cPCI-8554
- 3U Eurocard form factor, CompactPCI compliant (PICMG 2.0 R3.0) (cPCI-8554)
- Onboard four 8254 programmable timer/counter chips
- 10-CH independent 16-Bit down counters
- 1-CH 32-Bit cascaded timer
- Onboard 8 MHz clock source
- Four programmable clock sources for each timer/counter
- Programmable de-bounce filters for external clock & external interrupt inputs
- Programmable interrupt sources
- 8-CH TTL digital inputs & 8-CH TTL digital outputs
- +12 V and +5 V power available on the connector
- Onboard resettable fuses for power output protection
Specifications
General-Purpose Timer/Counters
Number of channels: 10
Counter width: 16 Bit
Compatibility: 5 V/TTL
Base clock available: 8 MHz or external clock up to 10 MHz
Programmable clock sources
- cascaded 32-Bit timer output
- external clock
- timer/counter output of the last channel
- Onboard 8 MHz clock
Cascaded Timer
Number of channels: 1
Counter width: 32 Bit
Compatibility: 5 V/TTL
Base clock available: 8 MHz, fixed
Programmable De-bounce Filters for External Clocks
Number of channels: 11
Filtered inputs: external clock, external interrupt
Glitch rejection pulse width: 4 periods of the debounce clock
De-bounce clock: up to 2 MHz, programmable
Interrupt
Number of interrupt sources: 2
Sources: external interrupt input and output of counter #12
Digital I/O
Number of channels: 8 inputs and 8 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: +5 V / 350 mA typical
Dimensions (not including connectors): 160 mm x 100 mm (6.24” x 3.9”) (cPCI-8554/8554R)