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HD404339FS датащи(PDF) 23 Page - Renesas Technology Corp

номер детали HD404339FS
подробное описание детали  microcomputer with large-capacity memory designed to
PDF  80 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD404339FS датащи(HTML) 23 Page - Renesas Technology Corp

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HD404339 Series
21
In stop mode, the system oscillator is stopped. To ensure a proper oscillation stabilization period of at least
t
RC when clearing stop mode, execute the cancellation according to the timing chart in figure 12.
In watch and subactive modes, a timer A or
INT
0 interrupt can be accepted during the interrupt frame
period T (see figure 13).
Note:
In watch and subactive modes, an interrupt will not be properly detected if the
INT
0 high or low
level period is shorter than the interrupt frame period T. Thus, when operating in watch and
subactive modes, maintain the
INT
0 high or low level period longer than period T to ensure
interrupt detection.
,




,









,

,





Stop mode
Oscillator
Internal
clock
STOP instruction execution
tres ≥ tRC (stabilization period)
tres
RESET
or
STOPC
Figure 12 Timing of Stop Mode Cancellation
Active mode
Interrupt strobe
Watch mode
Oscillation
stabilization
period
Active mode
T
t
RC
T:
t
:
RC
Interrupt frame length
Oscillation stabilization period
INT0
Interrupt request
generation
(During the transition
from watch mode to
active mode only)
Tx
T
T + tRC ≤ TX ≤ 2T + tRC
Figure 13 Interrupt Frame



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