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AS3525 Datasheet(PDF) 120 Page - ams AG

Part # AS3525
Description  Advanced Audio Processor System
PDF  194 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3525 Datasheet(HTML) 120 Page - ams AG

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AS3525-A/-B C22O22
Data Sheet, Confidential
© 2005-2009, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved.
www.austriamicrosystems.com
Revision 1.13
120
- 194
7.4.1.4
Parameter
Table 97 Supply Regulator Block Characteristics
Symbol
Parameter
Notes
Min
Typ
Max
Unit
DVDD_POR_OFF
2.15
V
DVDD_POR_ON
2.0
V
POR_ON/OFF_HYST
100
mV
LRCK WATCHDOG
F(LRCK)_WD_OFF
4.1
8
kHz
ON_Delay
50
us
DVDD=2.9V; Tamb=25ºC; unless otherwise specified
7.4.1.5
Register Description
Table 98 System Register
Name
Base
Default
System
I2C audio master
0x21
System Settings Register
Offset: 0x20
This register is reset at a DVDD-POR.
Bit
Bit Name
Default
Access
Bit Description
7:4
Version <3:0>
0010
R
AFE number to identify the design version
0010: revision 2
3
PVDDp
0
R/W
PVDD trimming:
0: Vnom
1: Vnom *17/18
2
IOVDDp
0
R/W
IOVDD trimming:
0: IOVDD = 3.11V (nominal)
1: IOVDD = 2.94V
1
EnWDogPwdn
0
R/W
0: forced power down through watchdog is disabled
1: forced power down through watchdog is enabled (no serial
interface reading within 1s)
0
PwrUpHld
1
R/W
0: power up hold is cleared and supply is switched off
1: set to on after power on



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