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ST52T400FMPY Datasheet(PDF) 45 Page - STMicroelectronics

Part # ST52T400FMPY
Description  8-BIT INTELLIGENT CONTROLLER UNIT ICU Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG
PDF  94 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST52T400FMPY Datasheet(HTML) 45 Page - STMicroelectronics

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ST52T400/T440/E440/T441
45/94
Figure 5.4 HALT Flow Chart
HALT INSTRUCTION
WATCHDOG
ENABLED
HALT INSTRUCTION
SKIPPED
YES
NO
OSCILLATOR
OFF
PERIPHERALS CLOCK
OFF
CPU CLOCK
OFF
YES
4096 CPU CLOCK
CYCLES DELAY
RESTART PROGRAM
SERVICING THE
EXTERNAL
INTERRUPT ROUTINE
EXTERNAL
INTERRUPT
NO
YES
NO
EXTERNAL
INTERRUPT
ENABLED
RESTART PROGRAM
SERVICING THE
LOWER PRIORITY
INTERRUPT ROUTINE
YES
NO
RESET
RESET CPU
AND RESTART
USER PROGRAM
OSCILLATOR
ON
PERIPHERALS CLOCK
ON
CPU CLOCK
ON
1000000 CPU CLOCK
CYCLES DELAY
OSCILLATOR
ON
PERIPHERALS CLOCK
ON
CPU CLOCK
ON



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