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)
2.1.3
Block Diagram
Figure 2-1
shows a block diagram of the CRG.
Illegal Address Reset
Power on Reset
Low Voltage Reset
S12X_MMC
Voltage
Regulator
CRG
RESET
Clock
Monitor
CM fail
COP Timeout
Reset
Generator
Clock Quality
Checker
COP
RTI
System Reset
XCLKS
EXTAL
XTAL
OSCCLK
Oscillator
Bus Clock
Core Clock
Oscillator Clock
Registers
XFC
V
DDPLL
V
SSPLL
PLLCLK
PLL
Clock and Reset
Control
Real Time Interrupt
PLL Lock Interrupt
Self Clock Mode
Interrupt
Figure 2-1. CRG Block Diagram
MC9S12XDP512 Data Sheet, Rev. 2.21
Freescale Semiconductor
81