HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 192

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HD6433044

Manufacturer Part Number
HD6433044
Description
(HD64 Series) Hitachi Single-Chip Microcomputer
Manufacturer
Hitachi Semiconductor
Datasheet

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Contention between RTCNT Write and Counter Clear: If a counter clear signal occurs in the
T
performed. See figure 7-20.
3
state of an RTCNT write cycle, clearing of the counter takes priority and the write is not
ø
Address bus
Internal
write signal
Counter
clear signal
RTCNT
Figure 7-20 Contention between RTCNT Write and Clear
RTCNT write cycle by CPU
T
1
RTCNT address
N
178
T
2
T
3
H'00

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