SH7641 Datasheet, PDF (669/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 18 Multi-Function Timer Pulse Unit (MTU)
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
Falling edge
Rising edge
TCNT input
clock
TCNT
N-1
N
N+1
N+2
Figure 18.54 Count Timing in Internal Clock Operation
Pφ
External clock
Falling edge
Rising edge
Falling edge
TCNT input
clock
TCNT
N-1
N
N+1
N+2
Figure 18.55 Count Timing in External Clock Operation
Rev. 4.00 Sep. 14, 2005 Page 619 of 982
REJ09B0023-0400