φ
Address
Internal write signal
TCNT input clock
TCNT
Figure 12.11 Contention between TCNT Write and Increment
12.8.3
Contention between TCOR Write and Compare Match
During the T
state of a TCOR write cycle, the TCOR write has priority and the compare match
2
signal is inhibited even if a compare match event occurs as shown in figure 12.12.
TCNT write cycle by CPU
T
T
1
TCNT address
N
2
M
Counter write data
Rev. 2.00, 05/03, page 489 of 820