MC68HC705V12CFN MOTOROLA [Motorola, Inc], MC68HC705V12CFN Datasheet - Page 131

• Manufacturer Part Number: MC68HC705V12CFN
• Description: The Motorola microcontroller
• Manufacturer: MOTOROLA [Motorola, Inc]

13.1 Contents
13.2 Introduction
MC68HC705V12
MOTOROLA
Advance Information — MC68HC705V12
—
Rev. 3.0
Section 13. Analog-to-Digital (A/D) Converter
13.2
13.3
13.3.1
13.3.2
13.3.3
13.3.4
13.4
13.4.1
13.4.2
13.4.3
13.5
13.6
13.7
13.8
The MC68HC705V12 includes a 5-channel, 8-bit, multiplexed input and
a successive approximation analog-to-digital (A/D) converter.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
Analog Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Digital Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
A/D Status and Control Register. . . . . . . . . . . . . . . . . . . . . . .134
A/D Data Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135
A/D during Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
A/D during Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136
Analog-to-Digital (A/D) Converter
Ratiometric Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . .132
V
Accuracy and Precision. . . . . . . . . . . . . . . . . . . . . . . . . . .132
Conversion Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Conversion Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Internal and Master Oscillators . . . . . . . . . . . . . . . . . . . . .133
Multi-Channel Operation . . . . . . . . . . . . . . . . . . . . . . . . . .133
REFH
and V
REFL
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Advance Information
131