Rev. 1.0, 02/00, page 335 of 1141
16.3.3
Output Comparing Signal Outputting Timing
When a comparing match occurs, the output level having been set by the OLVL of the TOCR is
output through the output comparing signal outputting pins (FTOA and FTOB).
Figure 16.5 shows the timing chart for the output comparing signal outputting A.
FRC
OLVLA
FTOA
Output comparing
signal outputting
A pin
N
N
↓
Clearing
*1
N
N
N+1
N+1
Comparing match
signal
φ
OCRA
Note: 1. Execution of the command is to be designated by the software.
Figure 16.5 Output Comparing Signal Outputting A Timing
16.3.4
FRC Clearing Timing
The FRC can be cleared when the comparing match A occurs. Figure 16.6 shows the timing chart.
FRC
Comparing match
A signal
φ
N
H' 0000
Figure16.6 Clearing Timing by Occurrence of the Comparing Match A