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R01UH0823EJ0110 Rev.1.10 Page 552 of 1852
Nov 30, 2020
RX23W Group 23. Multi-Function Timer Pulse Unit 2 (MTU2a)
(d) Phase Counting Mode 4
Figure 23.33 shows an example of operation in phase counting mode 4, and Table 23.48 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