Goodbye Uno32, Hello uC32

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If you’ve been on our website, you may have seen a curious notification on the Uno32 page.

"Contact us for price & availability" usually means that we are no longer selling this product through our website and are only accepting large MOQ sized orders.

“Contact us for price & availability” usually means that we are no longer selling this product through our website and are only accepting large MOQ sized orders.

“Contact us for price & availability” usually means that Digilent is on the road to discontinue a product for sale on our website.  What this means for the product’s life cycle is that companies/people can still order the product, but they are subject to ordering in MOQ (minimum order quantity) and need to contact our manufacturing services team. For Digilent, our decision to discontinue a product is usually driven by lagging interest or that we no longer can procure all of the necessary parts to build the boards. We prefer to keep products active as long as possible (with our educational focus, it behooves us to keeping platforms as stable as possible for course material changes). So, the Uno32 being discontinued seems odd. After all, it is one of the most heavily promoted and popular chipKIT family members, none of its components are going obsolete, there are thousands in the ecosystem and popularity is only gaining momentum…

So what’s going on?

Uno32-past-successes

The answer?

Evolution.

We’ve learned how to make a much better product and by doing so, have obsoleted our own board.

We encourage users to switch over to the uC32.

We encourage users to switch over to the uC32.

The chipKIT uC32 is virtually identical to the Uno32. If you compare the eagle board files, you’ll see that both of the boards line up exactly (as in the gif below).

The Uno32 and the uC32 use almost the exact same PCB.

The only difference between the two boards is the microcontroller on board.

chipKIT Uno32

Not Recommended 

chipKIT uC32

Available Today

16030128275_513a7b1980_m

15842731258_041bfcb7a1_m
Microchip® PIC32MX320F128

  • 80MHz/105DMIPS, 32-bit MIPS M4K Core
  • 128 KB Program Memory
  • 16 KB of RAM
  • 12 KB of Auxilary Flash (Boot Flash)
  • Operating Voltage 2.3 to 3.6
  • 2 SPI
  • 2 I2C
  • 16 A/D Channels
  • 5 Input captures
  • 5 Output Compare (PWM)
  • 8 MHz, 32 kHZ Internal Oscillator
  • 53 I/O Pins
Microchip® PIC32MX340F512H

  • 80MHz/105DMIPS, 32-bit MIPS M4K Core
  • 512 KB of Program Memory
  • 32 KB of RAM
  • 12 KB of Auxiliary Flash (Boot Flash)
  • Operating Voltage 2.3 to 3.6
  • 4 Channel Hardware DMA Controller
  • 2 SPI
  • 2 I2C
  • 16 A/D Channels
  • 5 Input Capture
  • 5 Output Compare (PWM)
  • 8 MHZ, 32kHZ Internal Oscillator
  • 51 I/O Pins
  • Arduino R3 Header Standard 42 Available I/O
  • 3.3V Operating Voltage
  • 3.3-5V Logic Levels
  • +/- 18mA DC Current per Pin
  • USB Mini Port for Programming
  • 2 User LEDs
  • Reset Button
  • External Power- 5mm Barrel Jack
  • Mounting holes
  • zUno Clip Compatible (2.5 inches)
  • Arduino R3 Header Standard 42 Available I/O
  • 3.3V Operating Voltage
  • 3.3-5V Logic Levels
  • +/- 18mA DC Current per Pin
  • USB Mini Port for Programming
  • 2 User LEDs
  • Reset Button
  • External Power- 5mm Barrel Jack
  • Mounting holes
  • zUno Clip Compatible (2.5 inches)

With minimal changes to the board, the change of a higher power microcontroller enables chipKIT users to begin exploring more of the advantages of the 32-bit MIPS processor. The extra memory and addition of the 4-channel DMA (direct memory access) can now support libraries like the chipKIT Network Stack (connecting your project to the internet) or our WS2812 LED Driver library.

Both boards can seamlessly use MPIDE, requiring only a tiny change to select the correct board before programming.

 

Just select the chipKIT uC32 under Tools> Boards>chipKIT

Just select the chipKIT uC32 under Tools> Boards>chipKIT.

This means you can basically do a search and replace for most of your projects, course materials, or tutorials.

We will be replacing our Learn Materials with chipKIT uC32

We will be replacing references and uses of the Uno32 with chipKIT uC32 in our Learn site material.

It may be difficult to say goodbye, but the chipKIT uC32 is a great microcontroller board to use. We’re excited to see what the higher power microcontroller will bring to your projects!  Here’s to a smooth transition! If you have any further questions, add them in the comments or on the Digilent forum.

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About Author

I’m a bit of an electronics-education evangelist. After all, Education is how we learn about the world.
Electronics make the world better.
Engineers change the world.
So more engineers that know how to design and create electronics?
That’s the kind of world I want to help create.

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