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6.4.2
Manual Reset Output
When RESETMI# is asserted, it means the manual reset is occurred. The manual reset signal from
HD64465, RESETMO#, is connected to CPU manual reset input. For SH-4 and SH-3 CPU, the
manual reset mechanism is different. Figure 6-5 shows the manual reset timing for SH-4 CPU and
Figure 6-6 shows the manual reset timing for SH-3 CPU.
tM2PS
RESETMI#
RESETPO#
RESETMO#
tMARST
tM2PH
Figure 6.5 SH4 Manual Reset Diagram, tM2PS=tM2PH=80ns, tMARST=10ms
RESETMI#
RESETPO#
RESETMO#
tMARST
Figure 6.6 SH3 Manual Reset Diagram, tMARST=10ms
•
CAUTION
HD64465 dosen’t have manual reset function for itself. Please be sure that manual reset will
not initialize any register in HD64465.
Содержание HD64465
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