st52f513 STMicroelectronics, st52f513 Datasheet - Page 49

• Manufacturer Part Number: st52f513
• Description: 8-bit Microcontrollers
• Manufacturer: STMicroelectronics

Figure 6.4 HALT Flow Chart
OSCILLATOR
PERIPHERALS CLOCK
CPU CLOCK
4096 INTERNAL CLOCK
4096 X (WAKEUP+1)
USER PROGRAM
CLOCK CYCLES
CYCLES DELAY
AND RESTART
HALT INSTRUCTION
NO
RESET CPU
INTERNAL
CLOCK ?
RESET
DELAY
SKIPPED
YES
NO
OSCILLATOR
PERIPHERALS CLOCK
CPU CLOCK
YES
YES
ON
ON
ON
NO
HALT INSTRUCTION
WATCHDOG
NMI or PORT
INTERRUPT
ENABLED
NO
YES
OSCILLATOR
PERIPHERALS CLOCK
CPU CLOCK
OFF
OFF
OFF
YES
4096 INTERNAL CLOCK
INTERRUPT ROUTINE
RESTART PROGRAM
4096 X (WAKEUP+1)
PORT INTERRUPT
CYCLES DELAY
CLOCK CYCLES
SERVICING THE
INTERNAL
NO
CLOCK ?
MASKED
DELAY
ST52510xx ST52513xx
YES
NO
ON
ON
ON
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