Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO Data Sheet
Product codes
ATSAM4E-XPRO
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
1342
Automatic Window Comparison of Converted Values
Register Write Protection
45.3
Block Diagram
Figure 45-1.
Analog-Front-End Converter Block Diagram
45.4
Signal Description
Note:
1. AFE_AD15 is not an actual pin but is connected to a temperature sensor.
Table 45-1.
AFEC Pin Description
Pin Name
Description
ADVREF
Reference voltage
AFE_AD0 - AFE_AD
15
Analog input channels
AFE_ADTRG
External trigger
AFE_ADTRG
VDDANA
ADVREF
GND
Trigger
Selection
Channel
Sequencer
Sequencer
Timer
Counter
Channels
User
Interface
Interrupt
Controller
Controller
Peripheral Bridge
APB
PDC
System Bus
Analog Inputs
Multiplexed
with I/O lines
AFE_AD0
PIO
Extra
Funct.
Extra
Funct.
AFE Controller (AFEC)
PMC
MCK
AFE Analog Cell
CHx
DAC
12 bits
AOFFx
AFEC Interrupt
en.
Analog
Mux
n->1
Mux
n->1
CHENx
S&H
Sample
and Hold
and Hold
PGA
Prog. Gain
Amplifier
Amplifier
+
-
ADC
12 bits
Converter
Converter
Digital
Averaging
with OSR
Averaging
with OSR
GAINx
RES
AFE_AD1
AFE_ADn-1