TI中文支持网Part Number:TMS320F28377D
DSP新手，求教大神，感谢回复！！
CCS软件上仿真器能正常连接到芯片。
下载程序时报错，经检查，JTAG的TRST引脚在连接设备时已拉高，设备处于EMU BOOT MODE模式。
具体报错如下：FLASH擦除不了
C28xx_CPU1: Error: (Error -1044 @ 0x0) The debug probe reported an error. Confirm debug probe configuration and connections, reset the debug probe, and retry the operation. (Emulation package 6.0.222.0)C28xx_CPU1: Unable to determine target status after 20 attempts
C28xx_CPU1: Failed to remove the debug state from the target before disconnecting. There may still be breakpoint op-codes embedded in program memory. It is recommended that you reset the emulator before you connect and reload your program before you continue debugging
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0007026D@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x00130@Program: target is not connected
C28xx_CPU1: Flash Programmer: Error erasing Sector B. Operation Cancelled.
C28xx_CPU1: Error occurred during flash operation: Could not write 0x00050024@Data: target is not connected
C28xx_CPU1: File Loader: Memory write failed: Unknown error
C28xx_CPU1: GEL: File: F:\TASK\DSP\setup_cpu01\CPU1_FLASH_STANDALONE\setup_cpu01.out: Load failed.
C28xx_CPU1: Error occurred during flash operation: Could not read register PC: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005F800@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x00000@Program: target is not connected
C28xx_CPU1: Error occurred during flash operation: Cannot enable while the target is disconnected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0007026D@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Failed to run target while trying to execute pwrite_en.alg
C28xx_CPU1: Flash operation timed out waiting for the algorithm to complete. Operation cancelled.
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0007026D@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0007026D@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D200@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x5D200@Program: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0007026D@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005D20E@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D20E@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005D20E@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D20E@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005D22E@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005D208@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D208@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005D208@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D208@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005D222@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D222@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D214@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005D20E@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D20E@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D20E@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D222@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D200@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x00000@Program: target is not connected
C28xx_CPU1: Error occurred during flash operation: Cannot enable while the target is disconnected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0007026D@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Failed to run target while trying to execute pwrite_dis.alg
C28xx_CPU1: Flash operation timed out waiting for the algorithm to complete. Operation cancelled.
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0007026D@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not read 0x0005F444@Data: target is not connected
C28xx_CPU1: Error occurred during flash operation: Could not write register PC: target is not connected
Green Deng：
不知道你是第一次使用板子的时候报错还是用着用着突然开始报错的？
如果初次使用报错，那需要排除的原因就多了。
可以尝试更换CCS版本，使用例程测试，条件允许的话更换其他JTAG（包括连接线）。还要注意仿真器到板子的连接线距离不要太远，最好小于10cm并且保持几条信号线等长。
