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MC68HC908AP64CB Просмотр технического описания (PDF) - Motorola => Freescale

Номер в каталоге
Компоненты Описание
производитель
MC68HC908AP64CB
Motorola
Motorola => Freescale Motorola
MC68HC908AP64CB Datasheet PDF : 440 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Table of Contents
Freescale Semiconductor, Inc.
Data Sheet
10
8.3.9 CGM External Connections . . . . . . . . . . . . . . . . . . . . . . . . 114
8.4 I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
8.4.1 External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . . . . 115
8.4.2
8.4.3
8.4.4
PLL Analog Power Pin (VDDA) . . . . . . . . . . . . . . . . . . . . . . 115
PLL Analog Ground Pin (VSSA) . . . . . . . . . . . . . . . . . . . . . 115
Oscillator Output Frequency Signal (CGMXCLK) . . . . . . . 115
8.4.5 CGM Reference Clock (CGMRCLK) . . . . . . . . . . . . . . . . . 115
8.4.6 CGM VCO Clock Output (CGMVCLK) . . . . . . . . . . . . . . . . 116
8.4.7 CGM Base Clock Output (CGMOUT). . . . . . . . . . . . . . . . . 116
8.4.8 CGM CPU Interrupt (CGMINT) . . . . . . . . . . . . . . . . . . . . . 116
8.5 CGM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
8.5.1 PLL Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
8.5.2 PLL Bandwidth Control Register . . . . . . . . . . . . . . . . . . . .119
8.5.3 PLL Multiplier Select Registers . . . . . . . . . . . . . . . . . . . . . 121
8.5.4 PLL VCO Range Select Register . . . . . . . . . . . . . . . . . . . .122
8.5.5 PLL Reference Divider Select Register . . . . . . . . . . . . . . . 123
8.6 Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
8.7 Special Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
8.7.1 Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124
8.7.2 Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
8.7.3 CGM During Break Interrupts. . . . . . . . . . . . . . . . . . . . . . . 125
8.8 Acquisition/Lock Time Specifications . . . . . . . . . . . . . . . . . . . 126
8.8.1 Acquisition/Lock Time Definitions. . . . . . . . . . . . . . . . . . . .126
8.8.2 Parametric Influences on Reaction Time . . . . . . . . . . . . . . 126
8.8.3 Choosing a Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Section 9. System Integration Module (SIM)
9.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
9.2 SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . . 131
9.2.1 Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
9.2.2 Clock Start-up from POR or LVI Reset. . . . . . . . . . . . . . . . 132
9.2.3 Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . . . 133
9.3 Reset and System Initialization. . . . . . . . . . . . . . . . . . . . . . . . 133
9.3.1 External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
MC68HC908AP Family — Rev. 2.5
For More Information On This Product,
Go to: www.freescale.com
MOTOROLA

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