Discussion in "8051 Discussion Forum" started by    shawn    Oct 8, 2007.
Mon Oct 08 2007, 06:57 AM

I just bought a AT89C2051 MicroController and can't seem to find a programmer that supports it. I"ve tried Keil Uvision3, Flip (all versions), and WinISP. If anyone know a program that works fairly well with this microcontroller, also versions, that would be a great help.

Thank you.
Mon Oct 08 2007, 07:58 AM
AT89C2051 is not an ISP so FLIP or winISP will not support it.
here are some programmers which are often used for the programming...

Hardware: http://www.kmitl.ac.th/~kswichit%20/easy1/easy.htm
Software: http://www.kmitl.ac.th/~kswichit%20/ez4/ez4.html
PCB: http://www.kmitl.ac.th/~kswichit%20/easy1puiu/easyp12.htm

Just try google and look for AT89C2051 Programmer. you will get many of them
Tags AT89C2051 programmer
Tue Oct 09 2007, 02:25 AM
I have tried EZdownloader(all versions) but the ports available is limited. The only options for the earlier version is port 1-4, but the port my serial is on is port 9. Version 4 has a search option, but yet it doesn't detect it. I"m using an RS-232 to USB, so the USB is acting as a serial port.
I've already googled for programmers, but have found none that works.
If anyone know of another one, or maybe something with EZ downloader that I don't now about,
Please let me know.

Thank you,
Tue Oct 09 2007, 10:59 AM
talk to the guy who created the software tell him about your problem and ask for the source code. I think they are using Borland Delphi for making the softwares... or ask for notes on how to make this loader software in VB. so i can help you with it..

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Sat Oct 12 2019, 10:23 PM
Log in.. then post your code in the 8051 forum
Sat Oct 12 2019, 10:18 AM
Bhadra Sajikumar
i am doing a countdown timer with 8051 for my project, unfortunately our professor had to take a leave of absence before he could teach us most of it.. can someone explain the .asm code of it for me?
Mon Sep 23 2019, 07:37 AM
I am doing a project for my schools wireless security system with cameras,sensors and spot lights using 8051 micro controller, could you help me out with the design and its source code.
Wed Sep 18 2019, 08:48 PM
Caryn Kover
Thank you for your time,
Mon Aug 05 2019, 07:09 PM
@Ismail ..post in forum, give details
Mon Aug 05 2019, 04:33 PM
Ismail balghmi
Hello. Please I won't download
Wed Jul 24 2019, 12:47 AM
@BUSTER123 Please post in the forum
Tue Jul 23 2019, 06:13 PM
hello! newbie here. i am kind of a guy who hates using ready - made existing libraries, so this helped a lot as i was trying to control and write to a character lcd display. however, i can't figure out how to set the cursor position. for example, i want to set it to the 5th column in the first row, so position 5. so according to the table, i am sending 10000101 on the 8 data lines of the lcd (register select pulled low). the cursor does not move there however. and i cant move the cursor left or right too. is it something wrong that i am doing? thank you.
Thu Jul 11 2019, 07:55 PM
@ramos https://www.theengineeringprojects.com/2017/09/l298-motor-driver-library-proteus.html
Thu Jul 11 2019, 07:44 PM
@praveen123. Can you give a link to the project ?



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