HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 246

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Contention between TCOR Write and Compare Match: If a compare match is generated in the
T
and the compare match signal is inhibited. Figure 9.15 shows the timing.
238
3
state of a TCORA or TCORB write cycle, the write to TCORA or TCORB takes precedence
ø
Address
Internal write
signal
TCNTV
TCORA
Compare match
signal
Figure 9.15 Contention between TCORA Write and Compare Match
TCORA write cycle by CPU
T
1
TCORA address
N
N
T
2
T
3
N + 1
TCORA write data
M
Inhibited