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官方买的开发板,怎么出现这种情况,而且都不知从哪下载资料,郁闷



C55xx: Trouble Writing Register PC: (Error -1024 @ 0x0) Requested JTAG operation failed. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 6.0.14.5)
C55xx: Can't Run Target CPU: (Error -1141 @ 0x0) Device is not responding to the request. Reset the device, and retry the operation. If error persists, confirm configuration, power-cycle the board, and/or try more reliable JTAG settings (e.g. lower TCLK). (Emulation package 6.0.14.5)

这什么意思?代码都加不上