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Xilinx FPGA BASED I/O card
• 72 I/O BITS
• 5V tolerant I/O
• 24 mA output drive
• PC/104-PLUS interface
• Many I/O functions supplied
• 11 LED status indicators
• Source supplied for all functions
• FPGA downloaded from host
• Low power consumption
• Made in USA - local support
• 2 year warranty
The MESA 4I65 is a general purpose VHDL source is provided for all examples
programmable I/O card for the PC/104-PLUS and custom I/O functions can be provided on a
bus. The 5I20 uses a 200K gate Xilinx FPGA for contract basis.
all logic, so it is truly an “Anything I/O” card.
The FPGA configuration is downloadable 24 mA. Pullup resistors are provided for all pins
from the PC/104-PLUS bus side, allowing so that they may be connected directly to optocreation
of almost any kind of specialized I/O isolators, contacts etc.
function, even including micro-controllers in the
FPGA.
A PCI bridge chip is used for FPGA interleaved grounds.
interfacing, so that the FPGA designs need only
interface to a simple 32 bit synchronous local
bus. debugging or circuit status information.
Several pre-made functions are provided, A 50 MHz crystal oscillator is provided as
including a 72 bit parallel I/O card with 32 bit the FPGA system clock. The 33 MHz PCI clock
host interface, a 12 channel host based servo is also avaialbe to the FPGA. Higher or lower
motor controller, a 4 or 8 channel micro- frequencies can be generated by the DLL built
controller based servo motor controller, and a 8 into the FPGA.
channel, 32 bit timer counter card capable of
running at 100 MHz.
All I/O bits are 5V tolerant and can sink
the 4I65 uses three 50 pin connectors
with I/O module rack compatible pinouts and
3 FPGA configuration status LEDS plus 8
general purpose LEDs are available for circuit