Atmel AVR XMEGA 8/16-bit High Performance Low Power Flash Microcontrollers Ficha de datos Pagina 50

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XMEGA B1 [DATASHEET]
Atmel-8330H-AVR-ATxmega64B1-128B1_datasheet–AVR–12/2014
Figure 29-1. ADC Overview
The ADC may be configured for 8- or 12-bit result, reducing the minimum conversion time (propagation delay) from
3.35µs for 12-bit to 2.3µs for 8-bit result.
ADC conversion results are provided left- or right adjusted with optional ‘1’ or ‘0’ padding. This eases calculation when
the result is represented as a signed integer (signed 16-bit number).
PORTA and PORTB each has one ADC. Notation of these peripherals are ADCA and ADCB, respectively.
CH0 Result
Compare
Register
<
>
Threshold
(Int Req)
Internal 1.00V
Internal AVCC/1.6V
AREFA
AREFB
V
INP
V
INN
Internal
signals
Internal AVCC/2
ADC0
ADC15
ADC0
ADC7
Reference
Voltage
ADC
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