mc9s12hz256v2 Freescale Semiconductor, Inc, mc9s12hz256v2 Datasheet - Page 191

• Manufacturer Part Number: mc9s12hz256v2
• Description: Hcs12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Disable PLL
Wait Mode.
Core req’s
PLLWAI=1
PLLSEL,
Clear
?
yes
no
core clocks
SYSWAI=1
CWAI or
Disable
?
yes
Figure 5-23. Wait Mode Entry/Exit Sequence
no
system clocks
SYSWAI=1
MC9S12HZ256 Data Sheet, Rev. 2.05
Disable
?
yes
due to external
Wait Mode left
reset
no
(Wakeup from Wait)
SCM Interrupt
Exit Wait w.
Exit Wait w.
Generate
CMRESET
ext.RESET
Wait Mode
Enter
no
Chapter 5 Clocks and Reset Generator (CRGV4)
Continue w.
SCMIE=1
Wait Mode
normal OP
SCME=1
CME=1
CM fail
Enter
SCM
Exit
?
?
?
?
yes
yes
yes
yes
no
no
no
Wait Mode
SCM=1
Enter
SCM
Exit
INT
?
?
no
yes
yes
no
191