MSC1211 Datasheet, PDF (82/111 Pages) Texas Instruments – Precision Analog-to-Digital Converter (ADC) and Digital-to-Analog Converters (DACs) with 8051 Microcontroller and Flash Memory

MSC1211, MSC1212
MSC1213, MSC1214
SBAS323G − JUNE 2004 − REVISED OCTOBER 2007
DAC2 Control (DACCON2) (Available only on the MSC1211 and MSC1212)
DACSEL = 05h
7
6
5
4
3
2
1
SFR B5h
0
0
0
0
0
SELREF2
DOM2_1
SELREF2
bit 2
Select the Reference Voltage for DAC2 Voltage Reference.
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 1kΩ to AGND, IDAC off.
10
Power-Down mode—VDAC output off 100kΩ to AGND, IDAC off.
11
Power-Down mode—VDAC output off high impedance, IDAC off (default).
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0
DOM2_0
Reset Value
03h
DAC3 Control (DACCON3) (Available only on the MSC1211 and MSC1212)
DACSEL = 05h
7
6
5
4
3
2
1
SFR B6h
0
0
0
0
0
SELREF3
DOM3_1
SELREF3
bit 2
Select the Reference Voltage for DAC3 Voltage Reference.
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 1kΩ to AGND, IDAC off.
10
Power-Down mode—VDAC output off 100kΩ to AGND, IDAC off.
11
Power-Down mode—VDAC output off high impedance, IDAC off (default).
0
DOM3_0
Reset Value
03h
82