314
9.7.2
Contention between 8TCNT Write and Increment
If an increment pulse occurs in the T
3
state of a 8TCNT write cycle, writing takes priority and
8TCNT is not incremented. Figure 9.19 shows the timing in this case.
φ
Address bus
8 TCNT address
Internal write signal
8TCNT input clock
8TCNT
N
M
T
1
T
3
T
2
8TCNT write cycle
8TCNT write data
Figure 9.19 Contention between 8TCNT Write and Increment
Содержание H8/3060
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