HD64F3048F16 Datasheet, PDF (391/903 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 10 16-Bit Integrated Timer Unit (ITU)
Examples of waveform output: Figure 10.20 shows examples of 0 and 1 output. TCNT operates
as a free-running counter, 0 output is selected for compare match A, and 1 output is selected for
compare match B. When the pin is already at the selected output level, the pin level does not
change.
TCNT value
H'FFFF
GRB
GRA
H'0000
TIOCB
No change
Time
No change 1 output
TIOCA
No change
No change
0 output
Figure 10.20 0 and 1 Output (Examples)
Figure 10.21 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
Counter cleared by compare match with GRB
GRA
H'0000
TIOCB
TIOCA
Time
Toggle
output
Figure 10.21 Toggle Output (Example)
Toggle
output
Rev. 3.00 Sep 27, 2006 page 363 of 872
REJ09B0325-0300