h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 412

• 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)
Contention between Buffer Register Write and Compare Match: If a compare match occurs in
the T2 state of a TGR write cycle, the data transferred to TGR by the buffer operation will be the
data prior to the write.
Figure 10.52 shows the timing in this case.
Rev. 5.00 Sep 22, 2005 page 386 of 1136
REJ09B0257-0500
Address
Write signal
Compare
match signal
Buffer
register
TGR
Figure 10.52 Contention between Buffer Register Write and Compare Match
N
TGR write cycle
Buffer register
T1
address
T2
M
N
Buffer register write data