AS3515_08 datasheet(37/67 Pages) AMSCO

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AS3515 V15

austriamicrosystems

Data Sheet, Confidential

www.austriamicrosystems.com

Revision 3.1

- 66

6.12.4 Parameter

Table 36 System Block Characteristics

Symbol Parameter

Notes

Min

Typ

Max

Unit

DVDD_POR_OFF

2.15

DVDD_POR_ON

2.0

POR_ON/OFF_HYST

100

LRCK WATCHDOG

F(LRCK)_WD_OFF

4.1

kHz

ON_Delay

Digital Outputs

VOL

IRQ, PWGOOD @ 8 mA

0.3

VOH

IRQ @ 8 mA, push/pull mode only

2.6

Ipullup

IRQ, PWGOOD

BVDD = 3.3V, DVDD = 2.9V, TA= 25oC unless otherwise mentioned

6.12.5 Register Description

SYSTEM Register (20h)

Table 37 System Register

Bit

Name

Description

7..4

Version <3:0>

Unique number to identify the design version

0101: revision 6

PVDDp

PVDD trimming:

0: Vnom

1: Vnom *17/18

CPVDDp

CPVDD trimming:

0: Vnom 3.3 or 3.56V depending on CVDD

1: 3.1V if CVDD is 1.5V or smaller

EnWDogPwdn

0: forced power down through watchdog is disabled

1: forced power down through watchdog is enabled

PwrUpHld

0: power up hold is cleared and supply is switched off

1: set to on after power on

The register is R/W (bits 7 to 4 are read only); default value is 21h

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