RM0091 Digital-to-analog converter (DAC1)
Doc ID 018940 Rev 1 205/742
13 Digital-to-analog converter (DAC1)
13.1 DAC1 introduction
The DAC module is a 12-bit, voltage output digital-to-analog converter. The DAC can be
configured in 8- or 12-bit mode and may be used in conjunction with the DMA controller. In
12-bit mode, the data could be left- or right-aligned.An input reference voltage, V
DDA
(shared with ADC) is available. The output can optionally be buffered for higher current
drive.
13.2 DAC1 main features
The devices integrate one 12-bit DAC channel, DAC1, which output is DAC1_OUT.
DAC1 main features are the following:
● Left or right data alignment in 12-bit mode
● Synchronized update capability
● DMA capability
● DMA underrun error detection
● External triggers for conversion
● Programmable internal buffer
● Input voltage reference, V
DDA
Figure 38 shows the block diagram of a DAC channel and Ta bl e 39 gives the pin description.
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