S912XEG128J2VAL
Model | S912XEG128J2VAL |
Description | IC,MICROCONTROLLER,16-BIT,CPU12 CPU,CMOS,QFP,112PIN,PLASTIC |
PDF file | Total 1327 pages (File size: 7M) |
Chip Manufacturer | ROCHESTER |
Chapter 11 S12XE Clocks and Reset Generator (S12XECRGV1)
CPU resumes program execution immediately
Instruction
STOP
FSTWKP=1 SCME=1
IRQ service
Interrupt
STOP
IRQ service
Interrupt
Power Saving
Oscillator Clock
Oscillator Disabled
PLL Clock
Core Clock
Self-Clock Mode
Interrupt
STOP
IRQ service
Because of an order from the United States International Trade Commission, BGA-packaged product lines and part numbers indicated here currently are not
available from Freescale for import or sale in the United States prior to September 2010: S12XE products in 208 MAPBGA packages
Figure 11-19. Fast Wake-up from Full Stop Mode: Example 1
.
CPU resumes program execution immediately
Instruction
STOP
FSTWKP=1 SCME=1
IRQ Interrupt FSTWKP=0 SCMIE=1
IRQ Service
Frequent Uncritical
Frequent Critical
Instructions
Instructions Possible
SCM Interrupt
Oscillator Clock
Oscillator Disabled Osc Startup
PLL Clock
Core Clock
Self-Clock Mode
Clock Quality Check
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.
Reset Source
Power on Reset
Low Voltage Reset
External Reset
Illegal Address Reset
Clock Monitor Reset
Local Enable
None
None
None
None
PLLCTL (CME=1, SCME=0)
MC9S12XE-Family Reference Manual , Rev. 1.19
492
Freescale Semiconductor