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Section 11 Multi-Function Timer Pulse Unit 2
R01UH0134EJ0400 Rev. 4.00 Page 587 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
11.6 Operation Timing
11.6.1 Input/Output Timing
(1) TCNT Count Timing
Figure 11.78 shows TCNT count timing in internal clock operation, and Figure 11.79 shows
TCNT count timing in external clock operation (normal mode), and Figure 11.80 shows TCNT
count timing in external clock operation (phase counting mode).
TCNT
TCNT input
clock
Internal clock
Pφ
Falling edge Rising edge
N - 1 N N + 1
Figure 11.78 Count Timing in Internal Clock Operation
Pφ
TCNT
TCNT input
clock
External clock
Falling edgeRising edge
N - 1 N N + 1
Figure 11.79 Count Timing in External Clock Operation
Pφ
External
clock
TCNT input
clock
TCNT
Rising edge
Falling edge
N - 1 N N - 1
Figure 11.80 Count Timing in External Clock Operation (Phase Counting Mode)