HD6432621 Hitachi, HD6432621 Datasheet - Page 408

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

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.
364
ø
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