ADLINK, cPCI, cPCI-7248, cPCI-7249R, Digital I/O

cPCI-7248/7249R

Brand: ADLINK
Product code: cPCI-7248, cPCI-7249R

    • 3U Eurocard form factor, CompactPCI compliant
      (PICMG 2.0 R2.1)
    • 48-CH digital TTL inputs/outputs
    • Emulates 4/2/1 industry standard 8255 PPI (mode 0)
    • Buffered circuits for higher driving capability
    • Ports are independently configurable as input or output
    • External latch signal available for digital inputs
    • Output status read back
    • Known power-up states
    • Onboard 8254 timer/counter chip
    • 1-CH 16-bit event counter to generate event interrupt
    • 1-CH 32-bit timer to generate watchdog timer interrupt
    • Multiple programmable interrupt sources
    • +12 V and +5 V power available on the connector
    • Onboard resettable fuses for power output protection
    • Rear I/O available on cPCI-7249R

    Specifications

    Digital I/O

    Number of channels: 48 inputs/outputs

    Compatibility: 5 V/TTL

    Power-on states: pull-high, pull-low, floating (programmable)

    Digital logic levels

    • Input high voltage: 2-5.25 V
    • Input low voltage: 0-0.8 V
    • Output high voltage: 2.4 V minimum
    • Output low voltage: 0.5 V maximum

    Output driving capacity

    • Source current: 15 mA
    • Sink current: 24 mA

    External digital input latch available on cPCI-7249R

    Data transfers: programmed I/O

    Interrupt

    Interrupt #0 sources

    • P1C0
    • P1C3
    • 16-bit event counter

    Interrupt #1 sources

    • P2C0
    • P2C3
    • 32-bit timer (based on 2 MHz internal clock)

    General Specifications

    I/O connector : One 100-pin SCSI-II female

    Operating temperature: 0˚C to 60˚C

    Storage temperature: -20˚C to 80˚C

    Relative humidity: 5% to 95%, non-condensing

    Power requirements

    Device +5 V
    cPCI-7248 470 mA typical
    cPCI-7249R 700 mA typical

    Dimensions (not including connectors): 160 mm x 100 mm

    Datasheet