Datasheet

Chapter 11 S12XE Clocks and Reset Generator (S12XECRGV1)
MC9S12XE-Family Reference Manual Rev. 1.25
494 Freescale Semiconductor
Figure 11-19. Fast Wake-up from Full Stop Mode: Example 1
.
Figure 11-20. Fast Wake-up from Full Stop Mode: Example 2
11.5 Resets
All reset sources are listed in Table 11-16. Refer to MCU specification for related vector addresses and
priorities.
Table 11-16. Reset Summary
Reset Source Local Enable
Power on Reset None
Low Voltage Reset None
External Reset None
Illegal Address Reset None
Clock Monitor Reset PLLCTL (CME=1, SCME=0)
Oscillator Clock
PLL Clock
Core Clock
Instruction
STOP
IRQ service
FSTWKP=1
IRQ service
STOP STOP
IRQ service
Oscillator Disabled
Power Saving
Self-Clock Mode
SCME=1
CPU resumes program execution immediately
Interrupt Interrupt Interrupt
Oscillator Clock
PLL Clock
Core Clock
Instruction
Clock Quality Check
STOP
IRQ Service
FSTWKP=1
IRQ Interrupt
FSTWKP=0
SCMIE=1
Osc StartupOscillator Disabled
CPU resumes program execution immediately
Self-Clock Mode
SCME=1
Frequent Uncritical
Instructions
Frequent Critical
Instructions Possible
SCM Interrupt