NGX4330 & LPC4337 Flash/debug problem

[lpcware]

Content originally posted in LPCWare by monnoliv on Mon May 11 07:05:16 MST 2015
Hi,

I'm using the NGX4330 board (that is in fact populated with the LPC4337 chip) since 5 months.
I get periodically debug/flash problem but now, I get this message when I want to launch a debug session:

LPCXpresso Debug Driver v7.7 (Mar 31 2015 21:04:35 - crt_emu_lpc18_43_nxp build 93)
Emu(0): Conn&Reset. CpuID: 410FC240. Info: HID64HS12
Debug protocol: JTAG Frequency 3000 KHz. RTCK: Disabled. Vector catch: Enabled.
loaded v.2 On-chip Flash Memory LPC18x7_43x7_2x512_BootA.cfx
image 'LPC18x7/LPC43x7 2x512KB (Boot Bank A) Mar 17 2015 09:28:13'
NXP: LPC4337  Part ID: 0x00000000
Connected: was_reset=true. was_stopped=false
LPCXpresso Free License - Download limit is 256K
[color=#9c6]V.2 flash driver never became ready (after 1505 ms) - status still 0x0
SP:     10080FE0
LR:     FFFFFFF9
PC:     10000000
xPSR:   00000003[/color]
Flash Driver V.2 startup failed - rc Ef(9). Flash operation aborted.
[color=#f00]driver "Terminate" timeout (500 ms)  PC: 10000000
Target error from Write Flash: Ef(9). Flash operation aborted.[/color]
[color=#9c6](crt_emu_lpc18_43_nxp) terminating due to request from GDB
JTAG Frequency (Final): 3000 KHz.

[/color]

Any Idea?

Regards,

Olivier

[lpcware]

Content originally posted in LPCWare by mc on Thu May 14 13:04:00 MST 2015
Hi monoliv,
Could you please also set boot jumpers to put device in UART ISP mode? After this setting try to connect.

[lpcware]

Content originally posted in LPCWare by monnoliv on Wed May 13 00:03:13 MST 2015
YES I know this FAQ since a long time as other users I think (working a lot with 1769 before).
How to put the 4337 in the ISP mode: P2_7 low then RESET low then RESET high then P2_7 high. When in ISP mode, I try to debug, no way. Always this message.
Of course I've changed USB cable, LPC-Link board, tried several USB ports on PC, no way.
I think that for whatever reason, the 4337 is dead. How this happened? I don't know. I hope it is a hardware mistake from myself (ESD or whatever). I bought another board and it is ok. Benefit of the doubt, I hope that it is not possible to brick the 4337 with a software/debug mistake.
Also I've another (very bad) remark about the NGX4330 board, I'm going to open a new thread for it.

[lpcware]

Content originally posted in LPCWare by lpcxpresso-support on Mon May 11 08:22:55 MST 2015
Have you read this FAQ?

http://www.lpcware.com/content/faq/lpcxpresso/regaining-debug-access

My guess is that you have put the device into a 'strange' mode.