mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 193

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Exit Stop w.
CMRESET
no
Stop Mode
SCME=1
Enter
SCM
Exit
?
yes
Exit Stop w.
ext.RESET
no
no
Figure 4-24. Stop Mode Entry/Exit Sequence
Stop Mode
Clock
Exit
INT
OK
?
?
due to external
yes
yes
Wait Mode left
MC9S12E256 Data Sheet, Rev. 1.08
no
(Wakeup from Stop)
SCM Interrupt
Generate
Continue w.
Stop Mode.
Disable PLL
Exit Stop w.
Stop Mode
CMRESET
normal OP
Core req’s
PLLSEL,
PSTP=1
Enter
Clear
?
yes
no
Stop Mode
SCMIE=1
SCME=1
Chapter 4 Clocks and Reset Generator (CRGV4)
CME=1
CM fail
Enter
SCM
Exit
?
?
?
?
yes
yes
yes
yes
no
no
no
Stop Mode
SCM=1
Enter
SCM
Exit
INT
?
?
yes
yes
no
no
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