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Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet

Product codes
ATSAM4S-WPIR-RD
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1077
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
42.7.2 ADC Mode Register
Name:
ADC_MR
Address:
0x40038004
Access:
Read/Write
This register can only be written if the WPEN bit is cleared in the 
• TRGEN: Trigger Enable  
• TRGSEL: Trigger Selection 
• SLEEP: Sleep Mode 
31
30
29
28
27
26
25
24
USEQ
–
TRANSFER
TRACKTIM
23
22
21
20
19
18
17
16
ANACH
–
SETTLING
STARTUP
15
14
13
12
11
10
9
8
PRESCAL
7
6
5
4
3
2
1
0
FREERUN
FWUP
SLEEP
–
TRGSEL
TRGEN
Value
Name
Description
0
DIS
Hardware triggers are disabled. Starting a conversion is only possible by software.
1
EN
Hardware trigger selected by TRGSEL field is enabled.
Value
Name
Description
0
ADC_TRIG0
External trigger
1
ADC_TRIG1
TIO Output of the Timer Counter Channel 0
2
ADC_TRIG2
TIO Output of the Timer Counter Channel 1
3
ADC_TRIG3
TIO Output of the Timer Counter Channel 2
4
ADC_TRIG4
PWM Event Line 0
5
ADC_TRIG5
PWM Event Line 1
6
ADC_TRIG6
Reserved
7
–
Reserved
Value
Name
Description
0
NORMAL
Normal Mode: The ADC Core and reference voltage circuitry are kept ON between conversions
1
SLEEP
Sleep Mode: The wake-up time can be modified by programming FWUP bit