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Digital Analog Converter
The DAC on the STM32F429ZI has 2 channels.
Features
- Configurable 12- or 8 bit resolution.
- Left or right alignment of input data.
- External trigger options.
- DMA / interrupt support.
Programming Example
Configuration Register
CR
| ENx | 0 | Disable DAC channel x (reset state) | ||
| 1 | Enable DAC channel x | |||
| TENx | 0 | Disable Trigger of channel x (reset state) | ||
| 1 | Enable Trigger of channel x | |||
| TSELx | 000 | Trigger: TIM6 TRGO event (reset state) | 100 | Trigger: TIM2 TRGO event |
| 001 | Trigger: TIM8 TRGO event | 101 | Trigger: TIM4 TRGO event | |
| 010 | Trigger: TIM7 TRGO event | 110 | Trigger: EXTI line 9 | |
| 011 | Trigger: TIM5 TRGO event | 111 | Trigger: software | |
| DMAENx | 0 | Disable DMA of channel x (reset state) | ||
| 1 | Enable DMA of channel x | |||
Status Register
SR
| DMAUDRx | 0 | No DMA underrun error of channel x occured |
| 1 | DMA underrun error of channel x occured |
* Writing 1 to clear flag.
Data Registers
DHR8Rx
DHR8R1, DHR8R2 and DHR8RD registers
DHR12Rx
DHR12R1, DHR12R2 and DHR12RD registers
DHR12Lx
DHR12L1, DHR12L2 and DHR12LD registers
DORx
Data output register
Legend
