MC9S12D64 Motorola, MC9S12D64 Datasheet - Page 65

• Manufacturer Part Number: MC9S12D64
• Description: MC9S12DJ64 Device User Guide V01.17
• Manufacturer: Motorola

Section 3 System Clock Description
3.1 Overview
The Clock and Reset Generator provides the internal clock signals for the HCS12 Core and all peripheral
modules. Figure 3-1 shows the clock connections from the CRG to all modules.
Consult the CRG Block User Guide and OSC Block User Guide for details on clock generation.
EXTAL
XTAL
OSC
CRG
Bus Clock
Oscillator Clock
Figure 3-1 Clock Connections
Core Clock
MC9S12DJ64 Device User Guide — V01.17
HCS12 CORE
MEBI
BDM
SCI0, SCI1
INT
EEPROM
ATD0, 1
CAN0
BDLC
Flash
PWM
SPI0
RAM
ECT
PIM
IIC
MMC
BKP
CPU
65