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ST72334J 数据表(PDF) 29 Page - STMicroelectronics

部件名 ST72334J
功能描述  8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
PDF  125 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST72334J 数据表(HTML) 29 Page - STMicroelectronics

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ST72334J/N, ST72314J/N, ST72124J
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RESET SEQUENCE MANAGER (Cont’d)
Internal Watchdog RESET
The RESET sequence generated by a internal
Watchdog counter overflow is shown in Figure 18.
Starting from the Watchdog counter underflow, the
device RESET pin acts as an output that is pulled
low during at least tDELAYmin.
Figure 18. Watchdog RESET Sequence
RESET
RUN
DELAY
INTERNAL RESET
4096 CLOCK CYCLES
FETCH
VECTOR
RUN
RESET PIN
EXTERNAL RESET SOURCE
VDD
VLVDf
VDDnominal
WATCHDOG RESET
WATCHDOG UNDERFLOW
tDELAYmin



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