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59 Appendix D
D.14 Mode O Waveforms
Hardware-Triggered Strobe with Edge Disarm
Mode O, shown in Figure O, is identical to Mode C except that the
counter will be disarmed while an inactive-going gate edge is applied to
the counter. And the counter will hold the count value until it is issued a
LOAD command or REST command.
SOURCE
WR
ARM
COMMAND
COUNT
VALUE
TC OUTPUT
TC TOGGLED
OUTPUT
GATE
X L L-1 L-2 2 1 0 L
Mode O Waveforms
SOURCE
WR
ARM
COMMAND
COUNT
VALUE
TC OUTPUT
TC TOGGLED
OUTPUT
GATE
X L L-1 L-2
N+2 N+1 N