MC68HC908AS60MFN MOTOROLA [Motorola, Inc], MC68HC908AS60MFN Datasheet - Page 155
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MC68HC908AS60MFN
Manufacturer Part Number
MC68HC908AS60MFN
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908AS60MFN.pdf
(454 pages)
- Current page: 155 of 454
- Download datasheet (6Mb)
10.1 Contents
MC68HC908AS60 — Rev. 1.0
MOTOROLA
Technical Data — MC68HC908AS60
10.2
10.3
10.4
10.4.1
10.4.2
10.4.2.1
10.4.2.2
10.4.2.3
10.4.2.4
10.4.2.5
10.4.3
10.4.4
10.5
10.5.1
10.5.2
10.5.3
10.5.4
10.5.5
10.5.6
10.5.7
10.5.8
10.6
10.6.1
10.6.2
10.6.3
10.7
Section 10. Clock Generator Module (CGM)
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
CGM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Phase-Locked Loop Circuit (PLL) . . . . . . . . . . . . . . . . . . . 159
Base Clock Selector Circuit . . . . . . . . . . . . . . . . . . . . . . . . 165
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . . . 166
Crystal Amplifier Input Pin (OSC1) . . . . . . . . . . . . . . . . . . .167
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . . . . 167
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . . . . 167
Analog Power Pin (V
Oscillator Enable Signal (SIMOSCEN). . . . . . . . . . . . . . . . 168
Crystal Output Frequency Signal (CGMXCLK) . . . . . . . . .168
CGM Base Clock Output (CGMOUT). . . . . . . . . . . . . . . . . 168
CGM CPU Interrupt (CGMINT) . . . . . . . . . . . . . . . . . . . . . 168
PLL Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
PLL Bandwidth Control Register . . . . . . . . . . . . . . . . . . . . 171
PLL Programming Register . . . . . . . . . . . . . . . . . . . . . . . . 173
Clock Generator Module (CGM)
Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Acquisition and Tracking Modes . . . . . . . . . . . . . . . . . .161
Programming the PLL . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Special Programming Exceptions . . . . . . . . . . . . . . . . . 165
Manual and Automatic PLL Bandwidth Modes . . . . . . . 161
Go to: www.freescale.com
DDA
) . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Technical Data
155
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