在使用cc2650芯片想把它加入ZigBee网络，编译成功，但在debug时出现以下错误，请问该如何解决
时间：10-02
整理：3721RD
点击：
Tue Mar 01, 2016 15:03:04: Fatal error: Failed to load ftd2xx.dll Ensure that the TI Emulation package has been installed. It can be found in the IAR Embedded Workbench installation, under arm\drivers\ti-xds. Session aborted!
Tue Mar 01, 2016 15:03:04: Failed to load flash loader: C:\Program Files\IAR Systems\Embedded Workbench 7.0\arm\config\flashloader\TexasInstruments\FlashCC26xx.flash
用的是什么板子，什么仿真器？