In order to solve the pure logic control cycle is long, compile time is long, easy to maintain code cloth, now in the project is completed based on microblaze k7 development, has completed 921600 baud rate of serial port to send and receive (422) based on hardware, complete winbond flash data write and read back, direction of the next stage is to the development of the SDR type of sdram, but seems no MPMC interface to do, I hope to communicate more