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CCS/CC2652P: CCS error

Part Number: CC2652P
Other Parts Discussed in Thread: CC2652R

Tool/software: Code Composer Studio

Hi,

I was testing the CC2652R launchpad, everything went well at first. But after a sudden---i might pushed the on-board reset button---the debugging crashed. And the error message is :

Cortex_M4_0: Error: (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 (e.g. lower TCLK). (Emulation package 8.4.0.00006)

Cortex_M4_0: Trouble Halting Target CPU: (Error -2064 @ 0x0) Unable to read device status. 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 8.4.0.00006)

Cortex_M4_0: Unable to determine target status after 20 attempts

Cortex_M4_0: 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

I tried to modify the JTAG clock speed as this post said: https://e2e.ti.com/support/tools/ccs/f/81/t/838758  but nothing changed.

Please help, thank you.