h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 440

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 10 16-Bit Timer Pulse Unit (TPU)
Contention between TCNT Write and Increment Operations: If incrementing occurs in the T
state of a TCNT write cycle, the TCNT write takes precedence and TCNT is not incremented.
Figure 10-50 shows the timing in this case.
Rev. 6.00 Feb 22, 2005 page 380 of 1484
REJ09B0103-0600
φ
Address
Write signal
TCNT input
clock
TCNT
Figure 10-50 Contention between TCNT Write and Increment Operations
TCNT write data
N
TCNT write cycle
TCNT address
T
1
T
2
M
2