HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 181

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HD6433308

Manufacturer Part Number
HD6433308
Description
Hitachi Single-Chip MicroComputer
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet

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(2) Contention between TCNT Write and Increment: If a timer counter increment pulse is
generated during the T
timer counter is not incremented.
Figure 7-14 shows this type of contention.
(3) Contention between TCOR Write and Compare-Match: If a compare-match occurs during
the T
match signal is inhibited.
Figure 7-15 shows this type of contention.
3
state of a write cycle to TCORA or TCORB, the write takes precedence and the compare-
3
Internal Address
bus
Internal write
signal
TCNT clock
pulse
TCNT
Figure 7-14. TCNT Write-Increment Contention
state of a write cycle to the timer counter, the write takes priority and the
Ø
Write cycle: CPU writes to TCNT
T
1
167
N
TCNT address
T
2
Write data
T
3
Figure 7-14
M

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