R01UH0823EJ0100 Rev.1.00
Page 544 of 1823
Jul 31, 2019
RX23W Group
23. Multi-Function Timer Pulse Unit 2 (MTU2a)
(d) Phase Counting Mode 4
shows an example of operation in phase counting mode 4, and
lists the TCNT up-counting
and down-counting conditions.
Figure 23.33
Example of Operation in Phase Counting Mode 4
: Rising edge
: Falling edge
Table 23.48
Up-Counting and Down-Counting Conditions in Phase Counting Mode 4
MTCLKA (MTU1)
MTCLKC (MTU2)
MTCLKB (MTU1)
MTCLKD (MTU2)
Operation
High
Up-counting
Low
Low
None (Don't care)
High
High
Down-counting
Low
High
None (Don't care)
Low
Up-counting
Down-counting
TCNT value
MTCLKA (MTU1)
MTCLKC (MTU2)
MTCLKB (MTU1)
MTCLKD (MTU2)
Time