Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos

 982

SAM4S [DATASHEET]

11100E–ATARM–24-Jul-13

Note:

DMA is sometimes referenced as PDC (Peripheral DMA Controller).

Note:

1. AD15 is not an actual pin but is connected to a temperature sensor.

The ADC Controller is not continuously clocked. The programmer must first enable the ADC Controller MCK in the Power
Management Controller (PMC) before using the ADC Controller. However, if the application does not require ADC
operations, the ADC Controller clock can be stopped when not needed and restarted when necessary. Configuring the
ADC Controller does not require the ADC Controller clock to be enabled.

The ADC interrupt line is connected on one of the internal sources of the Interrupt Controller. Using the ADC interrupt
requires the interrupt controller to be programmed first.

ADTRG

ADVREF

GND

Trigger 

Selection

Timer 

Counter

Channels

AD0

AD1

ADn

Analog

Inputs

ADC Interrupt

ADC 12-Bit Controller  

ADC cell

Control 

Logic

User

Interface

Interrupt
Controller

Peripheral Bridge

APB

PDC

AHB

IN+
IN-

S/H

OFFSET

PGA

PIO

Cyclic Pipeline

12-bit Analog-to-Digital

Converter

CHx

ADVREF

Reference voltage

AD0 - AD

15

Analog input channels

ADTRG

External trigger

ADC

29