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Analog-to-Digital Converter
(ADC) Module
CHAPTER 15
The NS9215 ASIC supports a 12-bit successive approximation analog-to-digital
converter (ADC). To maximize flexibility, an input pin is provided to apply an
external reference voltage, which defines the full scale input range. An analog
multiplexer is included to enable the selection of up to eight inputs.
Features The ADC module supports these features:
12-bit resolution
1 MHz conversion rate
Single-ended 8:1 multiplexed inputs
Rail-to-rail input range
12-bit output, either DMA or direct CPU access
ADC module
structure
This diagram shows the ADC module structure.