MC9S12DG256C FREESCALE [Freescale Semiconductor, Inc], MC9S12DG256C Datasheet - Page 69

• Manufacturer Part Number: MC9S12DG256C
• Description: device made up of standard HCS12 blocks and the HCS12 processor core
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Section 3 System Clock Description
3.1 Overview
The Clock and Reset Generator provides the internal clock signals for the core and all peripheral modules.
Figure 3-1 shows the clock connections from the CRG to all modules.
Consult the CRG Block User Guide for details on clock generation.
EXTAL
XTAL
CRG
Freescale Semiconductor, Inc.
bus clock
oscillator clock
For More Information On This Product,
Figure 3-1 Clock Connections
Go to: www.freescale.com
1/2
core clock
MC9S12DP256B Device User Guide — V02.15
BDM
CAN0, 1, 2, 3, 4
S12_CORE
SCI0, SCI1
SPI0, 1, 2
EEPROM
ATD0, 1
BDLC
Flash
PWM
RAM
ECT
PIM
IIC
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