ATtiny1624/1626/1627
DAC Voltage Reference
Name:
DACREF
Offset:
0x04
Reset:
0xFF
Access:
R/W
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 V
REF
module, and is calculated as:
V
DACREF
=
DACREF
256
×
V
REF