Datasheet

LP3972
www.ti.com SNVS468K –SEPTEMBER 2006–REVISED MAY 2013
LDO1 (V
CC
_MVT) TARGET VOLTAGE 2 REGISTER
LDO1 (V
CC
_MVT) Target Voltage 2 Register (MDTV2) 8h’33
Bit 7 6 5 4 3 2 1 0
Designation Reserved Output Voltage (OV)
Reset Value 0 0 0 0 1 0 1 1
LDO1 (V
CC
_MVT) Target Voltage 2 Register (MDTV2) 8h’33 Definitions
Bit Access Name Description
7:5 — — Reserved
4:0 R/W L1OV Data Code Output Voltage Notes:
5h’0 1.700
5h’1 1.725
5h’2 1.750
5h’3 1.775
5h’4 1.800
5h’5 1.825
5h’6 1.850
5h’7 1.875
5h’8 1.900
5h’9 1.925
5h’A 1.950
5h’B 1.975
5h’C 2.000
5h’D-5h’F Reserved
LDO2 VOLTAGE CONTROL REGISTER (L12VCR)
LDO2 Voltage Control Register (L12VCR) 8h’39
Bit 7
(1)
6
(1)
5
(1)
4
(1)
3 2 1 0
Designation LDO2 Output Voltage (L2OV) Reserved
Reset Value 0 0 0 0 0 0 0 0
(1) One-time factory programmable EPROM registers for default values
LDO2 Voltage Control Register (L12VCR) 8h’39 Definitions
Bit Access Name Description
7:4 R/W L2OV Data Code Output Voltage
4h’0 1.8 (Default)
4h’1 1.9
4h’2 2.0
4h’3 2.1
4h’4 2.2
4h’5 2.3
4h’6 2.4
4h’7 2.5
4h’8 2.6
4h’9 2.7
4h’A 2.8
4h’B 2.9
4h’C 3.0
4h’D 3.1
4h’E 3.2
4h’F 3.3
3:0 — — Reserved
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