WAVE2=B_0x0, DMAEN2=B_0x0, CEN2=B_0x0, DMAUDRIE2=B_0x0, TSEL1=B_0x0, TEN1=B_0x0, DMAEN1=B_0x0, MAMP2=B_0x0, MAMP1=B_0x0, EN2=B_0x0, DMAUDRIE1=B_0x0, TSEL2=B_0x0, EN1=B_0x0, WAVE1=B_0x0, TEN2=B_0x0, CEN1=B_0x0
DAC control register
| EN1 | DAC channel1 enable This bit is set and cleared by software to enable/disable DAC channel1. 0 (B_0x0): DAC channel1 disabled 1 (B_0x1): DAC channel1 enabled |
| TEN1 | DAC channel1 trigger enable This bit is set and cleared by software to enable/disable DAC channel1 trigger. Note: When software trigger is selected, the transfer from the DAC_DHR1 register to the DAC_DOR1 register takes only one dac_pclk clock cycle. 0 (B_0x0): DAC channel1 trigger disabled and data written into the DAC_DHR1 register are transferred one dac_pclk clock cycle later to the DAC_DOR1 register 1 (B_0x1): DAC channel1 trigger enabled and data from the DAC_DHR1 register are transferred three dac_pclk clock cycles later to the DAC_DOR1 register |
| TSEL1 | DAC channel1 trigger selection These bits select the external event used to trigger DAC channel1 … Refer to the trigger selection tables in for details on trigger configuration and mapping. Note: Only used if bit TEN1 = 1 (DAC channel1 trigger enabled). 0 (B_0x0): SWTRIG1 1 (B_0x1): dac_ch1_trg1 2 (B_0x2): dac_ch1_trg2 15 (B_0xF): dac_ch1_trg15 |
| WAVE1 | DAC channel1 noise/triangle wave generation enable These bits are set and cleared by software. 1x: Triangle wave generation enabled Only used if bit TEN1 = 1 (DAC channel1 trigger enabled). 0 (B_0x0): wave generation disabled 1 (B_0x1): Noise wave generation enabled |
| MAMP1 | DAC channel1 mask/amplitude selector These bits are written by software to select mask in wave generation mode or amplitude in triangle generation mode. ≥ 1011: Unmask bits[11:0] of LFSR/ triangle amplitude equal to 4095 0 (B_0x0): Unmask bit0 of LFSR/ triangle amplitude equal to 1 1 (B_0x1): Unmask bits[1:0] of LFSR/ triangle amplitude equal to 3 2 (B_0x2): Unmask bits[2:0] of LFSR/ triangle amplitude equal to 7 3 (B_0x3): Unmask bits[3:0] of LFSR/ triangle amplitude equal to 15 4 (B_0x4): Unmask bits[4:0] of LFSR/ triangle amplitude equal to 31 5 (B_0x5): Unmask bits[5:0] of LFSR/ triangle amplitude equal to 63 6 (B_0x6): Unmask bits[6:0] of LFSR/ triangle amplitude equal to 127 7 (B_0x7): Unmask bits[7:0] of LFSR/ triangle amplitude equal to 255 8 (B_0x8): Unmask bits[8:0] of LFSR/ triangle amplitude equal to 511 9 (B_0x9): Unmask bits[9:0] of LFSR/ triangle amplitude equal to 1023 10 (B_0xA): Unmask bits[10:0] of LFSR/ triangle amplitude equal to 2047 |
| DMAEN1 | DAC channel1 DMA enable This bit is set and cleared by software. 0 (B_0x0): DAC channel1 DMA mode disabled 1 (B_0x1): DAC channel1 DMA mode enabled |
| DMAUDRIE1 | DAC channel1 DMA Underrun Interrupt enable This bit is set and cleared by software. 0 (B_0x0): DAC channel1 DMA Underrun Interrupt disabled 1 (B_0x1): DAC channel1 DMA Underrun Interrupt enabled |
| CEN1 | DAC channel1 calibration enable This bit is set and cleared by software to enable/disable DAC channel1 calibration, it can be written only if bit EN1=0 into DAC_CR (the calibration mode can be entered/exit only when the DAC channel is disabled) Otherwise, the write operation is ignored. 0 (B_0x0): DAC channel1 in Normal operating mode 1 (B_0x1): DAC channel1 in calibration mode |
| EN2 | DAC channel2 enable This bit is set and cleared by software to enable/disable DAC channel2. Note: These bits are available only on dual-channel DACs. Refer to implementation. 0 (B_0x0): DAC channel2 disabled 1 (B_0x1): DAC channel2 enabled |
| TEN2 | DAC channel2 trigger enable This bit is set and cleared by software to enable/disable DAC channel2 trigger Note: When software trigger is selected, the transfer from the DAC_DHR2 register to the DAC_DOR2 register takes only one dac_pclk clock cycle. These bits are available only on dual-channel DACs. Refer to implementation. 0 (B_0x0): DAC channel2 trigger disabled and data written into the DAC_DHR2 register are transferred one dac_pclk clock cycle later to the DAC_DOR2 register 1 (B_0x1): DAC channel2 trigger enabled and data from the DAC_DHR2 register are transferred three dac_pclk clock cycles later to the DAC_DOR2 register |
| TSEL2 | DAC channel2 trigger selection These bits select the external event used to trigger DAC channel2 … Refer to the trigger selection tables in for details on trigger configuration and mapping. Note: Only used if bit TEN2 = 1 (DAC channel2 trigger enabled). These bits are available only on dual-channel DACs. Refer to implementation. 0 (B_0x0): SWTRIG2 1 (B_0x1): dac_ch2_trg1 2 (B_0x2): dac_ch2_trg2 15 (B_0xF): dac_ch2_trg15 |
| WAVE2 | DAC channel2 noise/triangle wave generation enable These bits are set/reset by software. 1x: Triangle wave generation enabled Note: Only used if bit TEN2 = 1 (DAC channel2 trigger enabled) These bits are available only on dual-channel DACs. Refer to implementation. 0 (B_0x0): wave generation disabled 1 (B_0x1): Noise wave generation enabled |
| MAMP2 | DAC channel2 mask/amplitude selector These bits are written by software to select mask in wave generation mode or amplitude in triangle generation mode. ≥ 1011: Unmask bits[11:0] of LFSR/ triangle amplitude equal to 4095 Note: These bits are available only on dual-channel DACs. Refer to implementation. 0 (B_0x0): Unmask bit0 of LFSR/ triangle amplitude equal to 1 1 (B_0x1): Unmask bits[1:0] of LFSR/ triangle amplitude equal to 3 2 (B_0x2): Unmask bits[2:0] of LFSR/ triangle amplitude equal to 7 3 (B_0x3): Unmask bits[3:0] of LFSR/ triangle amplitude equal to 15 4 (B_0x4): Unmask bits[4:0] of LFSR/ triangle amplitude equal to 31 5 (B_0x5): Unmask bits[5:0] of LFSR/ triangle amplitude equal to 63 6 (B_0x6): Unmask bits[6:0] of LFSR/ triangle amplitude equal to 127 7 (B_0x7): Unmask bits[7:0] of LFSR/ triangle amplitude equal to 255 8 (B_0x8): Unmask bits[8:0] of LFSR/ triangle amplitude equal to 511 9 (B_0x9): Unmask bits[9:0] of LFSR/ triangle amplitude equal to 1023 10 (B_0xA): Unmask bits[10:0] of LFSR/ triangle amplitude equal to 2047 |
| DMAEN2 | DAC channel2 DMA enable This bit is set and cleared by software. Note: This bit is available only on dual-channel DACs. Refer to implementation. 0 (B_0x0): DAC channel2 DMA mode disabled 1 (B_0x1): DAC channel2 DMA mode enabled |
| DMAUDRIE2 | DAC channel2 DMA underrun interrupt enable This bit is set and cleared by software. Note: This bit is available only on dual-channel DACs. Refer to implementation. 0 (B_0x0): DAC channel2 DMA underrun interrupt disabled 1 (B_0x1): DAC channel2 DMA underrun interrupt enabled |
| CEN2 | DAC channel2 calibration enable This bit is set and cleared by software to enable/disable DAC channel2 calibration, it can be written only if EN2 bit is set to 0 into DAC_CR (the calibration mode can be entered/exit only when the DAC channel is disabled) Otherwise, the write operation is ignored. Note: This bit is available only on dual-channel DACs. Refer to implementation. 0 (B_0x0): DAC channel2 in Normal operating mode 1 (B_0x1): DAC channel2 in calibration mode |