ADLINK PCI-8554 - Manual (Page 13)

Introduction •3
1.2 Applications
• Event counter
• Frequency generator
• Frequency synthesizer
• Pulse width measurement
• Low level pulse generator
• Time delay
• Industry automation
• Watchdog timer
1.3 Specifications
Programmable Counter / Timer
• Device: 82C54x4
• Number of Counters/timers:
3 10 independent timers / counters
3 2 cascaded timers / counters
3 Cascaded 32-bit counters with fixed 8MHz internal
clock
• Counter mode: 16-bit down counter
• Maximum input frequency: 8 MHz
• Clock sources of independent counters:
3 External clock
3 Prior counter output
3 Clock #10 output
3 CK1 (Programmable)
• CK1 clock sources: (Programmable)
3 8MHz internal base clock
3 Programmable counter 11 output
• Gate control: default enable or external control