Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

900844 Datasheet(PDF) 52 Page - Freescale Semiconductor, Inc

Part # 900844
Description  Integrated Power Management IC for Ultra-mobile and Embedded Applications
PDF  118 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

900844 Datasheet(HTML) 52 Page - Freescale Semiconductor, Inc

Back Button 900844 Datasheet HTML 48Page - Freescale Semiconductor, Inc 900844 Datasheet HTML 49Page - Freescale Semiconductor, Inc 900844 Datasheet HTML 50Page - Freescale Semiconductor, Inc 900844 Datasheet HTML 51Page - Freescale Semiconductor, Inc 900844 Datasheet HTML 52Page - Freescale Semiconductor, Inc 900844 Datasheet HTML 53Page - Freescale Semiconductor, Inc 900844 Datasheet HTML 54Page - Freescale Semiconductor, Inc 900844 Datasheet HTML 55Page - Freescale Semiconductor, Inc 900844 Datasheet HTML 56Page - Freescale Semiconductor, Inc Next Button
Zoom Inzoom in Zoom Outzoom out
 52 / 118 page
background image
Analog Integrated Circuit Device Data
52
Freescale Semiconductor
900844
FUNCTIONAL DEVICE OPERATION
POWER STATES AND CONTROL
POWER STATES
Figure 18 shows the flow of power, the different power states, and the conditions necessary to transition between the different
states. This diagram serves as the basis for the description in the remainder of this section.
Figure 18. 900844 Power States
NO PWR
VBAT < VBATOFF
VCOIN < VCOINOFF
RTC STATE
* RTC Is Powered
* Time of Day is kept
* Keep alive registers are powered
* All other Circuits OFF
VBAT > VBATOFF
RAMP UP
BAT Operation
* VPWR = VBAT
* VPWR > VPWRUVR
BATDET INT= 1
* Internal supplies/references ON
* Logic is Reset
* Initial power sequence
performed
* SPI Ready
* SCU Interrupted
VBAT > VLOWBAT
ACTIVE STATE
SCU CONTROL
(BAT Operation)
* VPWR = VBAT
RDSTATE = 0x00
* SCU takes control
* SCU Sets the system
VBAT < VLOWBAT &
VCOIN > VCOINOFF
VBAT < VBATOFF &
VCOIN < VCOINOFF
VBAT < VBATOFF &
VCOIN < VCOINOFF
VBAT < Vtrkl &
VCOIN > VCOINOFF
VPWR < VPWRUVF &
VCOIN > VCOINOFF
VBAT > VLOWBAT



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 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100  ...More


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