MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 151

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MC68HC908QY2

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

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11.1 Contents
11.2 Introduction
MOTOROLA
Data Sheet — MC68HC908QY4
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
Section 11. Analog-to-Digital Converter (ADC)
11.2
11.3
11.4
11.4.1
11.4.2
11.4.3
11.4.4
11.4.5
11.5
11.6
11.6.1
11.6.2
11.7
11.8
11.8.1
11.8.2
11.8.3
This section describes the analog-to-digital converter (ADC). The ADC
is an 8-bit, 4-channel analog-to-digital converter. The ADC module is
only available on the MC68HC908QY2, MC68HC908QT2,
MC68HC908QY4, and MC68HC908QT4.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Input/Output Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Input/Output Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
ADC Port I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Voltage Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Conversion Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154
Continuous Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Accuracy and Precision . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156
ADC Status and Control Register. . . . . . . . . . . . . . . . . . . . 157
ADC Data Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
ADC Input Clock Register . . . . . . . . . . . . . . . . . . . . . . . . . 159
Analog-to-Digital Converter (ADC)
151

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