Datasheet

Section 10 16-Bit Timer Pulse Unit (TPU)
Rev. 2.00 Sep. 28, 2009 Page 290 of 994
REJ09B0452-0200
10.7 Operation Timing
10.7.1 Input/Output Timing
(1) TCNT Count Timing
Figure 10.30 shows TCNT count timing in internal clock operation, and figure 10.31 shows TCNT
count timing in external clock operation.
TCNT
TCNT
input clock
Internal clock
φ
N - 1 N N + 1 N + 2
Falling edge Rising edge
Figure 10.30 Count Timing in Internal Clock Operation
TCNT
TCNT
input clock
External clock
φ
N - 1 N N + 1 N + 2
Falling edge Rising edge Falling edge
Figure 10.31 Count Timing in External Clock Operation