Dear DR. Mike, There is no signal on CS pin of the Flash. I am really tired working with serial port, I will receive an emulator very soon. I hope it works better. Thank you for your help. Vahid --- In , Mike Rosing <eresrch@e...> wrote: > On Tue, 8 Jul 2003, vahid_meghdadi wrote: > > > I use Analog Device sample project 21k/ez- kits/21065l/demos/plunk that > > works properly using serial port. However, when I generate an ldr > > file and use a FLASH memory (AM29F040B), there seems to be no activity > > (I changed the JP4 to A18 as indicated in the manual). > > Any suggestion as to what could be wrong is very appriciated. > > How does your processor boot normally? If you're booting from flash, > is your program being loaded into the first 256 words? Once you have > reburned the flash, can you reboot with the demo? > > Put a 'scope on the flash CS line and see if it really is being accessed > when you boot. check the boot lines are set for boot from rom. There > are a lot of things that can go wrong, you need to pick them off and > eliminate what isn't the problem before you find out what the real problem > is! > > Patience, persistence, truth, > Dr. mike |