PCI-6601

National Instruments PCI-6601 Counter / Timer Features Up to 32 Digital I/O Lines (5 V/TTL) 20 MHz Maximum Source Frequency (60 MHz with Pre-Scalers) Can Perform One High-Speed DMA Transfer Digital De-Bouncing Filters 4 Up/Down, 32-bit Counter/Timers The National Instruments PCI-6601 is a timing