D12320VF25V Datasheet, PDF (406/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 9 16-Bit Timer Pulse Unit (TPU)
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.
φ
Internal clock
Falling edge
Rising edge
TCNT
input clock
TCNT
N−1
N
N+1
N+2
Figure 9.34 Count Timing in Internal Clock Operation
φ
External clock
Falling edge
Rising edge
Falling edge
TCNT
input clock
TCNT
N−1
N
N+1
N+2
Figure 9.35 Count Timing in External Clock Operation
Rev.7.00 Feb. 14, 2007 page 372 of 1108
REJ09B0089-0700