scott$ jlinkexe -device nrf51822 -if swd -speed 4000

SEGGER J-Link Commander V5.10n (Compiled Feb 19 2016 18:41:48)
DLL version V5.10n, compiled Feb 19 2016 18:41:43

Connecting to J-Link via USB...O.K.
Firmware: J-Link OB-SAM3U128-V2-NordicSemi compiled Nov  2 2016 11:26:40
Hardware version: V1.00
S/N: 681941702
Emulator has Trace capability
VTref = 3.300V


Type "connect" to establish a target connection, '?' for help
J-Link>exitonerror
J-Link Commander will now exit on Error
J-Link>h
Target connection not established yet but required for command.
Device "NRF51822_XXAA" selected.


Found SWD-DP with ID 0x0BB11477
Found Cortex-M0 r0p0, Little endian.
FPUnit: 4 code (BP) slots and 0 literal slots
CoreSight components:
ROMTbl 0 @ F0000000
ROMTbl 0 [0]: F00FF000, CID: B105100D, PID: 000BB471 ROM Table
ROMTbl 1 @ E00FF000
ROMTbl 1 [0]: FFF0F000, CID: B105E00D, PID: 000BB008 SCS
ROMTbl 1 [1]: FFF02000, CID: B105E00D, PID: 000BB00A DWT
ROMTbl 1 [2]: FFF03000, CID: B105E00D, PID: 000BB00B FPB
ROMTbl 0 [1]: 00002000, CID: B105900D, PID: 000BB9A3 ???
Cortex-M0 identified.
PC = 00019DAA, CycleCnt = 00000000
R0 = 40002100, R1 = 00000000, R2 = 00000004, R3 = 20002054
R4 = 0001A1FC, R5 = 00000001, R6 = 0001A1FC, R7 = FFFFFFFF
R8 = FFFFFFFF, R9 = FFFFFFFF, R10= FFFFFFFF, R11= FFFFFFFF
R12= 00000000
SP(R13)= 20002D90, MSP= 20002D90, PSP= FFFFFFFC, R14(LR) = 00019795
XPSR = 81000000: APSR = Nzcvq, EPSR = 01000000, IPSR = 000 (NoException)
CFBP = 00000000, CONTROL = 00, FAULTMASK = 00, BASEPRI = 00, PRIMASK = 00
J-Link>w4 4001e504 2
Writing 00000002 -> 4001E504
J-Link>w4 4001e50c 1
Writing 00000001 -> 4001E50C
J-Link>sleep 100
Sleep(100)
J-Link>r
Reset delay: 0 ms
Reset type NORMAL: Resets core & peripherals via SYSRESETREQ & VECTRESET bit.
J-Link>h
PC = FFFFFFFE, CycleCnt = 00000000
R0 = FFFFFFFF, R1 = FFFFFFFF, R2 = FFFFFFFF, R3 = FFFFFFFF
R4 = FFFFFFFF, R5 = FFFFFFFF, R6 = FFFFFFFF, R7 = FFFFFFFF
R8 = FFFFFFFF, R9 = FFFFFFFF, R10= FFFFFFFF, R11= FFFFFFFF
R12= FFFFFFFF
SP(R13)= FFFFFFFC, MSP= FFFFFFFC, PSP= FFFFFFFC, R14(LR) = FFFFFFFF
XPSR = C1000000: APSR = NZcvq, EPSR = 01000000, IPSR = 000 (NoException)
CFBP = 00000000, CONTROL = 00, FAULTMASK = 00, BASEPRI = 00, PRIMASK = 00
J-Link>loadfile test/data/merged_0.1.7.hex
Downloading file [test/data/merged_0.1.7.hex]...
Comparing flash   [100%] Done.
Erasing flash     [100%] Done.
Programming flash [100%] Done.
Verifying flash   [100%] Done.
J-Link: Flash download: Flash programming performed for 7 ranges (122880 bytes)
J-Link: Flash download: Total time needed: 2.101s (Prepare: 0.094s, Compare: 0.059s, Erase: 0.000s, Program: 1.918s, Verify: 0.020s, Restore: 0.009s)
O.K.
J-Link>r
Reset delay: 0 ms
Reset type NORMAL: Resets core & peripherals via SYSRESETREQ & VECTRESET bit.
J-Link>g
J-Link>exit