MC68HC708AS48 FREESCALE [Freescale Semiconductor, Inc], MC68HC708AS48 Datasheet - Page 318
MC68HC708AS48
Manufacturer Part Number
MC68HC708AS48
Description
Advance Information
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC708AS48.pdf
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Analog-to-Digital Converter (ADC)
19.2 Introduction
19.3 Features
19.4 Functional Description
Advance Information
318
This section describes the 8-bit analog-to-digital converter (ADC).
Features of the ADC module include:
Fifteen ADC channels are available in the 52-PLCC
(MC68HC708AS48CFN) for sampling external sources at pins
PTD6/ATD14/TCLK
Sixteen ADC channels are available in the 64-QFP (engineering sample)
for sampling external sources at pins PTD7/ATD15
PTB7/ATD7
converter to select one of the ADC channels as ADC voltage input
(ADCVIN). ADCVIN is converted by the successive approximation
register-based counters. When the conversion is completed, ADC
places the result in the ADC data register and sets a flag or generates
an interrupt. (See
•
•
•
•
•
•
15 channels (52-pin PLCC), 16 channels (64-pin QFP) with
multiplexed input
Linear successive approximation
8-bit resolution
Single or continuous conversion
Conversion complete flag or conversion complete interrupt
Selectable ADC clock
Analog-to-Digital Converter (ADC)
–
PTB0/ATD0
Figure
–
PTD0/ATD8 and PTB7/ATD7
.
19-1.)
An analog multiplexer allows the single ADC
MC68HC708AS48
–
–
PTB0/ATD0.
PTD0/ATD8 and
MOTOROLA
—
Rev. 4.0
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