-1
votes
2answers
130 views

Need Quartis II CPLD tutorial for learning VHDL from ZERO [closed]

I am learning VHDL from zero using Altera CPLD. Already got Quartis II 12.1 and a 15-lines example VHDL (like Hello World for C learner). To avoid learning bad coding style or digging too deep too ...
4
votes
1answer
131 views

CAN controller in a CPLD

As I cannot manage to find it done on internet, I wonder if it is possible to program a CAN controller in a CPLD ? It's look like it is going to require a least an FPGA.
1
vote
2answers
736 views

adc-fpga interface guidelines for vhdl

I want to interface 3 separate ADS8548 ADC with XC3S200AN fpga. The fpga masters the control lines of the ADCs and it also acquires the digital data from the ADCs through parallel bus. I will have ...
9
votes
2answers
581 views

What happens when an FPGA is powered on and left unconfigured?

I am trying to get a general understanding on what happens if you leave an FPGA unprogrammed for a long duration of time. Suppose you have an FPGA and you leave it unprogrammed for a long period of ...
7
votes
4answers
1k views

Are there any Analog FPGAs?

As I understand it FPGAs are flexible "digital" circuits, that let you design and build and rebuild a digital circuit. It might sound naive or silly but I was wondering if there are FPGAs or other ...
3
votes
2answers
654 views

When is a FPGA preferred instead of a CPLD, and vice versa?

I am starting out with programmable logic, and I am mostly using schematic entry. (Hey, I like to see the schematic instead of VHDL/VERILOG :P) I have been using a Xilinx CPLD originally that had 128 ...
3
votes
3answers
376 views

FPGAs or CPLDs for “Glue Logic” and Video/LCD Capabilities

Some of you may remember I posted a question in which it was suggested that I use CPLDs instead of a large number of multiplexers. Here is the question, for reference. However, as I read and learn ...