SAM4L Datasheet, PDF (1010/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
• INTERNAL: Internal Voltage Sources Selection
INTERNAL
00
01
10
11
Positive Internal Selection
Enables the primary/secondary voltage sources
Enables the internal voltage sources
Enables the primary/secondary voltage sources
Enables the internal voltage sources
Negative Internal Selection
Enables the primary voltage sources
Enables the primary voltage sources
Enables the internal voltage sources
Enables the internal voltage sources
• RES: Resolution
RES
Resolution
0
12-bits
1
8-bits
• TRGSEL: Trigger selection
TRGSEL
000
001
010
011
100
101
110
111
Trigger
Software
internal ADC timer
internal trigger source (refer to module configuration section)
Continuous mode
External trigger pin rising edge
External trigger pin falling edge
External trigger pin both edges
Reserved
• GCOMP: Gain Compensation
1: Enables the ADC gain error reduction
0: Disables the ADC gain error reduction
42023C–SAM–02/2013
1010