Figure 12.8 Periodic Counter Operation; Figure 12.9 Example Of Setting Procedure For Waveform Output By Compare Match - Renesas H8S Series Hardware Manual

TCNT value
TGR
H'0000
CST bit
TGF
(2) Waveform Output by Compare Match
The TPU can perform 0, 1, or toggle output from the corresponding output pin using compare
match.
1. Example of setting procedure for waveform output by compare match
Figure 12.9 shows an example of the setting procedure for waveform output by compare
match.
Output selection
Select waveform output mode
Set output timing
Start count operation
<Waveform output>

Figure 12.9 Example of Setting Procedure for Waveform Output by Compare Match

Figure 12.8 Periodic Counter Operation

[1]
Select initial value 0 output or 1 output, and
compare match output value 0 output, 1 output,
or toggle output, by means of TIOR. The set
initial value is output at the TIOC pin unit the
first compare match occurs.
[2]
Set the timing for compare match generation in
[1]
TGR.
[3]
Set the CST bit in TSTR to 1 to start the count
operation.
[2]
[3]
Section 12 16-Bit Timer Pulse Unit (TPU)
Counter cleared by TGR
compare match
Flag cleared by software or
DTC activation
Rev. 3.00 Jul. 14, 2005 Page 337 of 986
Time
REJ09B0098-0300