linux/drivers/char/, and be compiled into the kernel.
Three-input Majority Voter
-- The entity declaration is followed by three alternative architectures which achieve the same functionality in different ways.
