【摘要】 描述了一种针对Nexperia多媒体平台PNX1300/PNX1500系列DSPCPU的PCI接口的JTAG控制器设计和实现。重点介绍JTAG接口标准,工作原理及其JTAG控制器的电路设计和程序设计,已实际应用在基于PNX1300的嵌入式系统调试中,取得了很好的效果。更多还原

【Abstract】 This paper describes design and implementation of a JTAG controller using PCI interface for Nexperia PNX1300/1500 series DSPCPU,mainly focuses on the JTAG standard and operation principle,the circuit design and the software development are also demonstrated.This control board has been used in the embedded system development based on PNX1300 and worked well.更多还原