LM3S8971 Luminary Micro, Inc, LM3S8971 Datasheet - Page 269
LM3S8971
Manufacturer Part Number
LM3S8971
Description
Lm3s8971 Arm Microcontroller
Manufacturer
Luminary Micro, Inc
Datasheet
1.LM3S8971.pdf
(602 pages)
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July 26, 2008
Analog-to-Digital Converter (ADC)
An analog-to-digital converter (ADC) is a peripheral that converts a continuous analog voltage to a
discrete digital number.
The Stellaris
plus an internal temperature sensor. The ADC module contains a programmable sequencer which
allows for the sampling of multiple analog input sources without controller intervention. Each sample
sequence provides flexible programming with fully configurable input source, trigger events, interrupt
generation, and sequence priority.
The Stellaris
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Eight analog input channels
Single-ended and differential-input configurations
Internal temperature sensor
Sample rate of one million samples/second
Four programmable sample conversion sequences from one to eight entries long, with
corresponding conversion result FIFOs
Flexible trigger control
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–
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Hardware averaging of up to 64 samples for improved accuracy
An internal 3-V reference is used by the converter.
Power and ground for the analog circuitry is separate from the digital power and ground.
Controller (software)
Timers
Analog Comparators
PWM
GPIO
®
®
ADC module features 10-bit conversion resolution and supports eight input channels,
ADC provides the following features:
Preliminary
LM3S8971 Microcontroller
269
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