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61 Appendix D
D.16 Mode U Waveforms
Hardware-Triggered Delayed Pulse Strobe with Edge Disarm
Mode U is identical to Mode I except that the counter will be disarmed
while the gate and inactive-going gate edge is applied to the counter. The
counter will hold the count value until it is issued a LOAD command or
REST command.
SOURCE
COUNT
VALUE
TC OUTPUT
TC TOGGLED
OUTPUT
GATE
L-1 L-2 2 0
Mode U Waveforms
X L 1 H
WR
ARM
COMMA ND
H-1 H-2 2 01 L
SOURCE
COUNT
VALUE
TC OUTPUT
TC TOGGLED
OUTPUT
GATE
L-1 L-2 2 0X L 1 H
WR
ARM
COMMA ND
H-1 H-2 N+2 NN+1
SOURCE
COUNT
VALUE
TC OUTPUT
TC TOGGLED
OUTPUT
GATE
L-1 L-2 N+2 NX L N+1
WR
ARM
COMMA ND