| 1. | Jx5 is a complex microprocessor , which contains cache , microcode rom , instruction prefetch unit , instruction decode unit , integer unit , mmx unit , floating point unit , page unit , bus unit , dp logic , apic and so on . it is very difficulty to test a such complicated microprocessor and receive anticipative fault coverage ratio . so , we must add dft in cpu ’ design
Jx5微处理器是一款结构异常复杂的微处理器,它的内部包含有: cache 、微码rom 、指令预取部件和动态分支预测部件、指令译码部件、整数部件、多媒体部件、浮点部件、分段和分页部件、总线接口部件、双处理器接口部件、可编程中断控制部件等。 |
