Datasheet

 2017 Microchip Technology Inc. DS60001516A-page 727
SAM9G20
39.6.2 ADC Mode Register
Name:ADC_MR
Access: Read/Write
TRGEN: Trigger Enable
TRGSEL: Trigger Selection
LOWRES: Resolution
SLEEP: Sleep Mode
PRESCAL: Prescaler Rate Selection
ADCClock = MCK / ( (PRESCAL+1) * 2 )
31 30 29 28 27 26 25 24
–––– SHTIM
23 22 21 20 19 18 17 16
– – – STARTUP
15 14 13 12 11 10 9 8
––
PRESCAL
76543210
– – SLEEP LOWRES TRGSEL TRGEN
TRGEN Selected TRGEN
0 Hardware triggers are disabled. Starting a conversion is only possible by software.
1 Hardware trigger selected by TRGSEL field is enabled.
TRGSEL Selected TRGSEL
0 0 0 TIOA Ouput of the Timer Counter Channel 0
0 0 1 TIOA Ouput of the Timer Counter Channel 1
0 1 0 TIOA Ouput of the Timer Counter Channel 2
011Reserved
100Reserved
101Reserved
1 1 0 External trigger
111Reserved
LOWRES Selected Resolution
0 10-bit resolution
1 8-bit resolution
SLEEP Selected Mode
0 Normal Mode
1 Sleep Mode