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Products   >   I/O Expansion Modules   >   Digital I/O Modules   >   GPIO-MM-21 Digital I/O Module
FEATURES
96 programmable digital I/O lines based on 8255 cores
3 pin headers for a total of 100 I/O pins
Based on a Xilinx Spartan II RAM-based FPGA for field reconfigurability FPGA personality display for easy identification
-40C to +85C operation
PC/104 form factor
FREE Universal Driver software included
ACCESSORIES
Customers who use this product also use:
50-pin Data Acquisition Cable

This product can be customized and ruggedized. Click here for more information.
ONLINE SUPPORT
See GPIO-MM-21 Digital I/O Module Technical Resources
Request Product information
Request Technical Support
DOWNLOADS
GPIO-MM Datasheet
(.pdf, 331.4 kb)
GPIO-MM-21 User Manual
(.pdf, 363.8 kb)
GPIO-MM Personality Guide v1.01
(.pdf, 239.5 kb)
GPIO-MM FPGA Pinout Guide
(.pdf, 331.4 kb)
Universal Driver Software

GPIO-MM-21 Digital I/O Module

Reconfigurable 96-line Digital I/O PC/104 Module

GPIO-MM-21 Digital I/O Module
click for a larger image
Description
Block Diagram
I/O headers
Specifications
Get an online quote
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Description

GPIO-MM-21 is part of a family of reconfigurable digital I/O and counter / timer modules with various port and pin configurations. Each board uses identical hardware with a 200K gate Xilinx Spartan II RAM-based FPGA. The varying configurations are based on different FPGA code. The FPGA code is stored in a flash memory on the board, enabling GPIO-MM-21 to be reprogrammed in the field with different designs, including custom designs.

The GPIO-MM-21 configuration provides 96 digital I/O lines. 48 lines are buffered. The 96 digital I/O lines are compatible with our legacy Garnet-MM and Onyx-MM boards. This configuration combines the features of two 48-line digital I/O boards into one board to reduce your PC/104 stack size and cost.

Other GPIO-MM configurations provide 48 digital I/O lines with 10 16-bit counter/timers.

Digital I/O Features

The digital I/O includes 96 programmable-direction lines using four 8255 cores. 48 of the I/O lines are buffered for enhanced output current. All I/O lines contain jumper-selectable 10Kohm pull-up/pull-down resistors. 48 I/O lines are contained on each of two 50-pin connectors, along with system ground and a convenient +5V power pin. Both I/O connectors provide the digital I/O lines in ABC port order.

Miscellaneous Features

The board requires only a +5V input and operates from -40°C to +85°C. All board functions are supported by our Universal Driver software for Linux, Windows 2000/XP/CE, DOS, and QNX.

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I/O Headers

GPIO-MM-21 Pin Definition

J3 Unbuffered Digital I/O

Port7 7 1 2 Port10 7
Port7 6 3 4 Port10 6
Port7 5 5 6 Port10 5
Port7 4 7 8 Port10 4
Port7 3 9 10 Port10 3
Port7 2 11 12 Port10 2
Port7 1 13 14 Port10 1
Port8 0 15 16 Port10 0
Port8 7 17 18 Port11 7
Port8 6 19 20 Port11 6
Port8 5 21 22 Port11 5
Port8 4 23 24 Port11 4
Port8 3 25 26 Port11 3
Port8 2 27 28 Port11 2
Port8 1 29 30 Port11 1
Port8 0 31 32 Port11 0
Port9 7 33 34 Port12 7
Port9 6 35 36 Port12 6
Port9 5 37 38 Port12 5
Port9 4 39 40 Port12 4
Port9 3 41 42 Port12 3
Port9 2 43 44 Port12 2
Port9 1 45 46 Port12 1
Port9 0 47 48 Port12 0
+5V 49 50 Ground

J4 Buffered Digital I/O

Port1 7 1 2 Port4 7
Port1 6 3 4 Port4 6
Port1 5 5 6 Port4 5
Port1 4 7 8 Port4 4
Port1 3 9 10 Port4 3
Port1 2 11 12 Port4 2
Port1 1 13 14 Port4 1
Port1 0 15 16 Port4 0
Port2 7 17 18 Port5 7
Port2 6 19 20 Port5 6
Port2 5 21 22 Port5 5
Port2 4 23 24 Port5 4
Port2 3 25 26 Port5 3
Port2 2 27 28 Port5 2
Port2 1 29 30 Port5 1
Port2 0 31 32 Port5 0
Port3 7 33 34 Port6 7
Port3 6 35 36 Port6 6
Port3 5 37 38 Port6 5
Port3 4 39 40 Port6 4
Port3 3 41 42 Port6 3
Port3 2 43 44 Port6 2
Port3 1 45 46 Port6 1
Port3 0 47 48 Port6 0
+5V 49 50 Ground

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Specifications

Base FPGA Xilinx Spartan II, 200,000 gates, 40K RAM bits
Input clock 40MHz
FPGA code storage Flash memory, field upgradeable via JTAG
ID indicator 8-bit LED display indicates FPGA code personality
No. of I/O pins 100 pins (48 buffered)
Programmable Digital I/O 96 using 8255 cores
Output current, buffered I/O Logic 0: 64mA max per line
Dimensions 3.55" x 3.775", PC/104 form factor
PC/104 bus 16-bit stackthrough ISA bus
Power supply +5VDC 5%
Operating temperature -40C to +85C standard, all versions
RoHS Compliant

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GPIO-MM-21 Digital I/O Module
available models:
GPIO-MM-21-XT
96 Digital I/O PC/104 Module
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Cables and accessories
available models:
C-50-18
50-conductor .1" pitch 18" ribbon cable Data Acquisition
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