RM0440 Rev 4 769/2126
RM0440 Digital-to-analog converter (DAC)
773
22.7.21 DAC channel1 sawtooth register (DAC_STR1)
Address offset: 0x58
Reset value: 0x0000 0000
22.7.22 DAC channel2 sawtooth register (DAC_STR2)
This register is available only on dual-channel DACs. Refer to Section 22.3: DAC
implementation.
Address offset: 0x5C
Reset value: 0x0000 0000
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
STINCDATA1[15:0]
rw
1514131211109876543210
Res. Res. Res.
STDIR
1
STRSTDATA1[11:0]
rw rw
Bits 31:16 STINCDATA1[15:0]: DAC channel1 sawtooth increment value (12.4 bit format)
Bits 15:13 Reserved, must be kept at reset value.
Bit 12 STDIR1: DAC channel1 sawtooth direction setting
This bit is written by software to select the direction of Sawtooth step direction
0: Decrement
1: Increment
Bits 11:0 STRSTDATA1[11:0]: DAC channel1 sawtooth reset value
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
STINCDATA2[15:0]
rw
1514131211109876543210
Res. Res. Res.
STDIR
2
STRSTDATA2[11:0]
rw rw
Bits 31:16 STINCDATA2[15:0]: DAC channel2 Sawtooth increment value (12.4 bit format)
Bits 15:13 Reserved, must be kept at reset value.
Bit 12 STDIR2: DAC channel2 sawtooth direction setting
This bit is written by software to select the direction of sawtooth step direction
0: Decrement
1: Increment
Bits 11:0 STRSTDATA2[11:0]: DAC channel2 sawtooth reset value
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