HD6417021 Hitachi Semiconductor, HD6417021 Datasheet - Page 302

• Manufacturer Part Number: HD6417021
• Description: SuperH RISC engine
• Manufacturer: Hitachi Semiconductor

10.6.4
If a compare match occurs in the T3 state of a general register (GR) write cycle, writing takes
priority and the compare match signal is inhibited. The timing is shown in figure 10.61.
288 HITACHI
Figure 10.61 Contention between General Register Write and Compare Match
Contention between GR Write and Compare Match
match signal
write signal
Compare
Address
Internal
TCNT
GR
CK
T1
GR write cycle
N
N
GR address
T2
GR write data
T3
N + 1
M
Inhibited