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Key Features
- PCI Express x1 Interface
- 48 Diode protected I/O lines
- 2 MB Input FIFO buffer onboard
- Standard outputs:
- -24mA / +24mA (source / sink)
- On-board 25 MHz clock
- Compatible with DMR & DOP expansion boards
- Mating Connector
- Two Standard 0.1 inch spaced 2 x 25
Description
The DM9820 is a high-speed digital I/O data module in a PCI/104-Express
format. This module includes many features such as pulse width modulators (PWM),
incremental encoders, and advanced interrupts.
Technical Details
- Digital I/O
- 48 Diode protected I/O lines
- 24 mA source and sink current
- Compatible with DMR and DOP expansion boards
- Deep FIFOs with DMA
- Two 2M-Word FIFOs
- Each FIFO is attached to a separate DMA channel
- 25 MHz bursted throughput
- 12.5 MHZ continuous throughput
- FIFO can be looped
- Pulse Width Modulators
- Eight PWM outputs
- Single-ended or Differential Outputs
- 16-bit resolution
- Separate period and width clocks provide full resolution at low duty
cycles
- Optional Interrupt generations
- Incremental Encoders
- Four Incremental Encoder channels
- Single-ended or Pseudo-differential Inputs
- Variable frequency input filtering
- Max input speed of 40ns per transition
- 16-bit resolution
- Two channels can be combined for 32-bit resolution
- Connect to FIFO for position sampling
- Advanced Interrupts
- Two Advanced Interrupt Modules
- Interrupt on Match, Change, or Strobe
- All 48 bits are captured when the interrupt is generated
- Any combination of the 48 bits can be monitored
- Programmable Clocks
- Four programmable clocks
- Maximum frequency of 25 MHz
- Can be started and stopped by an interrupt or another clock
- Continuous or One-Shot Operation
- Can be cascaded
- 82C54 Timer/Counters
- Six Timer/Counter Channels
- Fully programmable
- Input clock and gate driven from internal or external source
- 10 MHz maximum input
Software
- Includes software packages for the following Operating Systems:
- DOS
- Windows 2000, XP/XPe
- Linux 2.4.x and 2.6.x
- Source code provided for easy porting to other platforms, including
RTOSes
- Data acquisition toolkits such as LabVIEW and MATLAB may be used
with the Windows drivers
- Example programs with source code provide a starting point for
developing custom applications
Physical Attributess
- Dimensions
- Length (L): 3.775 inches (95.885 mm)
- Width (W): 3.550 inches (90.170 mm)
- Weight: Approximately 0.10 Kg (0.22 lbs.)
- Standard Operating Temperature: -40 to +85°C, 90% humidity
non-condensing
- Storage Temperature: -55 to +125°C
- Power Consumption: 1.5 W @ +5 VDC Typical
Recommended Accessories
- XT50: 3 foot, 50-pin,
twisted-pair cable
- TB50: 50-pin screw
terminal board
- XB50: 50-pin screw
terminal board with prototyping area
- DMR24: mechanical relay
output board
- DOP24: Opto-isolated
input board
Documentation and Downloads
Ordering Information
| Part Number |
Description |
Value
OEM |
| DM9820HR |
PCI/104-Express
High-Speed Digital I/O dataModule |
$595 |
|
