MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 11
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MC68HC908AZ32ACFU
Manufacturer Part Number
MC68HC908AZ32ACFU
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908AZ32ACFU.pdf
(468 pages)
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68HC908AZ32A — Rev 0.0
MOTOROLA
7.6
7.6.1
7.6.2
7.6.3
7.6.4
7.7
7.7.1
7.7.2
7.8
7.8.1
7.8.2
7.8.3
8.1
8.2
8.3
8.4
8.4.1
8.4.2
8.4.2.1
8.4.2.2
8.4.2.3
8.4.2.4
8.4.2.5
8.4.3
8.4.4
8.5
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6
Freescale Semiconductor, Inc.
For More Information On This Product,
Program Exception Control. . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128
SIM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127
Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . 128
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
SIM Break Status Register . . . . . . . . . . . . . . . . . . . . . . . . . 132
SIM Reset Status Register . . . . . . . . . . . . . . . . . . . . . . . . 133
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . . . . 134
Section 8. Clock Generator Module (CGM)
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Phase-Locked Loop Circuit (PLL) . . . . . . . . . . . . . . . . . . .139
Base Clock Selector Circuit . . . . . . . . . . . . . . . . . . . . . . . . 145
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . . . 146
Crystal Amplifier Input Pin (OSC1). . . . . . . . . . . . . . . . . . . 147
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . . . . 147
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . . . . 147
Analog Power Pin (V
Oscillator Enable Signal (SIMOSCEN). . . . . . . . . . . . . . . . 148
Crystal Output Frequency Signal (CGMXCLK) . . . . . . . . . 148
Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Acquisition and Tracking Modes . . . . . . . . . . . . . . . . . . 141
Manual and Automatic PLL Bandwidth Modes . . . . . . . 141
Programming the PLL . . . . . . . . . . . . . . . . . . . . . . . . . .143
Special Programming Exceptions . . . . . . . . . . . . . . . . . 145
Go to: www.freescale.com
Table of Contents
DDA
) . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Advance Information
Table of Contents
11
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