31.07.2013 Views

轻松实现高速串行I/O

轻松实现高速串行I/O

轻松实现高速串行I/O

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

附录 B<br />

8b/10b 列表<br />

本信息来自RocketIO X收发器用户指南,想了解最新信息,请访问:<br />

http://www.xilinx.com/cn/bvdocs/userguides/ug035.pdf<br />

8b/10b 列表<br />

有效的数据字符和控制字符<br />

RocketIO X 收发器8b/10b编码包括一组数据字符与K字符。8位数值被编码为10位,以保持<br />

串行线路的直流平衡。K字符是利用CHARISK指定的特殊数据字符,用于专用信息命名。<br />

表1-1和表1-2分别为有效数据字符表和有效K字符表。<br />

表1-1: 有效数据字符<br />

数据字节<br />

HGF EDCBA位<br />

名称<br />

Current RD – abcdei<br />

fghj<br />

Current RD + abcdei fghj<br />

D0.0 000 00000 100111 0100 011000 1011<br />

D1.0 000 00001 011101 0100 100010 1011<br />

D2.0 000 00010 101101 0100 010010 1011<br />

D3.0 000 00011 110001 1011 110001 0100<br />

D4.0 000 00100 110101 0100 001010 1011<br />

D5.0 000 00101 101001 1011 101001 0100<br />

D6.0 000 00110 011001 1011 011001 0100<br />

D7.0 000 00111 111000 1011 000111 0100<br />

D8.0 000 01000 111001 0100 000110 1011<br />

D9.0 000 01001 100101 1011 100101 0100<br />

XILINX • 161

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!