The Scofield Bible Commentary, by Cyrus Ingerson Scofield, [1917], at sacred-texts.com
hit him
Compare (Sa2 1:10); (Sa2 21:12).
The order is:
(1) Saul is "hit" -- wounded mortally, potentially "slain," by the Philistines;
(2) either to escape agony, or insult by the enemy, he falls upon his sword, and his armour-bearer, supposing him to be dead, slew himself;
(3) but Saul was not dead; raising himself upon his spear, he besought the Amalekite to put him to death. (Sa2 1:10); (Sa2 21:12).
burnt
Contrast (Ch2 16:14).