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Author Topic: Is 8051 available in SMD  (Read 2710 times)
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junaid_766
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« on: September 27, 2008, 10:06:02 10:06 »

Is 8051 available in SMD. If someone knows of a website selling it please post it in this forum
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hagen
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« Reply #1 on: September 27, 2008, 05:17:01 17:17 »

Have a look at

http://www.keil.com/dd/search_parm.asp

Enter the required minimum specs (e.g. 8051 127 byte RAM, 8k ROM, 5 Volt supply, 2 timer) and you get a pretty overview about the available chips
including the their packages.

By the way: There are some issues converting a circuit from original 8051
(NMos) to CMos.
Note that in the NMOS devices (8051, etc.) the signal at the XTAL2 pin
actually drives the internal clock generator. In the CMOS devices (80C51,
etc.), the signal at the XTAL1 pin drives the internal clock generator.

Hope this helps

hagen
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quakeman
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« Reply #2 on: September 28, 2008, 11:08:18 11:08 »

From NXP the LPC900 Series are available in SMD packages. These Controllers are quite cheap and powerfull. They are 8051 compatible but with many speed enhancements compared to the original 8051 architecture.
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bugmike25
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« Reply #3 on: September 29, 2008, 01:46:53 13:46 »

Every manufacturer produces 8051 family microcontrollers on SMD. NXP, ST, ATMEL, Maxim etc.  Browse their site for more information.
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xxtigerxx
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« Reply #4 on: September 29, 2008, 03:35:58 15:35 »

yes a lot of manufacturer but mainly NXP(P89C51RXX),ATMEL (ATP89C51RXX)
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junaid_766
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« Reply #5 on: October 05, 2008, 08:36:18 08:36 »

does anyone have proteus library which include LPC900 Series simulatable model
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payaimen
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« Reply #6 on: November 28, 2008, 02:20:53 14:20 »

u can see it's site for more information.
i find a fully data for avr micro
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ali_asadzadeh
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« Reply #7 on: January 15, 2009, 12:38:57 12:38 »

you can use atmel models like at89S52 ,at89S51,at89c2051,at89c4051 all of them have smd package.
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ashu.spect
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« Reply #8 on: January 23, 2009, 05:44:02 05:44 »

try Silabs.com

Ashu
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charnyutk
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« Reply #9 on: February 16, 2009, 03:34:15 15:34 »

Did you ever search in digikey? please try it.
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myheadhurts
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« Reply #10 on: March 01, 2009, 05:36:53 17:36 »

It wont be too long now until the question becomes "are the any 8051/avr/pic in dip's"..
I dont know of any manufacturer that doesnt include smd in their packages.So long as they dont all end up as mlp or bga ,the homebrew guys will be okay..
Rob.
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pak
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« Reply #11 on: March 22, 2009, 03:30:21 03:30 »

In my personal view, try on C8051Cxxx from SiLab, this is very cold board I like, it's USB toolstick and no need to wary about debugger all are built-in. It is enhanced with ADC, Temp Sensor, PWM and more.

https://www.silabs.com/products/mcu/Pages/ToolStick.aspx
http://www.cygnal.co.kr/counter/counter.htm

For those who want to try on LPC9xx series, take a look following site before trying, regarding about ISP (flashing) problem, I mean programming with special precaution and care.

http://forum.flashmagictool.com/index.php?topic=3273.0


But, finally, I find that every 8051 MCU have at least one major weak point , debugger and other such as LPC9xx -> ISP problem, C8051F005 -> System clock selection and AC noise problems, AT89S53 -> lack of enhanced features

pak

Cheesy Happy Microcontroller Programming  Cheesy
« Last Edit: March 22, 2009, 03:44:48 03:44 by pak » Logged
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