JTAG仅作JTAG使用,未作GPIO用。有时可以连接上用IAR下载调试,有时一直连不上。什么原因?是硬件JTAG接口损坏?
Thu Sep 29, 2011 15:02:18: Loaded macro file: D:\Program Files\IAR Systems\Embedded Workbench 6.0 Kickstart\arm\config\flashloader\TexasInstruments\FlashLM3Sxxx.mac
Thu Sep 29, 2011 15:02:19: JTAG Speed is set to: 500 kHz
Thu Sep 29, 2011 15:02:21: Fatal error: **ERROR**: JTAG initialization failed 0x00000004 Session aborted!
Thu Sep 29, 2011 15:02:21: Failed to load flash loader: D:\Program Files\IAR Systems\Embedded Workbench 6.0 Kickstart\arm\config\flashloader\TexasInstruments\FlashLM3SxxxRAM16K.out
Thu Sep 29, 2011 15:02:21: Failed to load flash loader: D:\Program Files\IAR Systems\Embedded Workbench 6.0 Kickstart\arm\config\flashloader\TexasInstruments\FlashLM3Sx6xx.flash |