Техническая Спецификация для Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2
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Модели
ATSAM4S-EK2
996
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
41.7.2 ADC Mode Register
Name:
ADC_MR
Address:
0x40038004
Access:
Read-write
This register can only be written if the WPEN bit is cleared in
.
• TRGEN: Trigger Enable
• TRGSEL: Trigger Selection
• LOWRES: Resolution
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
LOWRES
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
BITS_12
12-bit resolution
1
BITS_10
10-bit resolution