mc68hc908gt8 Freescale Semiconductor, Inc, mc68hc908gt8 Datasheet - Page 244

• Manufacturer Part Number: mc68hc908gt8
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Development Support
244
PROGRAMMING
FROM
IS ENABLED)
DEBUGGING
CONDITIONS
AND FLASH
(IF FLASH
Table 19-1
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
MONITOR MODE
Figure 19-9. Simplified Monitor Mode Entry Flowchart
PTA0 = 1,
FORCED
BLANK?
RESET
YES
YES
NO
NO
MONITOR MODE ENTRY
MONITOR CODE
SEND 8 BYTES
DOES RESET
USER MODE
SECURITY
IS RESET
EXECUTE
POR RESET
IRQ = V
OCCUR?
NORMAL
POR?
NO
TST
?
YES
NO
YES
ENABLE FLASH
PTA0 = 1, PTC0 = 1,
MONITOR MODE
PTC1 = 0, AND
PTC3 = 1?
NORMAL
YES
YES
SECURITY BYTES
CORRECT?
ARE ALL
NO
Freescale Semiconductor
USE ONLY
FACTORY
DISABLE FLASH
NO