-# 0 - 72 MHz - Highest power usage/best result
-# 1 - 36 MHz
-# 2 - 18 MHz
-# 3 - 9 MHz - Slightly visible flicker (peripheral vision)
-# 4 - 4 500 kHz - Visible flickering
-# 5 - 2 250 kHz
-# 6 - 1 125 kHz
-# 7 - 562 500 Hz
-# Defaulting to no prescalar, looks the best
+
+# Base FTM clock selection (72 MHz system clock)
+# @ 0xFFFF period, 72 MHz / 0xFFFF * 2 = Actual period
+# Higher pre-scalar will use the most power (also look the best)
+# Pre-scalar calculations
+# 0 - 72 MHz -> 549 Hz
+# 1 - 36 MHz -> 275 Hz
+# 2 - 18 MHz -> 137 Hz
+# 3 - 9 MHz -> 69 Hz (Slightly visible flicker)
+# 4 - 4 500 kHz -> 34 Hz (Visible flickering)
+# 5 - 2 250 kHz -> 17 Hz
+# 6 - 1 125 kHz -> 9 Hz
+# 7 - 562 500 Hz -> 4 Hz