when the gate is high (always true for timers 0 and 1). When the count
reaches zero, the output goes high.
-Mode 1: Triggered One-shot. The output is intially set high. When the gate
+Mode 1: Triggered One-shot. The output is initially set high. When the gate
line is set high, a countdown is initiated (which does not stop if the gate is
lowered), during which the output is set low. When the count reaches zero,
the output goes high.