AS3931 View Datasheet(PDF) - austriamicrosystems AG

Part Name

Description

Manufacturer

AS3931

3D Low Power Wakeup Receiver

austriamicrosystems AG 

AS3931

Datasheet - Configuring the Product

Table 19. T1, T2 Bit Mode

T1

0

1

T2

WAKE Pin Function

1

not used

1

not used

9.4.3 T3

Not used; must always be programmed to 0 by the user!

lid 9.4.4 T4 (RSSI Step Select)

Bit T4 is used to switch between a high and a low RSSI step. For more information on RSSI steps see Extended Operation on page 24.

Table 20. T4 Bit Mode

a T4

Mode

v 0

Low RSSI step

1

High RSSI step

ill 9.4.5 T5 (Wake Generator On/Off)

Bit T5 is used to activate the Wake Generator. If activated, an artificial parasitic wakeup is generated every 2 hours.

t Table 21. T5 Bit Mode

G s T5

Mode

A t 0

Wake Generator off

1

Wake Generator on

s en 9.5 Correlator Mode Register

m t Table 22. Register Data

a n Bit

M0

o M1

c M2

M3

l M4

a M5

ic Table 23. Register Address

Bit

nA0

Tech A1

POR state

0

0

0

1

1

0

Description

Correlator Off

single/double wake pattern

Zero-Bit Detection Mode bit1

Zero-Bit Detection Mode bit2

detector threshold τ select

not used

Value

1

1

www.austriamicrosystems.com/AS3931

Revision 6.2

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