R01UH0823EJ0100 Rev.1.00
Page 598 of 1823
Jul 31, 2019
RX23W Group
23. Multi-Function Timer Pulse Unit 2 (MTU2a)
23.6.6
Contention between TGR Write Operation and Compare Match
If a compare match occurs in a TGR write cycle, the TGR register write operation is executed and the compare match
signal is also generated.
shows the timing in this case.
Figure 23.99
Contention between TGR Write Operation and Compare Match
23.6.7
Contention between Buffer Register Write Operation and Compare Match
If a compare match occurs in a TGR write cycle, the data before write operation is transferred to the TGR register by the
buffer operation.
shows the timing in this case.
Figure 23.100
Contention between Buffer Register Write Operation and Compare Match
TGR write data
TCNT
PCLK
TGR
Compare match signal
Written by CPU
N
M
N
N + 1
Compare match buffer signal
PCLK
TGR
Buffer register
Compare match signal
Buffer register write data
N
N
M
Written by CPU