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Cypress PSOC 28 Pin - CY8C29466

Replacement: None. We are retiring this product due to poor sales. This page is for reference only.

The PSoC mixed signal array micro. These are very powerful, flexible, analog/digital based microcontrollers. Cypress part CY8C29466-24PXI with 32K Flash and 2K SRAM. The Cypress site is thick with great app notes and reference designs!

  • PWMs (8 to 32 bit)
  • PWMs with Dead band (8 to 32 bit)
  • Counters (8 to 32 bit)
  • Timers (8 to 32 bit)
  • UART 8 bit with selectable parity (up to 4)
  • SPI master and slave (up to 4 each)
  • I2C slave and multi-master (1 available as a System Resource)
  • Cyclical Redundancy Checker/Generator (8 to 32 bit)
  • IrDA (up to 4)
  • Pseudo Random Sequence Generators (8 to 32 bit)

Comments

Looking for answers to technical questions?

We welcome your comments and suggestions below. However, if you are looking for solutions to technical questions please see our Technical Assistance page.

  • baksiidaa / about 13 years ago / 1

    Retired?!? Noooooo! Back to Digikey, I guess.

  • Xykon / about 13 years ago * / 1

    The datasheet can now be found here

    I'm still trying to figure out how to program this chip... either via Buspirate or one of my arm dev boards. I connected the bus pirate to the chip giving it 5V power and the i2c ports on pins 10/11 or 13/15. When I do an i2c bus scan though nothing is found.

    I guess I should have invested the additional money to get the Geiner Board first...

    Can anyone point me to some sort of easy getting-started guide on what's the best way to get initial communication going with this chip? Any help would be greatly appreciated.

    • Kdiggity / about 13 years ago / 1

      The PSoC MiniProg CY3217 is the best for programming it ($30 on digikey). I use these all the time for work, i love the 21x34 series as they have a built in hardware capacitance sensing module. I also use Cypress I2C-USB Bridge Kit for software debugging. It is a fairly easy device to use and it has some neat charting and datalogging features.

      • Xykon / about 13 years ago / 1

        Thanks for the info. I found the progger on Mouser and put it in my "think about it" list. I'm just not sure I want to invest in yet another programmer so maybe I'll be able to figure out how to program it with the bus pirate or one of my other I2C boards.

        • Xykon / about 13 years ago / 1

          Got my programmer from mouser today and it worked right out of the box.

          I connected 5 jumper cables to the box and deployed my ready-made project within 5 minutes of unpacking the box (though I had the Software and Driver already installed on my PC). Now I can finally use this chip.

          I'll still be trying to look into programming this chip with the bus pirate or an Arduino as I think that would make the chip a lot more interesting than having to buy a $30 programmer to use it that isn't even available @Sparkfun.

          • Kdiggity / about 12 years ago / 1

            Just get the I2C bridge for PSoC microcontrollers and don't waste your time with an Arduino approach. The PSoC are the best and most versatile MCUs on the market. The Arduinos are kids toys compared to these. The I2C bridge is a very powerful debug tool and its all ready to go out of the box. $30 for a programmer is nothing in the world embedded development. You can analyze any variables or parameters in your code and output them on the I2C protocol and store/graph all day.

  • John4 / about 13 years ago / 1

    Wow! Just finished reading the data sheet. This is a bad a@@ chip. I can't wait until I get to a point where I would need something with all the features this chip has to offer.

  • Hivoltage / about 13 years ago / 1

    Datasheet:
    http://www.cypress.com/?docID=29431
    They changed it and the link Maragnus provided no longer works

    • Kdiggity / about 13 years ago / 1

      If you have the PSoC Designer suite, then you would open it up and click on the help menu and then on documentation. The datasheet for Cypress PSoCs come with their software. You can either reference the datasheet on the Device (or its Family) or the Technical Reference Manual (TRM) for all the information on using the processor (Registors, Interrupts, Memory, etc..)

  • Ford Anglia / about 14 years ago / 1

    Does this part have any firmware installed? Does it contain the Bootloader (as used in the MP3 Trigger V2)?
    TIA

    • Kdiggity / about 13 years ago / 1

      Its a standalone IC but you can install one yourself onto it.
      PSoC are the best microcontrollers. I have used AVRs, PICs, MSP430 and you can't compare to PSoC. The ones with Capacitance Sensing are awesome (CY8C21x34 series).
      This is definitely not a beginner MCU, its takes some time to learn. But it puts Arduinos to shame.

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