H8S-2355 Datasheet, PDF (391/880 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer

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
Figure 9.34 Count Timing in Internal Clock Operation
N+2
φ
External clock
Falling edge
Rising edge
Falling edge
TCNT
input clock
TCNT
N–1
N
N+1
Figure 9.35 Count Timing in External Clock Operation
N+2
Rev.4.00 Feb. 13, 2007 Page 361 of 846
REJ09B0354-0400