GPIOMM0 pages

GPIO-MM FAMILY
DIGITAL I/O AND COUNTER / TIMER
• Multiple configurations and pin definitions
• Up to 96 digital I/O pins with programmable direction
• Up to 10 16-bit counter / timers with a 40MHz clock with
8 fixed digital inputs and 8 fixed outputs
• EEPROM storage of address / interrupt configuration for
automatic power-on configuration
• 3 pin headers for a total of 100 I/O pins

SPECIFICATIONS

DESCRIPTION
The GPIO-MM Family consists of a set of 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.
Base hardware supports up to 96 digital I/O pins with
programmable direction based on 8255 cores and up to 10
16-bit counter / timers based on 9513 cores. Up to 100 I/O
pins are provided by the module including four fixed digital
outputs. 48 of the 100 I/O pins are buffered.
The three configurations currently offered include one
configuration with 96 programmable digital I/Os and no
counter / timers. The other two configurations provide 48
buffered digital I/O pins and 10 16-bit counter / timers.
These two configurations differ in pin out definition to
provide compatibility with two predecessor Diamond
Systems products.
The board requires only a +5V input and operates from
-40°C to +85°C.

ORDER INFORMATION
Part No.

Description

GPIO- MM-XT

48 DIO, 10 Counter / Timers (GMM pinout)

GPIO-MM-12-XT

48 DIO, 10 Counter / Timers (OMM pinout)

GPIO-MM-21-XT

96 DIO

No. of I/O pins
Programmable Digital
I/O
Counter / Timers

100 (48 buffered)
Up to 96 digital I/O with programmable
direction based on 8255 cores
Up to 10 16-bit counter / timers based on
9513 cores

Base FPGA
Input Clock
Output current,
buffered I/O

Xilinx Spartan II, 200K gates, 40K RAM bits
40MHz
Logic 0: 64mA max per line
Logic 1: -15mA max per line

Output current,
unbuffered I/O

±24mA max per line

Dimensions
Power Supply
Operating Temp
Weight
RoHS
GPIO-MM Specifications
Programmable Digital
I/O
Fixed Digital I/O
Counter / Timers

3.55” x 3.775”
+5VDC ±10%
-40°C to +85°C
2.2oz / 62.4 g
Compliant
48 buffered (GMM pinout)
8 Fixed Inputs and 8 Fixed Outputs
10 16-bit

Counter / Timer Modes

Counter, rate / square-wave generator,
pulse-width modulator, programmable oneshot, hardware / software triggered strobe
GPIO-21-MM Specifications
Programmable Digital
96, programmable, 48 buffered, 48
I/O
unbuffered (OMM pinout)
Counter / Timers
None
GPIO-12-MM Specifications
Programmable Digital
I/O
Fixed Digital I/O

48 buffered (OMM pinout)

Counter / Timers
Counter / Timer Modes

10 16-bit
Counter, rate / square-wave generator,
pulse-width modulator, programmable oneshot, hardware / software triggered strobe

www.diamondsystems.com

8 Fixed Inputs and 8 Fixed Outputs