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I need a 8051 chip with the following features.

  1. SPI programmable. [ software supported on linux or windows]
  2. With a internal configurable USB module.[with usb SIB]
  3. 5V electrical configuration.
  4. Chip should be mountable on the bred-board.

and I prefer this additional feature too.

  • internal A/D unit.

My chip budget is 0$(Donate ME!) - 10$, Could you suggest me a chip with a brand. My country welcome all brands from any country[no RHoS].

--thanks in advance--

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  • \$\begingroup\$ What's with the downvote? It should almost be a requirement on this site that a downvote for a question come from a frequent visitor or require moderation. \$\endgroup\$ Commented Apr 19, 2012 at 19:40
  • \$\begingroup\$ @AndrewKohlsmith So If I were to downvote, you would be ok with no explanation? We would be exactly in the same spot... I voted to close because it's a localized shopping question. \$\endgroup\$ Commented Apr 19, 2012 at 19:52
  • \$\begingroup\$ @w5vo usually the people who are the "regulars" have pretty good reasons for downvoting that most others see as obvious. Your downvote here must be the exception that proves the rule. :-) I didn't see this so much as a shopping question but rather asking for help in finding such a beast. \$\endgroup\$ Commented Apr 19, 2012 at 19:53
  • \$\begingroup\$ @AndrewKohlsmith I rarely downvote questions (didn't downvote this one), but I vote to close a lot. Incidentally, the closing dialog makes you justify your close vote. \$\endgroup\$ Commented Apr 19, 2012 at 19:58
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    \$\begingroup\$ My 1 minute with digikey implies that you can get everything except probably the programming requirement if you don't use a 8051, and no 8051 with USB comes in a DIP package. \$\endgroup\$ Commented Apr 19, 2012 at 20:10

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Most of the Cypress FX2 series of microcontrollers are 8051 based, and should take care of all of your requirements except for the ADC and breadboard, but several breakout designs exist which might satisfy your breadboardable requirement, and it's got I2C which should make it easy to add an ADC (Analog Devices, Linear Tech, National Semiconductor and Maxim).

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You might also see Silicon Labs https://www.silabs.com 8051 microcontrollers. They have a very rich peripherals. You might find something suitable for your needs. C8051F32x/34x , C8051F32x/34x series Silicon Labs MCUs have USB.

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    \$\begingroup\$ Can you expand this answer to include a list of Silicon Labs 8051 based MCU which also includes USB and meet the other requirements in the question? At the moment this answer only links to the top-level Silicon Labs web site which doesn't really answer the question. \$\endgroup\$ Commented Nov 14 at 6:16
  • \$\begingroup\$ I can't provide a full list right now, but for example the C8051F321-GM has USB. \$\endgroup\$ Commented Nov 14 at 6:28
  • \$\begingroup\$ C8051F32x/34x , C8051F32x/34x Silicon Labs MCU have USB. \$\endgroup\$ Commented Nov 14 at 6:35
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    \$\begingroup\$ Please edit everything that makes an answer (more) useful into the answer post boda. Comments are somewhat temporary as well as secondary. \$\endgroup\$ Commented Nov 14 at 16:46
  • \$\begingroup\$ I don't think the answer is that good anyway. These days the question could be closed due to asking what to buy or from where or requesting opinions what should be bought. It's also a 13 year old question so old MCUs go obsolete and new ones are introduced to market as time passes. The answer is basically a link-only answer with list of MCUs. Also the chips can be powered with 5V but they use 3.3V for logic, and don't come in a package that is breadboard mountable. So these MCUs do not fit the specs that were asked. \$\endgroup\$ Commented Nov 18 at 5:58

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