Operation Timing; Input/Output Timing; Figure 18.54 Count Timing In Internal Clock Operation; Figure 18.55 Count Timing In External Clock Operation - Renesas HD6417641 Hardware Manual

18.6

Operation Timing

18.6.1

Input/Output Timing

TCNT Count Timing: Figure 18.54 shows TCNT count timing in internal clock operation, and
figure 18.55 shows TCNT count timing in external clock operation (normal mode), and figure
18.56 shows TCNT count timing in external clock operation (phase counting mode).
Pφ
Internal clock
TCNT input
clock
TCNT

Figure 18.54 Count Timing in Internal Clock Operation

Pφ
External clock
TCNT input
clock
TCNT

Figure 18.55 Count Timing in External Clock Operation

Falling edge
N-1 N
Falling edge
N-1 N
Section 18 Multi-Function Timer Pulse Unit (MTU)
Rising edge
N+1
Rising edge Falling edge
N+1
Rev. 4.00 Sep. 14, 2005 Page 619 of 982
N+2
N+2
REJ09B0023-0400