The wiggler I am using a cloned one. RTCK(24) is pulled down using 4.7K resistor, TRST(20) is pulled high by 4.7K. 16MHz and 32.768KHz crystals are connected properly. Sudip Leon Heller <leon.heller@leon...> wrote: ----- Original Message ----- From: "sudipnag1" <sudipnag1@sudi...> To: <lpc2000@lpc2...> Sent: Friday, April 22, 2005 3:22 PM Subject: [lpc2000] JTAG Programming for LPC2138 > > > I have tried to program a fresh/new LPC2138 using Wiggler and Cross > Studio 1.4. After creating a new project and copying a sample program > I have built the code. But unable to initialize JTAG port (The message > is "Cannot identify target. Check JTAG connections and that the > target is powered". The chip was powered and JTAG connection was > correct. What may be the possible reason for this?? Is it a genuine Macraigor Wiggler, or a clone? Leon -- Leon Heller, G1HSM http://webspace.webring.com/people/jl/leon_heller/ --------------------------------- Yahoo! Groups Links To Yahoo! India Matrimony: Find your life partneronline.

An Engineer's Guide to the LPC2100 Series

----- Original Message ----- From: "sudipnag1" <sudipnag1@sudi...> To: <lpc2000@lpc2...> Sent: Friday, April 22, 2005 3:22 PM Subject: [lpc2000] JTAG Programming for LPC2138 > > > I have tried to program a fresh/new LPC2138 using Wiggler and Cross > Studio 1.4. After creating a new project and copying a sample program > I have built the code. But unable to initialize JTAG port (The message > is "Cannot identify target. Check JTAG connections and that the > target is powered". The chip was powered and JTAG connection was > correct. What may be the possible reason for this?? Is it a genuine Macraigor Wiggler, or a clone? Leon -- Leon Heller, G1HSM http://webspace.webring.com/people/jl/leon_heller/

I have tried to program a fresh/new LPC2138 using Wiggler and Cross Studio 1.4. After creating a new project and copying a sample program I have built the code. But unable to initialize JTAG port (The message is "Cannot identify target. Check JTAG connections and that the target is powered". The chip was powered and JTAG connection was correct. What may be the possible reason for this?? Sudip