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nvp
Joined: 16 Sep 2003
Posts: 76
Location: EARTH
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 03 Mar 2004 10:39 Please share your experience on 8051 Microcontroller.. |
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Hello Friends,
I am in design with 8051 microcontroller project. It is great if you people share your experience on the same. Any type of do's and don't do's are fine..
Also if possible provide me some usefull materials...
Regards
NVP
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pisoiu
Joined: 31 Dec 2002
Posts: 729
Helped: 24
Location: Romania
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03 Mar 2004 10:45 Re: Please share your experience on 8051 Microcontroller.. |
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Hi,
The experience is huge, as well as the number of materials presented at elektroda, about this subject. Search at e-books download. If you need opinions, you'll have to be more specific. What is your project, what you are trying to realise?
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GeorgeM
Joined: 19 Nov 2003
Posts: 37
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03 Mar 2004 18:37 Re: Please share your experience on 8051 Microcontroller.. |
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Try this site: http://www.8052.com. It has a lot of stuffs.
Ask any questions at its forum
http://www.8052.com/forum
It is professional forum for '51 derivatives.
Regards,
George
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nvp
Joined: 16 Sep 2003
Posts: 76
Location: EARTH
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04 Mar 2004 5:53 Re: Please share your experience on 8051 Microcontroller.. |
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Hi Friend,
I would like to know, which compiler should I use to compile C program for 8051 Microcontroller and how to download the binary code from PC to hardware. If you could explain...it is great...
Regards
NVP
| pisoiu wrote: |
Hi,
The experience is huge, as well as the number of materials presented at elektroda, about this subject. Search at e-books download. If you need opinions, you'll have to be more specific. What is your project, what you are trying to realise? |
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eltonjohn
Joined: 22 Feb 2002
Posts: 1751
Helped: 28
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04 Mar 2004 6:06 Re: Please share your experience on 8051 Microcontroller.. |
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The 51 is now a well established product That means that there is no ABSOLUTE best assambler or C compiler .. Though Keil has emerged like some kind of standard . The 51 is the Cousin .. of the world's first MICROCONTROLLER , the i8031 .. The original core is OLD and slow by today's standarts .. But this appeciation only depends of your current NEEDS .. If your requeriments are few .Not computing intensive
any thing will do .. Ther are 51's today running at 100 mhz and other are SOC ..like triscend's .. It depends of your requirements ..Do you need a standard 51 .Is it for a PROJECT?, or as programing vehicule ? .. Anyways you'll be safe if you go with the KEIL enviroment and on the CPU side .. Cygnal products are well notecing
Last edited by eltonjohn on 07 Mar 2004 20:44; edited 2 times in total |
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efool
Joined: 01 Feb 2004
Posts: 9
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| 05 Mar 2004 16:45 |
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| I think Keil C is good compiler for c language of 8051.
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haerifar
Joined: 02 Feb 2004
Posts: 113
Helped: 1
Location: Iran - Tehran
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| 05 Mar 2004 18:34 |
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there is one compiler exist
this name C51
if you want to have this , send PM .
i can upload this software.
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CMOS
Joined: 06 Jan 2004
Posts: 810
Helped: 39
Location: USA
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07 Mar 2004 19:54 Re: Please share your experience on 8051 Microcontroller.. |
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My experience with 8051 has been excellent. It is a very stable, widely used microcontroller and has been accepted by industry since more than 15 years. New 8051's can run upto 40MHz, so speed is no more a issue with these controllers. New high speed (6 clock) versions are available from Philips and Cygnal.
There are many freeware tools available for this family. Try www.pjrc.com for some cool 8051 projects and development boards with number one open source monitor program called "Paulmon".
Also try this site for more tools on 8051. http://bit.kuas.edu.tw/~8051
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Ajay
Joined: 29 Feb 2004
Posts: 31
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08 Mar 2004 11:37 Re: Please share your experience on 8051 Microcontroller.. |
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We have done over 300 projects with the 8051 and have wealth of information and tools for this. Most of these projects were completed in the 90's.
However, we are NOT using the 8051 core for any NEW design anymore. The main reason for using 8051 in the past that it was at the right price for the right functionality. Now, you can get an ARM7 core with more on chip memory (Philips, Atmel, Oki to name a few) than the 8051. Even the soc available with the 8051 core still have to deal with the 64 kB code barrier (sure there are bank switching codes available but that is a bad fix for a problem which can be solved by using a better chip!!).
If you still want to use the 8051 core, please look at the uPSD chips from ST Microelectronics which come with 256 kB flash, 32 kB RAM and 2 serial ports. Nice design.
About the compilers, I believe the Keil is the best (we have tried plenty of them) but when it comes to 8051, frankly coding in assembly works the best since you are always limited with memory (unless you are doing a small project, in which case, I would strongly recommend the Microchips!!).
Ajay
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nvp
Joined: 16 Sep 2003
Posts: 76
Location: EARTH
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08 Mar 2004 11:57 Re: Please share your experience on 8051 Microcontroller.. |
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| Ajay wrote: |
We have done over 300 projects with the 8051 and have wealth of information and tools for this. Most of these projects were completed in the 90's.
However, we are NOT using the 8051 core for any NEW design anymore. The main reason for using 8051 in the past that it was at the right price for the right functionality. Now, you can get an ARM7 core with more on chip memory (Philips, Atmel, Oki to name a few) than the 8051. Even the soc available with the 8051 core still have to deal with the 64 kB code barrier (sure there are bank switching codes available but that is a bad fix for a problem which can be solved by using a better chip!!).
If you still want to use the 8051 core, please look at the uPSD chips from ST Microelectronics which come with 256 kB flash, 32 kB RAM and 2 serial ports. Nice design.
About the compilers, I believe the ke*il is the best (we have tried plenty of them) but when it comes to 8051, frankly coding in assembly works the best since you are always limited with memory (unless you are doing a small project, in which case, I would strongly recommend the Microchips!!).
Ajay |
Hi Ajay,
It is really nice to see your suggestion. As per my opinion, ARM and its family for high end application. My application is very small. Thatz why I preferred 8051. Off course, as you said, It is well established.
Regards
NVP
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Ajay
Joined: 29 Feb 2004
Posts: 31
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| 08 Mar 2004 13:47 |
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NVP, if your application is small, consider the Microchip solutions. Very cheap (less than $1 for some chips!!) and have the right tools for small code. When the code size starts increasing, the debugging tools available on 8051 are simply too good. Look at Nohau emulators, simply great!
Ajay
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sekafree
Joined: 12 Jun 2001
Posts: 25
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08 Mar 2004 13:53 Re: Please share your experience on 8051 Microcontroller.. |
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Hello,
If you want to try arm 7, there is an excellent evaluation board with color display, ram card reader, sound card, etc.. it is called 'game boy advance' 
You can use gcc or assembly on it.
www.gbadev.org
www.devrs.com/gba
and a lot more...
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Google
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08 Mar 2004 13:53 Ads |
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nvp
Joined: 16 Sep 2003
Posts: 76
Location: EARTH
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| 09 Mar 2004 5:05 |
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| Ajay wrote: |
NVP, if your application is small, consider the Microchip solutions. Very cheap (less than $1 for some chips!!) and have the right tools for small code. When the code size starts increasing, the debugging tools available on 8051 are simply too good. Look at Nohau emulators, simply great!
Ajay |
Hello Ajay,
I agree with you, But in our palce getting the micro chip IC is bit difficult. But I am getting 8051 with out any problem. Also 8051 is one of the good micro-controller. I will do this project in 8051. Later I go for micro-chip.
It is really great help from you....
Regards
NVP.
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dingding123
Joined: 09 Mar 2004
Posts: 6
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| 09 Mar 2004 23:35 |
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What do you want to know? Please show me some questions in detail.Maybe I can do your a favor.
Keil C is best tools for 51 MPU.
Try it!
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ucs4me
Joined: 06 Oct 2004
Posts: 1
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06 Oct 2004 17:01 Re: Please share your experience on 8051 Microcontroller.. |
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I used a copy of the Keil eval compiler. Although it was a pretty user friendly tool, I was turned off by the fact that their free version automatically set my code offset to 4000H. Since I was programming an AT89C2051, this put me outside of the internal memory boundary. I wasn't to happy about that. I turned to the Raisonance RIDE 51 eval package and found it to be just as nice as the Keil offering. I ended up purchasing The Ride51 IDE. I have been quite happy with it ever since.
Those who are evaluating Keil, watch out for this snag!
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mgajo
Joined: 15 May 2001
Posts: 347
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06 Oct 2004 22:19 Re: Please share your experience on 8051 Microcontroller.. |
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Hi
Take a look at
www.wickenhaeuser.com
c51 8k FREE 
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khafaji
Joined: 28 Sep 2004
Posts: 19
Helped: 1
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07 Oct 2004 1:55 Please share your experience on 8051 Microcontroller.. |
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Hello
I think that SDCC is very good program to compile C for 8051. And it is Free. Also try this:
http://www.eo-tek.com/8051 microcontrollers/index.htm
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tutx
Joined: 04 Mar 2004
Posts: 152
Helped: 16
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ME
Joined: 14 Mar 2002
Posts: 1523
Helped: 13
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| 07 Oct 2004 13:13 |
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| nvp wrote: |
| Ajay wrote: |
NVP, if your application is small, consider the Microchip solutions. Very cheap (less than $1 for some chips!!) and have the right tools for small code. When the code size starts increasing, the debugging tools available on 8051 are simply too good. Look at Nohau emulators, simply great!
Ajay |
Hello Ajay,
I agree with you, But in our palce getting the micro chip IC is bit difficult. But I am getting 8051 with out any problem. Also 8051 is one of the good micro-controller. I will do this project in 8051. Later I go for micro-chip.
It is really great help from you....
Regards
NVP. |
If you have access to Atmel AVR, you should also consider this MCU, they are sligthly cheaper than PIC and more powerful.
Some of them are even pin for pin compatible with 8051 except that the reset pin is inverted.
TI MSP430 could also be an optin, but they don't make small 8 pin devices like AVR and PIC and can't run at 5 V.
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M!k
Joined: 22 Apr 2002
Posts: 871
Helped: 79
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07 Oct 2004 13:27 Re: Please share your experience on 8051 Microcontroller.. |
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| mgajo wrote: |
Hi
Take a look at
www.wickenhaeuser.com
c51 8k FREE |
ever tried to compile these 8kB? I did it and it took several minutes for that job. I've never seen a slower compiler.
Mik
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EricP
Joined: 14 Oct 2004
Posts: 1
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14 Oct 2004 14:19 Re: Please share your experience on 8051 Microcontroller.. |
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| tutx wrote: |
In my opinion, this is the best !
[url]h**p://www.fsinc.com/devtools/products/DS-PRV.htm[/url] |
This was developed by Raisonance and Franklin does not sell anymore, but Raisonance still exists. The new environment is called RIDE see http://www.raisonance.com/products/info/RIDE.php 
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TRUNGDPHAN
Joined: 01 Jul 2004
Posts: 32
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25 Oct 2004 17:03 Re: Please share your experience on 8051 Microcontroller.. |
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| You should study hardware carefully and use C-Compiler for Microcontroller to develope your project to save time.
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Ruud
Joined: 19 Nov 2004
Posts: 1
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19 Nov 2004 15:51 Re: Please share your experience on 8051 Microcontroller.. |
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I wonder if anyone can compare the ARM and the 8051 in terms of code size.
If I compile the same program for both processors, which processor will get the biggest object code???
Ruud
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