R01UH0823EJ0100 Rev.1.00
Page 505 of 1823
Jul 31, 2019
RX23W Group
23. Multi-Function Timer Pulse Unit 2 (MTU2a)
Note:
The initial output value of negative-phase waveform changes to an active level after the dead time has passed since counting
starts.
shows an example of output in complementary PWM mode (one phase) when OLSN = 1 and OLSP = 1.
Figure 23.2
Example of Output in Complementary PWM Mode
Table 23.27
Output Level Select Function
Bit 0
Function
OLSP
Initial Output
Active Level
Compare Match Output
Up-Counting
Down-Counting
0
High
Low
Low
High
1
Low
High
High
Low
Table 23.28
Output Level Select Function
Bit 1
Function
OLSN
Initial Output
Active Level
Compare Match Output
Up-Counting
Down-Counting
0
High
Low
High
Low
1
Low
High
Low
High
MTU3.TCNT value
MTU3.TGRA
MTU4.TGRA
TDDR
0000h
Time
MTU4.TCNT
MTU3.TCNT
Positive-phase output
Negative-phase output
Active level
Compare match
output (up-count)
Initial
output
Initial
output
Compare match output
(down-count)
Compare match
output (up-count)
Compare match output
(down-count)
Active level
Active
level