AnsweredAssumed Answered

SDK demo app cannot download to LPCXpresso55S69?

Question asked by Quincy Wang on Oct 9, 2019
Latest reply on Nov 8, 2019 by Rick Bruyninckx

IDE: Keil V5.26.2.0

SDK: 2.6.2

Demo app: hello_world.


Compile is Ok, but cannot Debug or Download.


When start debuging, Keil tells me:

Cannot reset target.
Shutting down debug session.


logger in 'Build output' window:


Load "debug\\hello_world.out"
Cannot access Memory (@ 0x40034010, Write, Acc Size: 4 Byte)

File : D:\Keil_v5\ARM\PACK\NXP\LPC55S69_DFP\12.0.0\NXP.LPC55S69_DFP.pdsc
Sequence : ResetCatchSet -> ResetCatchSetCore0
Context : Item #0: <block>::Line 9
Expression : "v5\ARM\PACK\NXP\LPC55S69_DFP\12.0.0\NXP.LPC55S69_DFP.pdsc"
E310 : Debug access failed - cannot write value 0x00000000 to address 0x40034010 (accsize '4', AP '0')

PDSC: Sequence Execution failed
PDSC: Sequence Execution failed
Error: Flash Download failed - Target DLL has been cancelled
Flash Load finished at 15:03:52




Is there anyone can tell me what happen~ Thanks.