Hi One of the more interesting uses for something like a Cyclone V would be a front end board to drive a KS-24361 from an ensemble of sources. That’s what David Allan’s original idea was when he started the whole software empire that turned into the Z3801 and all the rest.
Bob > On Nov 8, 2014, at 8:36 PM, Bert Kehren via time-nuts <[email protected]> > wrote: > > We do most our projects with Altera G/A. > The biggest benefit is that if something does not work on first pass > changing the G/A logic is much faster, less costly than a new board layout. > Bert Kehren > > > In a message dated 11/8/2014 6:17:29 P.M. Eastern Standard Time, > [email protected] writes: > > Hi > > I’ve done a lot of designs with Altera parts. They are fine parts, but > they are not magic. On the CPLD parts, be careful of the speed grade and be > sure you do a timing analysis on your design before you buy any hardware. > All > the design tools are schematic entry capable and free on the web. There’s > not a big speed bump when you start using them (like say needing to go > learn VHDL…). > > Once you get using them, the CPLD's are quite handy for a wide range of > projects, way beyond a simple divide by 5. Their bigger cousins (the FPGA’s) > aren’t that much more (under $35) and they will do a LOT, especially in the > newer series. The Cyclone 2’s had a minimum rated PLL input of 20(?) MHz. > The later parts bumped that down to 10 MHz. Much more TimeNuts compatible. > > Bob > >> On Nov 8, 2014, at 5:58 PM, cfo <[email protected]> wrote: >> >> On Sat, 08 Nov 2014 09:58:36 +0100, Francesco Messineo wrote: >> >>> >>> can anyone suggest a (cheap if possible) programmer and software for >>> these modern PLD? >>> >>> Thanks and best regards Frank IZ8DWF >> >> I'd suggest ALTERA parts , but only because they are the cheapest boards >> on *bay , XILINX boards are 2 x the Altera price on *Bay. >> >> An EPM240 CPLD Board $9 (240 cells let you do quite a lot) >> http://tinyurl.com/qcusb69 >> >> There's also an EPM-570 Board , but the price is almost the same as the >> below FPGA , and then the FPGA is the thing to get. >> >> >> A CycloneII EP2C5T144 FPGA board (With 2 onbard PLL's) $18 - Super value >> for the money >> http://tinyurl.com/pd326ct >> >> An ALTERA Programmer $6 >> http://tinyurl.com/po2qhq2 >> >> >> The only caveat is that they are NOT 5v tolerant , they can do 3v3 or >> less. >> >> >> ALTERA has the free QuartusII WEB Edition , and it works fine under both >> Windows & Linux (i'm using Mint17 x64 ... Ubuntu 14.04 based "under the >> hood") >> >> I am a VHDL beginner , and completed this (free) course s few month back >> >> Course >> http://tinyurl.com/per8lm5 >> >> Forum >> http://tinyurl.com/pw3b9bv >> >> >> I have just did a divide by 5 with the EP2C5T144 FPGA board , using one >> of the PLL's. I did use so few resources, that it reported 0% of the > 4608 >> Cells utilized, and 1 of 2 PLL's used. >> >> *********** SNIP ************* >> Fitter Status Successful - Sat Nov 8 23:11:59 2014 >> Quartus II 64-Bit Version 13.0.1 Build 232 06/12/2013 SP 1 SJ Web >> Edition >> Revision Name div5pll >> Top-level Entity Name div5pll >> Family Cyclone II >> Device EP2C5T144C8 >> Timing Models Final >> Total logic elements 0 / 4,608 ( 0 % ) >> Total combinational functions 0 / 4,608 ( 0 % ) >> Dedicated logic registers 0 / 4,608 ( 0 % ) >> Total registers 0 >> Total pins 6 / 89 ( 7 % ) >> Total virtual pins 0 >> Total memory bits 0 / 119,808 ( 0 % ) >> Embedded Multiplier 9-bit elements 0 / 26 ( 0 % ) >> Total PLLs 1 / 2 ( 50 % ) >> *********** SNIP ************* >> >> Actually i like Xilinx ISE WebPack better , but the cheap > *Bay/Aliexpress >> boards are ALTERA Boards , so i have both tools installed on my linux >> machine. >> >> >> If you don't feel like learning VHDL or Verilog , you can do the layout >> in "Schematic". ALTERA QuartusII does have an extensive 74xx lib built > in >> the schematic engine. >> >> See my ansver to assignment 10 , for a QuartusII schematic entry of a > 50M >> divider. Using use 4 x HC390 dividers in a divide : 100 / 100 / 100 / 50 >> configuration. >> http://tinyurl.com/ntdkcst >> >> >> Be sure to get these versions of the tools , as both have upgraded their >> tools , and the new tools doesn't support the older (cheaper chips). >> >> Altera QuartusII : Version 13.0sp1 (13.1+ doesn't suport the old > CPLD's) >> Xilinx ISE : Version 14.7 (Vivado doesn't support the old stuff) >> >> >> I suggest to try it out , you can do a lot of logic in a 240 Cell CPLD , > >> and MUCH more in the FPGA. >> >> The 4 x HC390 used 16% of the EPM240 logic , and it is less than 1% in >> the FPGA. As seen below. >> >> *********** SNIP *************** >> Flow Status Successful - Sat Nov 8 23:56:46 2014 >> Quartus II 64-Bit Version 13.0.1 Build 232 06/12/2013 SP 1 SJ Web >> Edition >> Revision Name lesson10d >> Top-level Entity Name lesson10d >> Family Cyclone II >> Device EP2C5T144C8 >> Timing Models Final >> Total logic elements 39 / 4,608 ( < 1 % ) >> Total combinational functions 39 / 4,608 ( < 1 % ) >> Dedicated logic registers 31 / 4,608 ( < 1 % ) >> Total registers 31 >> Total pins 3 / 89 ( 3 % ) >> Total virtual pins 0 >> Total memory bits 0 / 119,808 ( 0 % ) >> Embedded Multiplier 9-bit elements 0 / 26 ( 0 % ) >> Total PLLs 0 / 2 ( 0 % ) >> *********** SNIP *************** >> >> >> CFO - Denmark >> >> -- >> E-mail:[email protected] >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
