SOS: iar cannot write into my LPCXPRESSO-CN

Discussion created by lpcware Employee on Jun 15, 2016
Content originally posted in LPCWare by ccgzkr on Thu Nov 21 00:59:05 MST 2013
I have got an LPCXPRESSO-CN board, on which mounted the lpc1114 CPU, today when I connected it to my new PC with USB through MLINK, my IAR can't write any compiled program and show me the following infomation:
Loaded macro file: D:\Program Files\IAR Systems\Embedded Workbench 6.5\arm\config\flashloader\NXP\LPC1xxx.mac
DLL version: V1.11, compiled 2011/11/18
Model: MLINK, SN: xxxxxx
Hardware: Ver.I, Firmware: 1.06
Manufacturer: Manley, Date: 2011-01-05
Appliaction: V1.20
Connect: 0x0bb11477
Connect: 0x0bb11477
Power output: Off
Reset: Normal
Connect Mode SWD, Speed 0, Interrup Mask 0
FPUnit: 4 code (BP) slots and 0 literal slots
Found Cortex-M0 , Little endian
LPC1114FBD48_301 selected, Target: Flash size(0K) RAM size(0K)
Fatal error: Couldn't support CPU LPC1114FBD48_301! Please contact Manley! Session aborted!
Failed to load flash loader: D:\Program Files\IAR Systems\Embedded Workbench 6.5\arm\config\flashloader\NXP\FlashNXPLPC32K_CortexL.flash

I think the CPU can not be recognized now, please see the pic attached. Is this caused formerly I switch off the debug option on the GPIO port? how can I fix it? Please help me out of there, thank you.