LP3971_16 Datasheet, PDF (32/52 Pages) Texas Instruments – Power Management Unit for Advanced Application Processors

LP3971
SNVS432V – JANUARY 2006 – REVISED MAY 2013
BUCK 3 TARGET VOLTAGE 2 REGISTER (B3TV2) 8H'33 DEFINITIONS
Bit
Access
7:5
—
4:0
R/W
Name
—
B2OV
Reserved
Output Voltage
Data Code
5h'01
5h'02
5h'03
5h'04
5h'05
5h'06
5h'07
5h'08
5h'09
5h'0A
5h'0B
5h'0C
Description
(V)
Data Code
0.80
5h'0D
0.85
5h'0E
0.90
5h'0F
0.95
5h'11
1.00
5h'12
1.05
5h'13
1.10
5h'14
1.15
5h'15
1.20
5h'16
1.25
5h'17
1.30
5h'18
1.35
5h'19
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(V)
1.40
1.45
1.50
1.60
1.65
1.70
1.80
1.90
2.50
2.80
3.00
3.30
BUCK 3 VOLTAGE RAMP CONTROL REGISTER (B3RC) 8H'34
Bit
7
6
5
4
3
2
1
0
Designation
Reserved
Ramp Rate
Reset Value
0
0
0
0
1
0
1
0
BUCK 3 VOLTAGE RAMP CONTROL REGISTER (B3RC) 8H'34 DEFINITIONS
Bit
Access
7:5
—
4:0
R/W
Name
—
B3RC
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 FUNCTION REGISTER (BFR) 8H'38
Bit
7
Designation
Reset Value
0
6
5
4
Reserved
0
0
0
3
2
1
0
SHBU
BK_SLOMOD BK_SSEN
0
0
1
0
32
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