Anyone used these before? or any other arm chip. I have ordered one and started to layout my pcb in eagle (just the chip, power and crystal so far). I will be etching the pcb properly this time, although I will try to be unique with how I get the etch resist on there... but there is a laser printer I can use if that fails. Im going to have a nokia 6610 colour lcd in a few days (which uses SPI). I would also like to play with the wolfson 8721 chip from my dead rio karma however thats probably beyond my programming ability. I have a lot of reading to do. I never though these chips were so compicated... I thought pics were difficult to understand, but I should be a lot better in C. Im going to try making the cable shown here (second one down) http://wiki.openwrt.org/OpenWrtDocs/Customizing/Hardware/JTAG_Cable Any information on programming (diy jtag cables, software etc..) would help me a lot. I would like to know whats inside the olimex parelell port cable since sparkfun are out of stock :/ taylec dont have them either. Also I know the phillips lpc21xx chips have a bootloader preinstalled (and jtag doesnt work), but I think I read the STR also has a bootloader? I cant find this in the refernce manual or datasheets though :/ My pc doesnt have a parrelell port either, but I have access to one that does.. it would be nice not to need it.
I've used at lot of ARM devices before, but not DIY - so using Codewarrior (now Keil...) and ULINK2 JTAG Adapter. I've never seen a device that has the bootloader on it from the factory - this is something that is normally programmed by you so that the bootloader works from the peripheral you want.
Stuff arrived. I didnt quite realise how small a LQFP144 chip is :/ Having some problems finding a suitable component in eagle with the package lqfp144... any ideas? Im now trying to make the component in eagle, Ive done the package, but when I place pins for the symbol, I get an error "symbol already in use!"
