Datasheet

 
 
SBAS323GJUNE 2004 − REVISED OCTOBER 2007
www.ti.com
82
DAC2 Control (DACCON2) (Available only on the MSC1211 and MSC1212)
DACSEL = 05h 7 6 5 4 3 2 1 0 Reset Value
SFR B5h 0 0 0 0 0 SELREF2 DOM2_1 DOM2_0 03h
SELREF2 Select the Reference Voltage for DAC2 Voltage Reference.
bit 2 0 = DAC2 V
REF
= AV
DD
(default).
1 = DAC2 V
REF
= internal V
REF
.
DOM2_1−0 DAC Output Mode DAC2.
bits 1−0
DOM2 OUTPUT MODE for DAC2
00 Normal VDAC output.
01 Power-Down mode—VDAC output off 1k to AGND, IDAC off.
10 Power-Down mode—VDAC output off 100k to AGND, IDAC off.
11 Power-Down mode—VDAC output off high impedance, IDAC off (default).
DAC3 Control (DACCON3) (Available only on the MSC1211 and MSC1212)
DACSEL = 05h 7 6 5 4 3 2 1 0 Reset Value
SFR B6h 0 0 0 0 0 SELREF3 DOM3_1 DOM3_0 03h
SELREF3 Select the Reference Voltage for DAC3 Voltage Reference.
bit 2 0 = DAC3 V
REF
= AV
DD
(default).
1 = DAC3 V
REF
= internal V
REF
.
DOM3_1−0 DAC Output Mode DAC3.
bits 1−0
DOM2 OUTPUT MODE for DAC3
00 Normal VDAC output.
01 Power-Down mode—VDAC output off 1k to AGND, IDAC off.
10 Power-Down mode—VDAC output off 100k to AGND, IDAC off.
11 Power-Down mode—VDAC output off high impedance, IDAC off (default).