XC908AS60ACFU Motorola Semiconductor Products, XC908AS60ACFU Datasheet - Page 169
XC908AS60ACFU
Manufacturer Part Number
XC908AS60ACFU
Description
MC68HC908AZ60A, MC68HC908AS60A Hcmos Microcontroller Unit Technical Data
Manufacturer
Motorola Semiconductor Products
Datasheet
1.XC908AS60ACFU.pdf
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Technical Data — MC68HC908AZ60A
10.1 Contents
MC68HC908AZ60A — Rev 2.0
MOTOROLA
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
10.8
Section 10. Clock Generator Module (CGM)
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . .171
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
CGM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . 171
Phase-Locked Loop Circuit (PLL). . . . . . . . . . . . . . . . . . 173
Base Clock Selector Circuit . . . . . . . . . . . . . . . . . . . . . . 179
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . . 180
Crystal Amplifier Input Pin (OSC1) . . . . . . . . . . . . . . . . . 181
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . . 181
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . .181
Analog Power Pin (V
Oscillator Enable Signal (SIMOSCEN) . . . . . . . . . . . . . . 182
Crystal Output Frequency Signal (CGMXCLK) . . . . . . . 182
CGM Base Clock Output (CGMOUT) . . . . . . . . . . . . . . . 182
CGM CPU Interrupt (CGMINT) . . . . . . . . . . . . . . . . . . . . . 182
PLL Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
PLL Bandwidth Control Register . . . . . . . . . . . . . . . . . . 185
PLL Programming Register. . . . . . . . . . . . . . . . . . . . . . . 187
Clock Generator Module (CGM)
Circuits
Acquisition and Tracking Modes
Manual and Automatic PLL Bandwidth Modes
Programming the PLL
Special Programming Exceptions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DDA
). . . . . . . . . . . . . . . . . . . . . . . . . 182
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Technical Data
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