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Following is a working VHDL code for a D-flip flop with Asynchronous reset. Note that it is using a variable state for it's operation.
architecture var of D_FF is
begin
p0: process(Clock, Reset) is
variable state : std_logic;
begin
if(Reset = '0') then
state := '0';
elsif rising_edge(Clock)...
Actually ebclr i was comparing them with respect to the cost. They both cost the same. I felt that if we can create expansion kits then it would be better to go for DE0. I hope i am right. Since i don't know about differences between FPGA families i did not worry about it. I just compared w.r.t...
Yes ebclr the i/p ports are already occupied. The capacity is also kinda low in basys2. So you think that Quartus is not good as ISE? Please give me a link to this extremely good documentation.
https://unboxnbeyond.wordpress.com/2013/02/25/fpga-starter-kit-comparison-basys2-or-de0-nano/
This...
Thank you yura,
Is this tutorials available in the link posted here by ayhoung? I downloaded the Quartus® II web edition yesterday. I'll look into those tutorials and if you found a free time please post the link to the tutorials here. Moreover since I could not find an easy comparison of two...
Dear All,
Thanx for your generous guidlines. I went for the DE0-Nano.
Why?
Pros:
1. More capacity.
2. More I/O ports.
3. Better clock stabitliy.
4. More RAM.
5. Accelerometer.
6. Cool board debuging software.
7. 8 channel 12bit ADC (Basys2 has no ADC as i see!!! )
Cons of DE0:
1. Very...
Hey guys,
Thanx for the help. Nevertheless i went for the DE0-Nano. Though people say that Altera is not convenient enough i thought of giving it a try.
Why I went for it is the question...
1. Lot's of I/O:
I have 7-segment, ps2 modules with me, and even buttons can be easily soldered. So...
thnx for response ayhong,
so according to what you say the only good thing about basys2 over de0 is the i/p o/p ports (ie: ps2, vga, etc.)? I have gone through the datasheets and what you say is logical capacity wise. even nexys2 has 19K gates which is less than 22K but there should be a reason...
thanx bro,
is 100K thing enough for moderate projects? i don't have any idea right now. But later if i wish to do some not so big not so small project would it be enough? I m hoping to go for 250K Basys 2. Then only i came across this DE0 :\
Guys,
I am about to buy a beginner FPGA kit. I have no experience in FPGA based designs. Therefore i really have no idea about the capacities i need to look for or the other stuff that i need to consider. I have been going through lots of forum posts and found out that Basys2 and DE0 are two...
Hi guys I am designing a Bow-Tie antenna for a GPR. Since the GPR antennas should only radiate in one direction i have to design a back cavity with absorption material in it. But since the cavity acts as a reflector it changes all the S parameters of my antenna. I really don't have any idea on...
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