HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 381

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

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 9.52 shows the timing in this case.
364
ø
Address
Write signal
Compare
match signal
Buffer
register
TGR
Figure 9.52 Contention between Buffer Register Write and Compare Match
N
TGR write cycle
Buffer register
T1
address
T2
M
N
Buffer register write data