Texas Instruments MSP430x1xx manual DAC12xCTL, DAC12 Control Register, LSELx

DAC12 Registers

DAC12_xCTL, DAC12 Control Register

15 14 13 12

11 10 9 8

Reserved

DAC12SREFx

DAC12RES

DAC12LSELx

DAC12

CALON

DAC12IR

rw−(0)	rw−(0)	rw−(0)	rw−(0)
7	6	5	4

rw−(0)	rw−(0)	rw−(0)	rw−(0)
3	2	1	0

DAC12AMPx

DAC12DF

DAC12IE

DAC12IFG DAC12ENC

DAC12

GRP

rw−(0) rw−(0) rw−(0) rw−(0) rw−(0) rw−(0) rw−(0) rw−(0)

Modifiable only when DAC12ENC = 0

Reserved	Bit 15	Reserved
DAC12	Bits	DAC12 select reference voltage
SREFx	14-13	00	VREF+
		01	VREF+
		10	VeREF+
		11	VeREF+
DAC12	Bit 12	DAC12 resolution select
RES		0	12-bit resolution
		1	8-bit resolution
DAC12	Bits	DAC12 load select. Selects the load trigger for the DAC12 latch. DAC12ENC
LSELx	11-10	must be set for the DAC to update, except when DAC12LSELx = 0.

00DAC12 latch loads when DAC12_xDAT written (DAC12ENC is ignored)

01DAC12 latch loads when DAC12_xDAT written, or, when grouped, when all DAC12_xDAT registers in the group have been written.

10Rising edge of Timer_A.OUT1 (TA1)

11Rising edge of Timer_B.OUT2 (TB2)

DAC12	Bit 9	DAC12 calibration on. This bit initiates the DAC12 offset calibration sequence
CALON		and is automatically reset when the calibration completes.
		0	Calibration is not active
		1	Initiate calibration/calibration in progress
DAC12IR	Bit 8	DAC12 input range. This bit sets the reference input and voltage output range.
		0	DAC12 full-scale output = 3x reference voltage
		1	DAC12 full-scale output = 1x reference voltage

DAC12 19-11