Hitachi H8/3035 Series Hardware Manual page 253

Contention between TCNT Word Write and Increment: If an increment pulse occurs in the
T state of a TCNT word write cycle, writing takes priority and TCNT is not incremented. See
3
figure 8-62.
ø
Address
Internal write signal
TCNT input clock
TCNT
Figure 8-62 Contention between TCNT Word Write and Increment
TCNT word write cycle
T T T
1 2 3
TCNT address
N
TCNT write data
M
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