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11.3.4
Application Notes
The following types of contention can occur in timer V operation.
Contention between TCNTV Write and Counter Clear: If a TCNTV clear signal is generated
in the T
state of a TCNTV write cycle, clearing takes precedence and the write to the counter is
3
not carried out. Figure 11.11 shows the timing.
TCNTV write cycle by CPU
T
T
T
1
2
3
ø
Address
TCNTV address
Internal write signal
Counter clear signal
TCNTV
N
H'00
Figure 11.11 Contention between TCNTV Write and Clear
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