Operation Timing; Input/Output Timing - Renesas H8S/2100 Series Hardware Manual

Section 10 16-Bit Timer Pulse Unit (TPU)
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.
φ
Internal clock
TCNT
input clock
TCNT
Figure 10.30 Count Timing in Internal Clock Operation
φ
External clock
TCNT
input clock
TCNT
Figure 10.31 Count Timing in External Clock Operation
Rev. 1.00 Apr. 28, 2008 Page 290 of 994
REJ09B0452-0100
Falling edge
N - 1 N
Falling edge
N - 1 N
Rising edge
N + 1
Rising edge Falling edge
N + 1
N + 2
N + 2