您好：我在使用cccs进行spl调试的时候，发现可以连接仿真器，但是在连接的时候出错，请问是什么问题呀？
CortxA8: Error connecting to the target: (Error -1170 @ 0x0) Unable to access the DAP. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings
