MC68HC908QY2 MOTOROLA [Motorola, Inc], MC68HC908QY2 Datasheet - Page 152

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

Analog-to-Digital Converter (ADC)
11.3 Features
11.4 Functional Description
152
$003C
$003D
$003E
$003F
Addr.
MC68HC908QY4•MC68HC908QT4•MC68HC908QY2•MC68HC908QT2•MC68HC908QY1•MC68HC908QT1
ADC Input Clock Register
ADC Status and Control
Register Name
ADC Data Register
Unimplemented
See page 157.
See page 159.
See page 159.
(ADICLK)
(ADSCR)
Register
(ADR)
Features of the ADC module include:
Figure 11-1
Four ADC channels are available for sampling external sources at pins
PTA0, PTA1, PTA4, and PTA5. An analog multiplexer allows the single
ADC converter to select one of the four ADC channels as an ADC
Reset:
Reset:
Reset:
Figure 11-1. ADC I/O Register Summary
•
•
•
•
•
•
Read:
Read:
Read:
Write:
Write:
Write:
4 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
COCO
ADIV2
Analog-to-Digital Converter (ADC)
Bit 7
AD7
0
0
provides a summary of the input/output (I/O) registers.
= Unimplemented
ADIV1
AIEN
AD6
6
0
0
ADCO
ADIV0
AD5
5
0
0
Indeterminate after reset
CH4
AD4
4
1
0
0
CH3
AD3
3
1
0
0
CH2
AD2
2
1
0
0
CH1
AD1
1
1
0
0
MOTOROLA
Bit 0
CH0
AD0
1
0
0