Operation Timing; Input/Output Timing; Figure 12.30 Count Timing In Internal Clock Operation; Figure 12.31 Count Timing In External Clock Operation - Renesas H8S Series Hardware Manual

Section 12 16-Bit Timer Pulse Unit (TPU)
12.7

Operation Timing

12.7.1

Input/Output Timing

(1) TCNT Count Timing
Figure 12.30 shows TCNT count timing in internal clock operation, and figure 12.31 shows TCNT
count timing in external clock operation.
φ
Internal clock
TCNT
input clock
TCNT

Figure 12.30 Count Timing in Internal Clock Operation

φ
External clock
TCNT
input clock
TCNT

Figure 12.31 Count Timing in External Clock Operation

Rev. 3.00 Jul. 14, 2005 Page 360 of 986
REJ09B0098-0300
Falling edge
N-1 N
Falling edge
N-1 N
Rising edge
N+1
Rising edge Falling edge
N+1
N+2
N+2