XC68HC08KH12 Motorola, XC68HC08KH12 Datasheet - Page 87
XC68HC08KH12
Manufacturer Part Number
XC68HC08KH12
Description
MICROCONTROLLER
Manufacturer
Motorola
Datasheet
1.XC68HC08KH12.pdf
(262 pages)
- Current page: 87 of 262
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8.1 Contents
MC68HC(7)08KH12
MOTOROLA
Advance Information — MC68HC(7)08KH12
—
Rev. 1.0
Section 8. Clock Generator Module (CGM)
8.2
8.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.4.5
8.4.6
8.4.7
8.4.8
8.4.9
8.5
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6
8.5.7
8.5.8
8.5.9
8.5.10
8.5.11
8.6
8.6.1
8.6.2
8.6.3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
CGM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Phase-Locked Loop Circuit (PLL) . . . . . . . . . . . . . . . . . . . . 91
PLL Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Acquisition and Tracking Modes . . . . . . . . . . . . . . . . . . . . . 93
Manual and Automatic PLL Bandwidth Modes . . . . . . . . . . 93
Programming the PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Special Programming Exceptions . . . . . . . . . . . . . . . . . . . . 95
Base Clock Selector Circuit. . . . . . . . . . . . . . . . . . . . . . . . . 96
CGM External Connections. . . . . . . . . . . . . . . . . . . . . . . . . 96
Crystal Amplifier Input Pin (OSC1) . . . . . . . . . . . . . . . . . . . 98
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . . . . . 98
External Filter Capacitor Pin (CGMXFC). . . . . . . . . . . . . . . 98
PLL Analog Power Pin (V
PLL Analog Ground Pin (V
Buffered Crystal Clock Output (CGMVOUT) . . . . . . . . . . . . 99
CGMVSEL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Oscillator Enable Signal (SIMOSCEN) . . . . . . . . . . . . . . . . 99
Crystal Output Frequency Signal (CGMXCLK) . . . . . . . . . . 99
CGM Base Clock Output (CGMOUT) . . . . . . . . . . . . . . . . . 99
CGM CPU Interrupt (CGMINT) . . . . . . . . . . . . . . . . . . . . . . 99
PLL Control Register (PCTL) . . . . . . . . . . . . . . . . . . . . . . 102
PLL Bandwidth Control Register (PBWC) . . . . . . . . . . . . . 104
PLL Multiplier Select Registers (PMSH:PMSL). . . . . . . . . 105
Clock Generator Module (CGM)
DDA
SSA
) . . . . . . . . . . . . . . . . . . . . . . 98
) . . . . . . . . . . . . . . . . . . . . . . 98
Advance Information
87
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