MC9S12XDP512CFU
Model | MC9S12XDP512CFU |
Description | 16-BIT, FLASH, 40MHz, MICROCONTROLLER, PQFP80 |
PDF file | Total 1348 pages (File size: 8M) |
Chip Manufacturer | PHILIPS |
Chapter 2 Clocks and Reset Generator (S12CRGV6)
CPU resumes program execution immediately
Instruction
FSTWKP=1
SCME=1 STOP
IRQ Service STOP
Interrupt
IRQ Service STOP
Interrupt
IRQ Service
Interrupt
Power Saving
Oscillator Clock
Oscillator Disabled
PLL Clock
Core Clock
Self-Clock Mode
Figure 2-23. Fast Wake-up from Full Stop Mode: Example 1
.
CPU resumes program execution immediately
Instruction
FSTWKP=1 SCME=1 STOP
IRQ Service FSTWKP=0
IRQ Interrupt
SCMIE=1
Freq. Uncritical
Instructions
Freq. Critical
Instr. Possible
SCM Interrupt
Clock Quality Check
Oscillator Disabled
OSC Startup
Oscillator Clock
PLL Clock
Self-Clock Mode
Core Clock
Figure 2-24. Fast Wake-up from Full Stop Mode: Example 2
MC9S12XDP512 Data Sheet, Rev. 2.21
112
Freescale Semiconductor