st52t430 STMicroelectronics, st52t430 Datasheet - Page 34

• Manufacturer Part Number: st52t430
• Description: 8-bit Intelligent Controller Unit Icu Three Timer/pwms, Adc, Sci
• Manufacturer: STMicroelectronics

Figure 5.5 HALT Flow Chart
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OSCILLATOR
PERIPHERALS CLOCK
CPU CLOCK
1000000 CPU CLOCK
USER PROGRAM
CYCLES DELAY
AND RESTART
HALT INSTRUCTION
NO
RESET CPU
RESET
SKIPPED
YES
OSCILLATOR
PERIPHERALS CLOCK
CPU CLOCK
YES
ON
ON
ON
NO
HALT INSTRUCTION
WATCHDOG
INTERRUPT ROUTINE
INTERRUPT
RESTART PROGRAM
EXTERNAL
ENABLED
LOWER PRIORITY
SERVICING THE
NO
OSCILLATOR
PERIPHERALS CLOCK
CPU CLOCK
NO
YES
OFF
OFF
OFF
4096 CPU CLOCK
CYCLES DELAY
INTERRUPT
EXTERNAL
ENABLED
INTERRUPT ROUTINE
RESTART PROGRAM
SERVICING THE
YES
EXTERNAL
ON
ON
ON