用的是ccs版本是Version: 6.2.0.00050 ，仿真器XDS100v2usb，28377加载程序时报错;
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 6.0.407.3)
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: Error writing the PLL values. (Flash algorithm returned error code). Operation cancelled.
C28xx_CPU1: Error occurred during flash operation: Could not write 0x0005D200@Data: target is not connected
C28xx_CPU1: File Loader: Memory write failed: Unknown error
C28xx_CPU1: GEL: File: E:\code\APF\apf_V103\ccs\CPU1_FLASH\Apf_100_101.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
请问是什么原因呢？
