MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 101

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MC68HC908QY2

Manufacturer Part Number
MC68HC908QY2
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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8.1 Contents
MOTOROLA
Data Sheet — MC68HC908QY4
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
8.2
8.3
8.4
8.4.1
8.4.1.1
8.4.1.2
8.4.2
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
8.5.7
8.5.8
8.6
8.6.1
8.6.2
8.7
8.8
8.9
8.9.1
8.9.2
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Oscillator Module Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Low Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Oscillator During Break Mode. . . . . . . . . . . . . . . . . . . . . . . . . 110
CONFIG2 Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Input/Output (I/O) Registers . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Internal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
External Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
XTAL Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
RC Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Crystal Amplifier Input Pin (OSC1) . . . . . . . . . . . . . . . . . . .107
Crystal Amplifier Output Pin (OSC2/PTA4/BUSCLKX4) . . 108
Oscillator Enable Signal (SIMOSCEN). . . . . . . . . . . . . . . . 108
XTAL Oscillator Clock (XTALCLK) . . . . . . . . . . . . . . . . . . .108
RC Oscillator Clock (RCCLK). . . . . . . . . . . . . . . . . . . . . . .109
Internal Oscillator Clock (INTCLK) . . . . . . . . . . . . . . . . . . .109
Oscillator Out 2 (BUSCLKX4) . . . . . . . . . . . . . . . . . . . . . . 109
Oscillator Out (BUSCLKX2) . . . . . . . . . . . . . . . . . . . . . . . . 109
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Oscillator Status Register. . . . . . . . . . . . . . . . . . . . . . . . . . 111
Oscillator Trim Register (OSCTRIM) . . . . . . . . . . . . . . . . . 112
Internal Oscillator Trimming . . . . . . . . . . . . . . . . . . . . . . 103
Internal to External Clock Switching. . . . . . . . . . . . . . . . 104
Oscillator Module (OSC)
Section 8. Oscillator Module (OSC)
101

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