Debug.Start(); Device "XCZU7EV_R5_0" selected. ConfigTargetSettings() start ConfigTargetSettings() end InitTarget() start InitTarget() end TotalIRLen = 16, IRPrint = 0x000511 JTAG chain detection found 2 devices: #0 Id: 0x00000001, IRLen: 05, Unknown device #1 Id: 0x14710093, IRLen: 11, Unknown device ConfigTargetSettings() start ConfigTargetSettings() end InitTarget() start InitTarget() end TotalIRLen = 16, IRPrint = 0x000411 JTAG chain detection found 2 devices: #0 Id: 0x5BA00477, IRLen: 04, CoreSight JTAG-DP #1 Id: 0x14710093, IRLen: 11, Unknown device AP map detection skipped. Manually configured AP map found. AP[0]: CUSTOM-AP (IDR: Not set) AP[1]: APB-AP (IDR: Not set) AP[2]: CUSTOM-AP (IDR: Not set) Using preconfigured AP[1] as APB-AP AP[1]: APB-AP found Found Cortex-R5 r1p3 8 code breakpoints, 8 data breakpoints Debug architecture ARMv7.0 Data endian: little Main ID register: 0x411FC153 I-Cache L1: 32 KB, 256 Sets, 32 Bytes/Line, 4-Way D-Cache L1: 32 KB, 256 Sets, 32 Bytes/Line, 4-Way TCM Type register: 0x00010001 MPU Type register: 0x00001000 System control register: Instruction endian: little Level-1 instruction cache disabled Level-1 data cache disabled MPU disabled Branch prediction enabled CPU-TAP not found in JTAG chain Using stop mode for background memory accesses: https://wiki.segger.com/Memory_accesses. Connected to target device. ResetTarget() start ResetTarget() end Elf.GetEntryPointPC(); // returns 0x3C Target.SetReg ("PC", 0x3C); Connection to target device lost. Disconnected from target device.