02 Failed on connect

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02 Failed on connect

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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by terrype on Tue Aug 19 19:50:28 MST 2014
Dear Team,
I am using LPC1769 expresso board and the based board from embedded artists.  Board was working fine until yesterday and suddenly stop working. I can't download any program and show me the meassge that
cannot find selected MEM-AP(check target power)
Emu(0): Conn&Reset, was; None, DpID: 2BA01477.Info HID64HS12
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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by terrype on Thu Aug 21 18:40:27 MST 2014
yes, it is working again. Thanks
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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by LabRat on Thu Aug 21 18:37:27 MST 2014
So it's working again now?
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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by terrype on Thu Aug 21 18:31:41 MST 2014
Thanks mate,  it is not a power problem
1. setup ISP boot mode
2. Press and hold SW3
3. Press and released Reset
4. Release SW3

try ,  if it it is not working then check the soldering and connection of SW3 and the best way
1. solder the wire on LPCexpress board P2.10(ISP) pin
2. Solder wire to VCC
3, Solder wire to Gnd

repeate the above procedure using ISP, VCC and gnd
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lpcware
NXP Employee
NXP Employee
Content originally posted in LPCWare by lpcxpresso-support on Wed Aug 20 02:00:22 MST 2014
So have you checked power? In particular note that you need to provide power to the baseboard directly, not just rely on the power from the USB debug connection to the LPCXpresso1769 board. For more details, check the documentation for the baseboard available from the Embedded Artists website.

You might also need to recover your board, depending upon what code you just programmed into it : http://www.lpcware.com/content/faq/lpcxpresso/regaining-debug-access

Also check through the other relelated FAQs, including those at:
http://www.lpcware.com/faq/debug-errors

Regards,
LPCXpresso Support
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