SWD/Jtag communication failure

Discussion created by lpcware Employee on Jun 15, 2016
Latest reply on Jun 15, 2016 by lpcware
Content originally posted in LPCWare by h.lotfi on Tue Sep 23 02:05:58 MST 2014
i Design a board with LPC4357, and i Program it.
after about 30times programing i have a error in programing!!!
Keil unknown my programmer!!
i use ulink2 and keil Version4.72
now when i want program my board ,i get this error:
in jtag mode: Jtag communication failure
in SW mode: SWD communication failure

any body can offer me?

thank you in advance