When ignition timing is detected based on counting the number of position signals POS10 after the reference position signal REF, {HEAD ~ the ignition timing control signal} is output to {TAIL ~ the power transistor} in the ignition coil 9 and ignition timing is controlled by the ignition plug 6 
is output to
When ignition timing is detected based on counting the number of position signals POS10 after the reference position signal REF , { HEAD ~ the ignition timing control signal } is output to { TAIL ~ the power transistor } in the ignition coil 9 and ignition timing is controlled by the ignition plug 6
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH