ATtiny1624/1626/1627

DACREF

DAC Voltage Reference

  0x04 8 R/W 0xFF     [dimensionValue] [dimensionIncrement] [unitQualifier] [namePattern]

DAC Voltage Reference

Bit  7 6 5 4 3 2 1 0  
  DACREF[7:0]  
Access  R/W R/W R/W R/W R/W R/W R/W R/W  
Reset  1 1 1 1 1 1 1 1  

Bits 7:0 – DACREF[7:0]: DACREF Data Value

DACREF Data Value

These bits define the output voltage from the internal voltage divider. The DAC voltage reference depends on the DACREF value and the reference voltage selected in the VREF module, and is calculated as:

VDACREF=DACREF256×VREF