Datasheet

Section 9 16-Bit Timer Pulse Unit (TPU)
Rev.7.00 Feb. 14, 2007 page 372 of 1108
REJ09B0089-0700
9.6 Operation Timing
9.6.1 Input/Output Timing
TCNT Count Timing: Figure 9.34 shows TCNT count timing in internal clock operation, and
figure 9.35 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 9.34 Count Timing in Internal Clock Operation
TCNT
TCNT
input clock
External clock
φ
N−1 N N+1 N+2
Rising edge Falling edge
Falling edge
Figure 9.35 Count Timing in External Clock Operation