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| MC68HC08AS32A Datasheet, PDF (268/296 Pages) Motorola, Inc – Microcontrollers | |||
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Freescale Semiconductor, Inc.
Development Support
CONDITIONS
FROM Table 17-1
DEBUGGING
AND EEPROM
PROGRAMMING
(IF EEPROM
IS ENABLED)
POR RESET
NO
IRQ = VTST?
NORMAL
USER MODE
YES
PTA0 = 1,
NO
PTC0 = 1, AND
PTC1 = 0?
YES
NORMAL
MONITOR MODE
INVALID
USER MODE
HOST SENDS
8 SECURITY BYTES
IS RESET
POR?
NO
YES
YES
ARE ALL
SECURITY BYTES
NO
CORRECT?
ENABLE ROM
DISABLE ROM
MONITOR MODE ENTRY
EXECUTE
MONITOR CODE
YES
DOES RESET
NO
OCCUR?
Figure 17-6. Simplified Monitor Mode Entry Flowchart
Data Sheet
268
Development Support
For More Information On This Product,
Go to: www.freescale.com
MC68HC08AS32A â Rev. 1
MOTOROLA
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