ㆍ▷ 32-CH 80 MB/s High-Speed Digital I/O Card
ㆍ▷ x1 lane PCI Express® interface
ㆍ▷ Data transfer rate up to 80Mbytes/s
ㆍ▷ Bus-mastering DMA with scatter-gather technology
Features
▷ x1 lane PCI Express® Interface
▷ 32-ch 5 V/TTL digital inputs/outputs
▷ 20 MHz (80 MB/s) maximum transfer rate
▷ 8, 16, or 32-bit transfers
▷ 4 auxiliary DI & 4 auxiliary DO
▷ Onboard 64 KB FIFO
▷ Onboard programmable timer pacer clock
▷ Timed digital input sampling controlled by internal timer or external clock
▷ Independent trigger signals to start data acquisition and pattern generation
▷ Scatter-gather DMA
▷ Supports handshaking digital I/O transfer mode
▷ Repeated digital pattern generation from FIFO
▷ Active terminators
▷ PCIe-7300A Rev. C supports 64-bit operating system with greater than 4GB memory
▷ ACK and REQ signals for handshaking data transfer
▷ Data transfer rate up to 80Mbytes/s
▷ Bus-mastering DMA with scatter-gather technology
▷ Multiple I/O port configurations: 16-CH DI & 16-CH DO, 32-CH DI or 32-CH DO
Specification & Introduction
Digital I/O
▷ Numbers of channel (Software configurable)
16 DI & 16 DO
32 DI
32 DO
▷ Compatibility: 5 V/TTL
▷ Digital logic levels
Input high voltage: 2-5.25 V
Input low voltage: 0-0.8 V
Output high voltage: 2.7 V minimum
Output low voltage: 0.5 V maximum
▷ Input load
Terminator OFF
Input high current: 1 mA
Input low current: 20 mA
Terminator ON
Termination resistor: 111 Ω
Termination voltage: 2.9 V
Input high current: 1 mA
Input low current: 22.4 mA
▷ Output driving capacity
Source current: 8 mA
Sink current: 48 mA
Transfer characteristics
▷ Data transfers:
Bus-mastering DMA with Scatter/Gather
▷ Data width: 32/16/8 bits (programmable)
Data transfer count
▷ 2 M double words (8 MB) for non-chaining
mode DMA
▷ No limitation for chaining mode (scatter/gather) DMA
Max transfer rate
▷ DO: 80 MBytes/s, 32-bit output @ 20 MHz
DI: 80 MBytes/s, 32-bit input @ 20 MHz
Trigger
▷ ADI_TRG for digital inputs,
DO_TRG for digital outputs
▷ Compatibility: 5 V/TTL
▷ Trigger types: rising or falling edges
▷ Minimum pulse width: 32 ns
Clocking mode
▷ Internal clock
Internal clock sources: 20 MHz, 10 MHz, Timer#0
output (digital input pacer) and Timer #1
output (digital output pacer)
▷ External clock up to 40 MHz
▷ Handshaking
▷ Burst handshaking
Programmable counter
▷ Base clock: 10 MHz
▷ Timer #0 as digital input pacer
▷ Timer #1 as digital output pacer
▷ Timer #2: as interrupt source
Auxiliary digital I/O
▷ Number of channels
4-ch digital inputs
4-ch digital outputs
▷ Compatibility: 5 V/TTL
▷ Data transfers: programmed I/O
General Specifications
▷ I/O connector: One 100-pin SCSI-II female
▷ Operating temperature: 0˚C to 60˚C (32˚F to 140˚F)
▷ Storage temperature: -20˚C to 80˚C (-4˚F to 176˚F)
▷ Relative humidity: 5% to 95%, non-condensing
▷ Power requirements
PCIe-7300A
+12 V 119 mA typical 287 mA typical
+3.3 V 499 mA typical 543 mA typical
▷ Dimensions (not including connectors)
168 mm x 112 mm (6.55” x 4.36") (PCIe-7300A)
Ordering Information
▷ PCIe-7300A
80 MB/S High-Speed 32-ch Digital I/O PCIe Card