M68ICS08GR datasheet(111/408 Pages) FREESCALE

부품명	M68ICS08GR

상세설명	M68HC08 Microcontrollers

PDF	408 Pages

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제조업체	FREESCALE [Freescale Semiconductor, Inc]

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Clock Generator Module (CGMC)

Functional Description

MC68HC908GR8 — Rev 4.0

Technical Data

MOTOROLA

Clock Generator Module (CGMC)

111

The series resistor (RS) is included in the diagram to follow strict Pierce

oscillator guidelines. Refer to the crystal manufacturer’s data for more

information regarding values for C1 and C2.

Figure 7-2 also shows the external components for the PLL:

•

Bypass capacitor, CBYP

•

Filter network

Routing should be done with great care to minimize signal cross talk and

noise.

See CGM Component Specifications for capacitor and resistor values.

Figure 7-2. CGMC External Connections

OSC1

SIMOSCEN

CGMXCLK

CBYP

OSC2

CGMXFC

VDDA

Note: Filter network in box can be replaced with a 0.47

µF capacitor, but will degrade stability.

VDD

OSCSTOPENB

(FROM CONFIG)

10 k

0.01

µF

0.033

µF

VSSA

0.1

µF

Freescale Semiconductor, Inc.

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