Datasheet

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 “ADC Write Protect Mode Register” on page 1015.
• 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
76543210
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