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| Micro Controllers Discuss all aspects of micro controllers - building them, coding them, etc. All controllers are welcome - PIC, BASIC, Z8 Encore!, etc. |
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20th August 2007, 06:00 PM
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 Need to find AT89S52 Programmer schematic diagram... previously i did asked for help on finding the AT89C52 programmer but most of you guys said its programmer is not that reliable... so i decide to change to AT89S52 and now I need to find and know how to construct the schematic diagram of the programmer 1st.. Hope someone can help.. thanks!!! | |
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21st August 2007, 03:37 AM
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21st August 2007, 05:27 AM
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| Y there is still At89c52 in the schematic diagram of the at89s52 programmer? Where in the schematic shud i connect my comp port to? | |
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21st August 2007, 05:40 AM
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| You better read this thread. http://www.electro-tech-online.com/m...1-at89c51.html RS232 is the place you need to connect to the COM port. | |
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21st August 2007, 06:35 AM
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It's not on the schematic  Problem with that schematic is that you need to program one "AT89C" chip  | ||
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21st August 2007, 07:56 AM
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it is not question of reliability-- you will be spending a lot in purchasing normal type programmer- while in system programming ( ISP ) possible in later version i.e., 89s52 and the type of programmer can be assembled by anyone, -i made one in just 20 minutes and used it. costs practically nothing. we don,t need ZIF etc unless the volume of work is too large-- ten ofcourse- you would have purchesd a ready made one. for hobby and for vey small numbers, and dot-board assembled type will just serve. see the one at www.ikalogic.com/isp.php Sarma Last edited by mvs sarma; 21st August 2007 at 07:59 AM. | ||
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21st August 2007, 09:44 AM
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 hi... chunei... what i gave you three programmers in previous thread.. all are for AT89s51/52 ... out of three .. i would acknowledge GAYAN SOYZA.. gave me one out of that three... Regrads, Simran.. 
__________________ Simran.. 8051 Specialist.. | |
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