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47 Appendix D
D.2 Mode A Waveforms
Software-Triggered Strobe with No Hardware Gating
Mode A is one of the simplest operating modes. The counter will be
available for counting source edges when it is issued an ARM command.
On each TC the counter will reload from the Load register and automati-
cally disarm itself, inhibiting further counting. Counting will resume
when a new ARM command is issued.
SOURCE
WR
ARM
COMMAND
COUNT
VALUE
TC OUTPUT
TC TOGGLED
OUTPUT
L L-1 L-2 K+1X K K-1 2 1 0 L
Mode A Waveforms