USB-2416 User's Guide
Functional Details
20
Counter input terminals (CTR0, CTR1)
Two 32-bit event counters accept frequency inputs up to 1 MHz.
Refer to Figure 5 through Figure 7 on pages 11-13 for the location of these pins. The internal counter
increments when the TTL levels transition from low to high. The counter can count frequencies of up to 1 MHz.
USB-2416 mechanical drawings
Figure 17. Circuit board (top) and enclosure dimensions
