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ST7LITE49K2 データシート(PDF) 46 Page - STMicroelectronics

部品番号 ST7LITE49K2
部品情報  Communication interfaces
PDF  245 Pages
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メーカー  STMICROELECTRONICS [STMicroelectronics]
ホームページ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITE49K2 データシート(HTML) 46 Page - STMicroelectronics

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Supply, reset and clock management
ST7LITE49K2
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7.3.5
Internal watchdog reset
The Reset sequence generated by an internal watchdog counter overflow is shown in
Figure 16: Reset sequences
Starting from the watchdog counter underflow, the device RESET pin acts as an output that
is pulled low during at least tw(RSTL)out.
Figure 16.
Reset sequences
tw(RSTL)out
RUN
RUN
WATCHDOG
RESET
INTERNAL RESET (256 or 4096 TCPU)
VECTOR FETCH
ACTIVE
PHASE
VDD
RUN
RESET PIN
EXTERNAL
WATCHDOG
ACTIVE PHASE
VIT+(LVD)
VIT-(LVD)
th(RSTL)in
RUN
WATCHDOG UNDERFLOW
RESET
RESET
SOURCE
EXTERNAL
RESET
LVD
RESET
ACTIVE
PHASE



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