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AS3517H-ECTP Datasheet(PDF) 51 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) 51 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
9.3.3
Supervisor
General
This supervisor function can be used for automatic detection of BVDD brown out or junction over-temperature condition.
BVDD Supervision
The supervision level can be set in 8 steps @ 60mV from 2.74 to 3.16V. If the level is reached an interrupt can be generated. If BVDD
reaches 2.7V the AFE shuts down automatically.
Junction Temperature Supervision
The temperature supervision level can also be set by 5 bits (120 to –15oC). If the temperature reaches this level, an interrupt can be
generated. The over-temperature shutdown level is always 20oC higher.
Power Rail Monitoring
The 4 main regulators have an extra monitor which measures the output voltage of the regulator. This power rail monitors are independent
from the 10bit ADC. To activate these please see related registers.
Register Description
Table 40 Supervisor Related Register
Name
Base
Offset
Description
SUPERVISOR
2-wire serial
21h
Battery and junction temperature supervision threshold levels
IRQ_ENRD_0
2-wire serial
23h
Enable/disable PVDD/CVDD monitoring interrupt and shutdown
IRQ_ENRD_1
2-wire serial
24h
Enable/disable PVDD/CVDD monitoring interrupt and shutdown
IRQ_ENRD_2
2-wire serial
25h
Enable/disable battery brown out interrupt
IRQ_ENRD_3
2-wire serial
26h
Enable/disable junction temperature interrupt
Revision 1v3
50
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