h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 411

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

Contention between TGR Write and Compare Match: If a compare match occurs in the T2
state of a TGR write cycle, the TGR write takes precedence and the compare match signal is
inhibited. A compare match does not occur even if the same value as before is written.
Figure 10.51 shows the timing in this case.
Address
Write signal
Compare
match signal
TCNT
TGR
Figure 10.51 Contention between TGR Write and Compare Match
TGR write data
N
N
TGR write cycle
TGR address
T1
T2
Rev. 5.00 Sep 22, 2005 page 385 of 1136
Section 10 16-Bit Timer Pulse Unit (TPU)
N+1
M
Prohibited
REJ09B0257-0500