LP3971_16 Datasheet, PDF (31/52 Pages) Texas Instruments – Power Management Unit for Advanced Application Processors

LP3971
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SNVS432V – JANUARY 2006 – REVISED MAY 2013
BUCK 2 VOLTAGE RAMP CONTROL REGISTER (B2RC) 8H'2B DEFINITIONS
Bit
Access
7:5
—
4:0
R/W
Name
—
B2RS
Reserved
DVM Ramp Speed
Data Code
4h'0
4h'1
4h'2
4h'3
4h'4
4h'5
4h'6
4h'7
4h'8
4h'9
4h'A
Description
Ramp Rate
(mV/µs)
Instant
1
2
3
4
5
6
7
8
9
10
BUCK 3 TARGET VOLTAGE 1 REGISTER (B3TV1) 8H'32
Bit
7
6
5
Designation
Reserved
Reset Value
0
0
0
4
3
2
1
0
Buck 3 Output Voltage (B3OV)**
1**
0**
1**
0**
0**
BUCK 3 TARGET VOLTAGE 1 REGISTER (B3TV1) 8H'32 DEFINITIONS
Bit
Access
Name
Description
7:5
—
—
Reserved
4:0
R/W
B3OV
Output Voltage
Data Code
(V)
Data Code
(V)
5h'01
0.80
5h'0D
1.40
5h'02
0.85
5h'0E
1.45
5h'03
0.90
5h'0F
1.50
5h'04
0.95
5h'11
1.60
5h'05
1.00
5h'12
1.65
5h'06
1.05
5h'13
1.70
5h'07
1.10
5h'14
1.80
5h'08
1.15
5h'15
1.90
5h'09
1.20
5h'16
2.50
5h'0A
1.25
5h'17
2.80
5h'0B
1.30
5h'18
3.00
5h'0C
1.35
5h'19
3.30
BUCK 3 TARGET VOLTAGE 2 REGISTER (B3TV2) 8H'33
Bit
7
6
5
Designation
Reserved
Reset Value
0
0
0
4
3
2
1
0
Buck 2 Output Voltage (B2OV)**
1**
0**
1**
0**
0**
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