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Where
f
: Counter frequency
φ
: Operating frequency
N : TGR set value
10.9.4
Conflict between TCNT Write and Clear Operations
If the counter clear signal is generated in the T2 state of a TCNT write cycle, TCNT clearing
takes precedence and the TCNT write is not performed.
Figure 10.45 shows the timing in this case.
Counter clear
signal
Write signal
Address
φ
TCNT address
TCNT
TCNT write cycle
T1
T2
N
H'0000
Figure 10.45 Conflict between TCNT Write and Clear Operations
Summary of Contents for H8S/2627
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