R01UH0823EJ0100 Rev.1.00
Page 588 of 1823
Jul 31, 2019
RX23W Group
23. Multi-Function Timer Pulse Unit 2 (MTU2a)
23.5
Operation Timing
23.5.1
Input/Output Timing
(1) TCNT Count Timing
show the TCNT count timing for TGI interrupt in internal clock operation,
count timing in external clock operation (normal mode), and
shows the TCNT count timing in external
clock operation (phase counting mode).
Figure 23.78
Count Timing in Internal Clock Operation (MTU0 to MTU4)
Figure 23.79
Count Timing in External Clock Operation (MTU0 to MTU4)
Figure 23.80
Count Timing in External Clock Operation (Phase Counting Mode)
PCLK
Internal clock
TCNT
TCNT count clock
Falling edge
Rising edge
N – 1
N
N + 1
Falling edge
Rising edge
N – 1
N
N + 1
PCLK
External clock
TCNT
TCNT count clock
Falling edge
Rising edge
N – 1
N
N – 1
PCLK
External clock
TCNT
TCNT count clock