MC68HC08AB16A Datasheet, PDF (222/380 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Analog-to-Digital Converter (ADC)
14.2 Introduction
This section describes the 8-bit analog-to-digital converter (ADC).
14.3 Features
Features of the ADC module include:
• Eight channels with multiplexed input
• Linear successive approximation with monotonicity
• 8-bit resolution
• Single or continuous conversion
• Conversion complete flag or conversion complete interrupt
• Selectable ADC clock
Addr. Register Name
Bit 7
Read:
$0038 ^{ADC Status and Control}
Register Write:
(ADSCR)
Reset:
COCO
0
$0039
Read: AD7
ADC Data Register
(ADR)
Write:
Reset: 0
$003A
Read:
ADC Clock Register
(ADCLK)
Write:
Reset:
ADIV2
0
6
5
AIEN ADCO
0
0
AD6
AD5
0
0
ADIV1 ADIV0
0
0
= Unimplemented
4
3
ADCH4 ADCH3
1
1
AD4
AD3
0
0
0
ADICLK
0
0
2
ADCH2
1
AD2
0
0
0
1
ADCH1
1
AD1
0
0
0
Bit 0
ADCH0
1
AD0
0
0
0
Figure 14-1. ADC Register Summary
Technical Data
222
MC68HC08AB16A — Rev. 2.0
Analog-to-Digital Converter (ADC)
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