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Which is the cheapest microcontroller or PIC available.

N

nikhilele

Jan 1, 1970
0
I want to make a ckt which can we can forget after installing.
I am looking for cheap microcontroller one which we have stock is
89c2051 it is around 0.6$ for single quantity.
i am not interested in OTP.
i want to program one by one.
 
L

Luhan

Jan 1, 1970
0
nikhilele said:
I want to make a ckt which can we can forget after installing.
I am looking for cheap microcontroller one which we have stock is
89c2051 it is around 0.6$ for single quantity.
i am not interested in OTP.
i want to program one by one

I show a price of $1.60 each for 89C2051 from Mouser. The cheapest
micro I know of is a PIC10F200I/P costing 53 cents in quantity one.

Luhan
 
P

Paul Hovnanian P.E.

Jan 1, 1970
0
nikhilele said:
I want to make a ckt which can we can forget after installing.
I am looking for cheap microcontroller one which we have stock is
89c2051 it is around 0.6$ for single quantity.
i am not interested in OTP.
i want to program one by one.

What are the development tools going to cost you?
 
B

Brian

Jan 1, 1970
0
Luhan said:
I show a price of $1.60 each for 89C2051 from Mouser. The cheapest
micro I know of is a PIC10F200I/P costing 53 cents in quantity one.

Luhan

I thought the ATTiny11 was cheapest, but finding a programmer to use is
impossible unless you want to build it.

Where is the PIC10 that cheap? Not at Digikey....
 
F

Fritz Schlunder

Jan 1, 1970
0
Brian said:
I thought the ATTiny11 was cheapest, but finding a programmer to use is
impossible unless you want to build it.

Where is the PIC10 that cheap? Not at Digikey....


Mouser sells the PIC10F200 (Industrial temp range, -40 deg C to +85 deg C)
for $0.49 in single unit. Microchip direct
(http://www.microchipdirect.com/) also sells the PIC10F200 for $0.49 in
single unit quantity.
 
P

Pooh Bear

Jan 1, 1970
0
nikhilele said:
I want to make a ckt which can we can forget after installing.
I am looking for cheap microcontroller one which we have stock is
89c2051 it is around 0.6$ for single quantity.
i am not interested in OTP.
i want to program one by one.

That;'s what you do with OTP ! Jesus H Christ !!!

Graham
 
P

petrus bitbyter

Jan 1, 1970
0
Paul Hovnanian P.E. said:
What are the development tools going to cost you?


Microchips developement software is free. A programmer can be build quite
easily. See:
http://www.oshonsoft.com/picprog.html
for one of the zillion possibilities.
Don't know whether the programming software for PIC10F200 is available
already.
Last time I checked out it wasn't so I wrote my own software. Programming
specifications can be found on Microchips site.

petrus bitbyter
 
petrus said:
Microchips developement software is free. A programmer can be build quite
easily. See:
http://www.oshonsoft.com/picprog.html
for one of the zillion possibilities.
Don't know whether the programming software for PIC10F200 is available
already.
Last time I checked out it wasn't so I wrote my own software. Programming
specifications can be found on Microchips site.

petrus bitbyter

building programmers and rewriting there own programming
software,yikes, why is everyone reinventing the wheel over and over and
over again, doesn't anyone reuse anything anymore, maybe I should join
the club and build a foundry and make my own chips
 
building programmers and rewriting there own programming
software,yikes, why is everyone reinventing the wheel over and over and
over again, doesn't anyone reuse anything anymore, maybe I should join
the club and build a foundry and make my own chips

Maybe sellers of said programmers don't listen to what customers need and thus
they build it themselfes..
 
L

Luhan

Jan 1, 1970
0
Maybe sellers of said programmers don't listen to what customers need and thus
they build it themselfes..

Hey, I made my own 8048 programmer years ago. Now I'm into PIC's and
made my own. Hell, its just another PIC project. My unit...

Uses the com port and communicates in 15200 baud serial.

Can take its 5 volts directly from the target device.

Makes its own 12 volts using an onboard voltage multiplier.

Has 4 status LED's that show power and programming status.

Can receive live debug output from the target while it is running.

Has an integrated simulator program.

Can be easily updated for new devices.

Also programs serial I2C eeproms.

Can be modified to accomodate future needs.


Luhan "Hacker" Monat
 
P

petrus bitbyter

Jan 1, 1970
0
building programmers and rewriting there own programming
software,yikes, why is everyone reinventing the wheel over and over and
over again, doesn't anyone reuse anything anymore, maybe I should join
the club and build a foundry and make my own chips

Welcome.

petrus bitbyter
 
M

M.Randelzhofer

Jan 1, 1970
0
nikhilele said:
I want to make a ckt which can we can forget after installing.
I am looking for cheap microcontroller one which we have stock is
89c2051 it is around 0.6$ for single quantity.
i am not interested in OTP.
i want to program one by one.

TI sells the MSP430F2001 for $0.55 @ 1k quantity.
Nice architecture, free development tools and cheap programmers (parallel &
USB IF).

http://focus.ti.com/docs/prod/folders/print/msp430f2001.html

MIKE

--
www.oho-elektronik.de
OHO-Elektronik
Michael Randelzhofer
FPGA und CPLD Mini Module
Klein aber oho !
 
N

nikhilele

Jan 1, 1970
0
Paul said:
What are the development tools going to cost you?

development tools are one time charge not for life time
 
P

Paul Hovnanian P.E.

Jan 1, 1970
0
nikhilele said:
development tools are one time charge not for life time

Some are, some have recurring licensing fees. Some may not survive the
upgrade of the underlying O/S without an occasional upgrade (and fee).
What sort of production run to you have to spread the fixed costs over?
If its high, why isn't one-time programming an option? Keep the
additional unit cost of the cost of the programming step in mind here.
If field reprogrammability is an issue, then you will have to include
more tools (configuration control, upgrade distribution, etc). Embedded
s/w life cycles are significantly more involved than most people
realize.
 
N

nikhilele

Jan 1, 1970
0
quantiy is low in few hundreds its not a high volume project
I would like to say that programming and development tools are one time
investment and that is done at start of project thats it.
 
N

nikhilele

Jan 1, 1970
0
Thanks M.Randelzhofer thats it I was searching like these.
If some one knows such more controlles with less price like these the
suggesions are welcomed.
 
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