h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 400

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 10 16-Bit Timer Pulse Unit (TPU)
10.6
10.6.1
TCNT Count Timing: Figure 10.34 shows TCNT count timing in internal clock operation, and
figure 10.35 shows TCNT count timing in external clock operation.
Rev. 5.00 Sep 22, 2005 page 374 of 1136
REJ09B0257-0500
Internal clock
TCNT
input clock
TCNT
External clock
TCNT
input clock
TCNT
Operation Timing
Input/Output Timing
Figure 10.35 Count Timing in External Clock Operation
Figure 10.34 Count Timing in Internal Clock Operation
Falling edge
N–1
N–1
Falling edge
N
N
Rising edge
Rising edge
N+1
N+1
Falling edge
N+2
N+2