Papilio Duo - 512KB SRAM
We live in exciting times where we can create masterpieces with the
Arduino and marvels with the Raspberry Pi. Where we can use technology
as a canvas to create things that amaze and amuse our friends and
family. Wouldn't it be great if we could take the same technology that
has been the staple of rocket scientists and put it in our creative
arsenal? Without the need to become a rocket scientist or the headache
of learning a new programming language like VHDL/Verilog.
can't we just draw up the circuits that we want to use? With the right
software and circuit libraries we can! Let's put a full circuit lab on a
chip, pair it with an easy to use Arduino-Compatible chip, and sprinkle
in a generous helping of debugging tools.
The Papilio DUO has an
FPGA on the top and the same chip that is used in the Arduino Leonardo
(ATmega32U4) on the bottom. It's like having an Arduino with a full
circuit laboratory connected to it! For example, you can draw circuits
to move pins, connect extra serial ports, or connect a bitcoin miner to
the Arduino-Compatible chip. Just plug it into your computer using a USB
cable, download our software and start drawing your own circuits.
dream is to take the hardcore out of FPGA (Field Programmable Gate
Array) and make it an amazing tool that anyone can use for creative
Just like the Arduino team simplified C++
programming, we simplify FPGA design by providing easy to use drag and
drop circuit libraries. We believe that drawing circuits will result in
an amazing outpouring of creative FPGA projects!
Use the Papilio
DUO to unleash your inner DaVinci. Draw and debug circuits on a chip
without any soldering, breadboarding, or weird programming languages.
Set your imagination free and put an FPGA in your creative arsenal!
Papilio DUO is a third generation Papilio board. As such, it benefits
from all of the tricks we've learned along the way as well as extensive
feedback from the community. This past experience and community feedback
drove the development of this board and puts the users needs first.
- The first thing that people always ask for is the ability to use
their Arduino shields. We listened and started with an
Arduino-Compatible footprint, retained support for six Papilio Wings,
and even squeezed in support for one PMOD connector! Adding new hardware
to your FPGA has never been easier, there is a huge selection of
hardware out there just waiting for you to discover.
SRAM - Easy
to use SRAM is a must. We've used SDRAM in the past and it was a big
mistake! The strict timing requirements and interfacing caused fits for
everyone. SRAM is asynchronous and dead easy to use, you will greatly
appreciate the simplicity of SRAM in your projects.
Software and Features
Papilio DUO is much more then just hardware. In fact, the software is
the secret sauce that sets the DUO apart from other FPGA boards. It lets
you draw up circuits without investing time and energy in learning
We start with the Arduino IDE (Integrated
Development Environment) and supercharge it by adding circuits into the
mix. We bring all of the pieces needed to draw and debug your very own
circuits in one place. It's an easy and seamless user experience that we
call Papilio DesignLab for use with both Windows and Linux.
start with the Arduino IDE but every sketch now has a circuit
associated with it - editing and debugging circuits is just a click
Drop a professional quality
Logic Analyzer into any circuit and know instantly what it's doing. Up
to 32 channels and 200Mhz speed handles any circuit you can throw at it.
Use up to 75KB of internal memory or the external SRAM memory.
System on Chip - Draw Soft Processor Circuits!
to get into more complex circuits? DesignLab includes the ZPUino Soft
Processor with a Wishbone bus, providing greater speed and flexibility
than the Arduino-Compatible chip. A Soft Processor runs inside the FPGA
and uses the Wishbone bus to make it easy to connect peripheral
circuits, such as UARTs, PWMs or SPI masters. Making your own Soft
Processor with just the right mix of peripheral circuits is known as a
SOC (System On Chip) design. With DesignLab you can draw your SOC
designs in minutes!
Create SOCs with ten serial ports, or a PWM
on every pin, or something exotic like classic Atari and Commodore audio
chips connected at the same time. The sky is the limit, you can create
things that don't exist anywhere else!
Example of making your own
SOC design with ZPUino and a Commodore 64 SID audio chip. (This
tutorial was written for an earlier version of our software. DesignLab
integrates circuits and sketches together for a much easier and seamless
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