Xilinx ChipScope Tutorial

Using the ChipScope Pro for Testing HDL Designs on FPGAs

Introduction:

Simulation based method is widely used for debugging the FPGA design on computers. Time required for simulating complex design for all possible test cases becomes prohibitively large and simulation approach fails. For rapid testing, such designs can be loaded on to the target FPGAs and tested by applying test inputs and directly observing their outputs. As the complexity of the design under test increases, so does the impracticality of attaching test equipment probes to these devices under test. The ChipScope Pro tools integrate key logic analyzer and other test and measurement hardware components with the target design inside the FPGA. Computer based software tool communicate with these hardware components and provide a designer robust logic analyzer solution.

In this tutorial we will use simple UP counter design and test it using ChipScope.

You can download the PDF file of this tutorial from here.

Products

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EAGLE Library – List of most commonly used electronics components

12 Nov 2009 – Post Updated

EAGLE is preferred by many hobbyists and professionals all over the world. EAGLE comes with huge component library, however to find the desired part in this library is really difficult for beginners. Generally we need resistors, capacitors, voltage regulators, pin headers, connectors, etc when designing any electronic PCB. Following is the list of EAGLE library part names of most commonly used electronics components. This list will be very handy when you have just started using the EAGLE and don’t know which part to select and from which library.

Component prices at Lamington Road – Mumbai

Last Updated on                     : 19 FEB 2009

Note : These are rough prices for purchasing components in RETAIL. Though I will try to keep them updated, actual prices might be different and might vary from shop to shop. Prices are provided only to get an idea of your project expenses.

Enjoy ….

Notes : Digital Logic Design : Flip Flops and Counters

These are digital logic design notes, which I had prepared in my 4th semester. Notes covers following topics :

- Flip Flops, state tables, excitation tables, state diagrams
- Conversion of one FF to another FF
- Synchronous and Asynchronous counter design
- Synchronous and Asynchronous counter analysis

You will find them useful for last day revision.

Download Link :

http://www.megaupload.com/?d=OWVRATOV

Anode and Cathode of LED !

Updated on : 31 dec 2008

How you can determine anode and cathode of LED. I know its tooooo trivial but still …

Most common method

When you purchase an LED … longer leg is anode while shorter leg is cathode. What if you have cut the two leads to same length ?? read on …

How to make simple Infrared Sensor Modules

Overview :

In this tutorial we will see how to make simple infrared sensor module for detecting reflecting surface. This sensor can be used to detect reflecting silver/white strip, obstacle detection, flame detection, etc. These sensors are primary requirement of any simple line follower robo-car.

Component Catalogue – Cirkit Electronics, Lamington Road

Last week I had been to cirkit electronics for purchasing some AVRs. I got this catalogue from them. All components listed in catalogue are available in RETAIL/BULK at cirkit. Hope … it will reduce headache related to availability of components !

Servo Electronics – Motors catalogue

I had been to servo electronics recently. This is the handout I got from there. It has information about different types of motors available at Servo Electronics. Good reference …..

Make Your Own Power Supply !!

Power supply is foremost important thing for any electronic hobbyist. Making one variable voltage power supply at home is extremely simple. You need just few components and one pretty nice transformer which can wholeheartedly supply enough current for your needs while staying cool !!.

LIST OF COMPONENTS :

1)Transformer	0-18 Volt, 1 Amp [ alternative: 9-0-9, 1Amp]	1
2)LM317 – variable voltage regulator	1.5A (TO-220 package)	1
3)Diodes	1N5408 1N4007	4 2
3)Capacitors	2200µF(or more),50V(or more) 470µF,50V(or more) 10µF,50V(or more)	1 2 1
4)Resistor	220E, 1/4 W	1
5)Pot	D25 Male	1
6)Grid PCB	3″ x 3″(approx)
7)Connecting wires	-	-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CIRCUIT DIAGRAM :

NOTES :

• Do not use transformer with output more than 0-18 V (or 9-0-9), because their no load voltage goes upto 22-28V depending upon manufacturer. If you use higher o/p voltage transformer (say 0-24) its no load voltage may reach to 35-40V, which will damage LM317, once LM317 gets damaged, it will short i/p to o/p and full voltage will get connected to your circuit under test, thereby ruining the circuit.
• C1 should be as large as possible to get very good power supply ripple rejection.
• C2 and R2 should be soldered as close as possible to LM317· Heat sink is recommended for LM317.
• Try to obtain transformers current rating which is at least 1.5 times your maximum requirement. If u drive transformer considerably long time at its maximum rating it will become quite hot.
• Use plastic tape to properly cover AC mains and transformer connection. Slight carelessness here would lead to a nasty shock.