LP3971 Datasheet, PDF (30/42 Pages) National Semiconductor (TI) – POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS

I ²C Register Definitions (Continued)
LDO2–LDO1 VOLTAGE CONTROL REGISTER (L21VCR) 8h’39
Bit
Designation
Reset Value
7
6
5
4
LDO 2 Output Voltage (L20V)
1
1
0
0
3
2
1
0
LDO 3 Output Voltage (L1OV)
1
1
0
0
LDO2–LDO1 VOLTAGE CONTROL REGISTER (L21VCR) 8h’39 DEFINITIONS
Bit Access
7:4
R/W
Name
L2OV
3:0
R/W
L1OV
Data Code
4h’0
4h’1
4h’2
4h’3
4h’4
4h’5
4h’6
4h’7
4h’8
4h’9
4h’A
4h’B
4h’C
4h’D
4h’E
4h’F
4h’0
4h’1
4h’2
4h’3
4h’4
4h’5
4h’6
4h’7
4h’8
4h’9
4h’A
4h’B
4h’C
4h’D
4h’E
4h’F
Description
Output Voltage
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
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