Electronic Components Datasheet Search
  English  ▼

X  

LP3971 Datasheet(PDF) 28 Page - Texas Instruments

Click here to check the latest version.
Part # LP3971
Description  Power Management Unit for Advanced Application Processors
PDF  57 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LP3971 Datasheet(HTML) 28 Page - Texas Instruments

Back Button LP3971 Datasheet HTML 24Page - Texas Instruments LP3971 Datasheet HTML 25Page - Texas Instruments LP3971 Datasheet HTML 26Page - Texas Instruments LP3971 Datasheet HTML 27Page - Texas Instruments LP3971 Datasheet HTML 28Page - Texas Instruments LP3971 Datasheet HTML 29Page - Texas Instruments LP3971 Datasheet HTML 30Page - Texas Instruments LP3971 Datasheet HTML 31Page - Texas Instruments LP3971 Datasheet HTML 32Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 28 / 57 page
background image
LP3971
SNVS432U – JANUARY 2006 – REVISED OCTOBER 2008
www.ti.com
Bit
Access
Name
Description
1
R/W
LDO1_EN
LDO_1 Output Voltage Enable
0 = LDO1 Supply Output Disabled
1 = LDO1 Supply Output Enabled
0
—
—
Reserved
LDO OUTPUT VOLTAGE STATUS REGISTER (LDOVS) 8H'13
Bit
7
6
5
4
3
2
1
0
Designation
LDOS_OK
N/A
LDO5_0K
LDO4_OK
LDO3_OK
LDO2_OK
LDO1_OK
N/A
Reset Value
0
0
0
0
0
0
0
0
LDO OUTPUT VOLTAGE STATUS REGISTER (LDOVS) 8H'13 DEFINITIONS
Bit
Access
Name
Description
7
R
LDO_OK
LDO 1–5 Supply Output Voltage Status
0 = (LDO 1–5) output voltage <90% of selected value
1 = (LDO 1–5) output voltage >90% of selected value
6
—
—
Reserved
5
R
LDO5_OK
LDO_5 Output Voltage Status
0 = (VCC_LDO5) output voltage <90% of selected value
1 = (VCC_LDO5) output voltage >90% of selected value
4
R
LDO4_OK
LDO_4 Output Voltage Status
0 = (VCC_LDO4) output voltage <90% of selected value
1 = (VCC_LDO4) output voltage >90% of selected value
3
R
LDO3_OK
LDO_3 Output Voltage Status
0 = (VCC_LDO3) output voltage <90% of selected value
1 = (VCC_LDO3) output voltage >90% of selected value
2
R
LDO2_OK
LDO_2 Output Voltage Status
0 = (VCC_LDO2) output voltage <90% of selected value
1 = (VCC_LDO2) output voltage >90% of selected value
1
R
LDO1_OK
LDO_1 Output Voltage Status
0 = (VCC_LDO1) output voltage <90% of selected value
1 = (VCC_LDO1) output voltage >90% of selected value
0
—
—
Reserved
VOLTAGE CHANGE CONTROL REGISTER 1 (VCC1) 8H'20
Bit
7
6
5
4
3
2
1
0
Designation
B3VS
B3GO
B2VS
B2GO
Reserved
B2VS
B2GO
Reset Value
0
0
0
0
0
0
0
0
VOLTAGE CHANGE CONTROL REGISTER 1 (VCC1) 8H'20 DEFINITIONS
Bit
Access
Name
Description
7
R/W
B3VS
Buck 3 Target Voltage Select
0 = Buck 3 Output Voltage to B3TV1
1 = Buck 3 Output Voltage to B3TV2
6
R/W
B3GO
Start Buck 3 Voltage Change
0 = Hold Buck 3 Output Voltage at current level
1 = Ramp Buck 3 Output Voltage as selected by B3VS
5
R/W
B2VS
Buck 2 Target Voltage Select
0 = Buck 2 Output Voltage to B2TV1
1 = Buck 2 Output Voltage to B2TV2
4
R/W
B2GO
Start Buck 2 Voltage Change
0 = Hold Buck 2 Output Voltage at current level
1 = Ramp Buck 2 Output Voltage as selected by B2VS
3:2
—
—
Reserved
28
Submit Documentation Feedback
Copyright © 2006–2008, Texas Instruments Incorporated
Product Folder Links: LP3971



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com