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1745D–ATARM–04-Nov-05
AT91M55800A
22.2.3 DAC Data Holding Register
Register Name: DAC_DHR
Access Type: Read/Write
Reset State: 0
Offset: 0x08
• DATA: Data to be Converted (Code Label DAC_DATA_10BITS or DAC_DATA_8BITS depending on RES)
Data that is to be converted by the DAC is stored in this register. Data to be converted must be written in a right-aligned
format.
In 8-bit resolution mode (RES = 1), data written into the Data Holding Register will be shifted to the left by 2 bits and the two
LSBs will be 0.
In both 8-bit and 10-bit modes, data will be read as written after the adjustments are done. All non-significant bits read 0.
31 30 29 28 27 26 25 24
– – – – – – – –
23 22 21 20 19 18 17 16
– – – – – – – –
15 14 13 12 11 10 9 8
– – – – – –
DATA
7 6 5 4 3 2 1 0
DATA