AVR32SD20 VREF registers

The 2 registers of VREF (Voltage Reference), from 0x72, with their reset value and every field. The AVR32SD20 has 580 registers in 51 peripherals, one page each.

VREF Voltage Reference

DAC0REFDAC0 Reference

Address
0x72
Reset
0x00
Access
read/write
  1. 7ALWAYSON
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2REFSEL2
  7. 1REFSEL1
  8. 0REFSEL0
2 fields
FieldBitsWhat it does
ALWAYSON7Always on
REFSEL2:0Reference select
  • 0 Internal 1.024V reference
  • 1 Internal 2.048V reference
  • 2 Internal 4.096V reference
  • 3 Internal 2.500V reference
  • 5 VDD as reference
  • 6 External reference on VREFA pin

ACREFAC Reference

Address
0x74
Reset
0x00
Access
read/write
  1. 7ALWAYSON
  2. 6–
  3. 5–
  4. 4–
  5. 3–
  6. 2REFSEL2
  7. 1REFSEL1
  8. 0REFSEL0
2 fields
FieldBitsWhat it does
ALWAYSON7Always on
REFSEL2:0Reference select
  • 0 Internal 1.024V reference
  • 1 Internal 2.048V reference
  • 2 Internal 4.096V reference
  • 3 Internal 2.500V reference
  • 5 VDD as reference
  • 6 External reference on VREFA pin