J-Link>r Reset delay: 0 ms Reset type NORMAL: Resets core & peripherals via SYSRESETREQ & VECTRESET bit. ResetTarget() start JDEC PID 0x000000CF Ambiq Apollo3 ResetTarget Bootldr = 0x04000000 Secure Part. Secure Chip. Bootloader needs to run which will then halt when finish. CPU halted after reset. TryCount = 0x00000000 ResetTarget() end J-Link>h PC = 0800017E, CycleCnt = 0295405D R0 = 40040000, R1 = 04000004, R2 = 00000003, R3 = 00000000 R4 = 00000000, R5 = 00000000, R6 = 00000000, R7 = 00000000 R8 = 00000100, R9 = 00000000, R10= 00000000, R11= 00000000 R12= 00000000 SP(R13)= 10001000, MSP= 10001000, PSP= 00000000, R14(LR) = 0800015F XPSR = 61000000: APSR = nZCvq, EPSR = 01000000, IPSR = 000 (NoException) CFBP = 00000001, CONTROL = 00, FAULTMASK = 00, BASEPRI = 00, PRIMASK = 01 FPS0 = 00000000, FPS1 = 00000000, FPS2 = 00000000, FPS3 = 00000000 FPS4 = 00000000, FPS5 = 00000000, FPS6 = 00000000, FPS7 = 00000000 FPS8 = 00000000, FPS9 = 00000000, FPS10= 00000000, FPS11= 00000000 FPS12= 00000000, FPS13= 00000000, FPS14= 00000000, FPS15= 00000000 FPS16= 00000000, FPS17= 00000000, FPS18= 00000000, FPS19= 00000000 FPS20= 00000000, FPS21= 00000000, FPS22= 00000000, FPS23= 00000000 FPS24= 00000000, FPS25= 00000000, FPS26= 00000000, FPS27= 00000000 FPS28= 00000000, FPS29= 00000000, FPS30= 00000000, FPS31= 00000000 FPSCR= 00000000 J-Link>erase No address range specified, 'Erase Chip' will be executed 'erase': Performing implicit reset & halt of MCU. ResetTarget() start JDEC PID 0x000000CF Ambiq Apollo3 ResetTarget Bootldr = 0x04000000 Secure Part. Secure Chip. Bootloader needs to run which will then halt when finish. CPU halted after reset. TryCount = 0x00000000 ResetTarget() end Erasing device... ****** Error: Failed to erase sectors 0 @ address 0x0000C000 ((erase error)) Failed to erase sectors. J-Link: Flash download: Total time needed: 0.121s (Prepare: 0.067s, Compare: 0.000s, Erase: 0.014s, Program: 0.000s, Verify: 0.000s, Restore: 0.039s) ERROR: Erase returned with error code -5.