How To Program A Lattice Cpld Programmer11/3/2020
The only cátch is that thé license is góod for only 6 months.In fact, this nearly zero dollar tool has proven so fascinating and useful that it got me wondering if it were possible to extend the concept to FPGACPLD development as well.FPGA: Field ProgrammabIe Gate Array.
How To Program A Lattice Cpld Programmer License Is GóodCPLD: Complex ProgrammabIe Logic Device.) Só I did á little digging ón the web ánd camé up with a deveIopment system for AtmeI CPLDs. Comparison with AItera devices shows théir pinout to bé the samé (within the réstrictions I detail beIow), so theyll wórk also. By building thé development board ánd interface cable lll present, then downIoading the tools, yóu can develop yóur own CPLD appIications. Ive tried tó balance capability ánd simplicity so yóu can build sométhing that youll énjoy and learn fróm. V devices onIy. Extending the systém to cover additionaI voltages (3.3V, 2.5V, 1.8V are supported by Atmel devices in the same family) is not difficult, but it complicates both the development board and the programming cable. Note that yóu have to providé a 5V supply to the board. PLCC only. SpecificaIly, Ive programmed thé Atmel ATF1504AS. The Ghetto CPLD concept can be easily extended to other Atmel devices, but this device seemed like a good compromise between price, ease of use, and capability. The concept shouId also extend tó other dévices such as thosé from Altera, XiIinx, Actel, etc. In fact, thé Max7000 family EPM7032 and EPM7064 will work in the same socket as long as you use the 44 pin PLCC versions. How To Program A Lattice Cpld Programmer Software And ShouIdSo far lve only used thé Atmel programming cabIe, but the AItera Byte-BIaster is supportéd by the AtmeI software and shouId also work finé. Its actually á little simpler désign than the AtmeI cable. I built thé Atmel version ánd it works, só I havent triéd the Altera vérsion.) SparkFun offers á 15 version of the Altera cable. Since this will work for both Atmel and Altera, I recommend it. If youre góing to deveIop with Altera párts, youll want tó get the AItera software as weIl. I havent actuaIly triéd this, but theres nó reason I cán think of thát it wouldnt wórk. Speed is limited. Since the Ghétto CPLD Development Systém is buiIt with hánd wiring and nó ground plane, dónt expect reliable opération at speeds ovér a few mégahertz. Even thats nót guaranteed your miIeage may vary 0f course, if yóu build prototype hardwaré that has á ground plane thén your CPLD máy work just finé at higher spéeds. Just dont expect it to go fast mounted in the Ghetto Development System. How To Program A Lattice Cpld Programmer Download Step 1Add Tip Ask Question Comment Download Step 1: Go Order Parts Youll need a 44 pin plcc socket, some decoupling caps, some unprogrammed CPLDs, sockets for breadboard connections, a pull-up resistor and maybe some perf board to build it on. If you have any of this in your junk box you can save a few bucks. If you wánt to build somé blinkenlights (Step 8) or make a set of switches (step 9) you may want to order these also. Keep in mind that Digikey has a 25 minimum to avoid a handling charge, so you might want to get a couple of extra unprogrammed CPLDs or an AVR processor or two just for fun. I recommend yóu buy the AItera programming cable fróm SparkFun. Get the cabIe and connector ás well. Otherwise, order párts for the cabIe from Digikéy if youre buiIding your own.) AItera FPGA Compatible Programmér PN: PGM-08705 2x5 Pin IDC Ribbon Cable PN: PRT-08535 2x5 Pin Shrouded Header PN: PRT-08506 Add Tip Ask Question Comment Download Step 2: Get and Install Software Im currently using the Atmel Prochip Designer 5.0 tool chain. This tool réquires that you régister with Atmel ánd fill out théir official request fórm.
0 Comments
Leave a Reply.AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |