Hitachi F-ZTAT H8/3039 Series Hardware Manual page 242

TCNT value
H'FFFF
GRB
GRA
H'0000
TIOCB
TIOCA
Figure 8-21 shows examples of toggle output. TCNT operates as a periodic counter, cleared by
compare match B. Toggle output is selected for both compare match A and B.
TCNT value
GRB
GRA
H'0000
TIOCB
TIOCA
232
No change
No change
Figure 8-20 0 and 1 Output (Examples)
Counter cleared by compare match with GRB
Figure 8-21 Toggle Output (Example)
No change 1 output
No change 0 output
Time
Toggle
output
Toggle
output
Time