MC68HC708XL36 FREESCALE [Freescale Semiconductor, Inc], MC68HC708XL36 Datasheet - Page 83
MC68HC708XL36
Manufacturer Part Number
MC68HC708XL36
Description
HCMOS Microcontroller Unit
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC708XL36.pdf
(376 pages)
- Current page: 83 of 376
- Download datasheet (3Mb)
Contents
1-cgm1m_a
MOTOROLA
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
CGM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Phase-Locked Loop Circuit (PLL) . . . . . . . . . . . . . . . . . . . . . . . . . .88
Base Clock Selector Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
CGM External Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94
Crystal Amplifier Input Pin (OSC1) . . . . . . . . . . . . . . . . . . . . . . . . .96
Crystal Amplifier Output Pin (OSC2). . . . . . . . . . . . . . . . . . . . . . . .96
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . . . . . . . . . .96
Analog Power Pin (VDDA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Oscillator Enable Signal (SIMOSCEN) . . . . . . . . . . . . . . . . . . . . . .96
Crystal Output Frequency Signal (CGMXCLK) . . . . . . . . . . . . . . . .97
CGM Base Clock Output (CGMOUT) . . . . . . . . . . . . . . . . . . . . . . .97
CGM CPU Interrupt (CGMINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . .97
PLL Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .98
PLL Bandwidth Control Register (PBWC) . . . . . . . . . . . . . . . . . . .100
PLL Programming Register (PPG) . . . . . . . . . . . . . . . . . . . . . . . .102
Freescale Semiconductor, Inc.
For More Information On This Product,
Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .88
Acquisition and Tracking Modes . . . . . . . . . . . . . . . . . . . . . . . . .90
Manual and Automatic PLL Bandwidth Modes . . . . . . . . . . . . . .90
Programming the PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .92
Special Programming Exceptions . . . . . . . . . . . . . . . . . . . . . . . .93
Go to: www.freescale.com
CGM
Clock Generator Module
MC68HC708XL36
CGM
83
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APPENDIX A ELECTRICAL CHARACTERISTICS
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