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AS3517H-ECTP Datasheet(PDF) 50 Page - ams AG

Part # AS3517H-ECTP
Description  Stereo Audio Codec with enhanced System Power Management
PDF  94 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3517H-ECTP Datasheet(HTML) 50 Page - ams AG

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AS3517 V17
Data Sheet, Confidential
© 2003-2007, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved.
www.austriamicrosystems.com
9.3.2
Hibernation
General
Hibernation allows shutting down a part or the complete system. Hibernation can be terminated by every possible
interrupt of the AFE. E.g. one can use the RTC for a time triggered wake-up. The interrupt has to be enabled before
going to hibernation
Table 38 Hibernation Modes
Modes
VPRG2
Action
KeepBit
LDOs
DCDCs
VBUS
DCDC15V
Hib. with Default
OFF
OFF
OFF
OFF
OFF
Cancel Hibernation
OFF
Default
Default
OFF
OFF
Hib. with Modif Settings
OFF
OFF
OFF
No Change
No Change
Cancel Hibernation
OFF
As Before
As Before
No Change
No Change
Hib. with Modif Settings
ON
No Change
No Change
No Change
No Change
1-15
VDD
150k-
VDD
OPEN
Cancel Hibernation
ON
No Change
No Change
No Change
No Change
Hib. with Default
OFF
OFF
OFF
Stays ON
OFF
Cancel Hibernation
OFF
Default
Default
Default
Default
Hib. with Modif Settings
OFF
OFF
OFF
No Change
OFF
Cancel Hibernation
OFF
As Before
As Before
ON
As Before
Hib. with Modif Settings
ON
No Change
No Change
No Change
No Change
16-25
VSS
150k-
VSS
Cancel Hibernation
ON
No Change
No Change
No Change
No Change
“Hibernation with Default” means that, the voltage of the power supply is determined by VPROG1 pin.
“Hibernation with Modified Settings” means, that the voltage of the power supply is controlled by register settings.
Figure 31 Hibernate Timing
Register Description
Table 39 Hibernation Related Register
Name
Base
Offset
Description
PMU Hibernate
2-wire serial
17h-6
Hibernation control
PMU ENABLE
2-wire serial
18h
Enables writings to extended register 17h-6
Revision 1v3
49
- 93



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