AS3931 View Datasheet(PDF) - austriamicrosystems AG

Part Name

Description

Manufacturer

AS3931

3D Low Power Wakeup Receiver

austriamicrosystems AG 

AS3931

Datasheet - Contents

9.4 Test Mode Register ............................................................................................................................................................................ 21

9.4.1 T0 (Test Mode Enable) .............................................................................................................................................................. 21

9.4.2 T1, T2 (Test Mode Select) ......................................................................................................................................................... 21

9.4.3 T3 ............................................................................................................................................................................................... 22

9.4.4 T4 (RSSI Step Select) ............................................................................................................................................................... 22

9.4.5 T5 (Wake Generator On/Off) ..................................................................................................................................................... 22

9.5 Correlator Mode Register ................................................................................................................................................................... 22

9.5.1 M0 (Correlator Off) ..................................................................................................................................................................... 23

lid 9.5.2 M1 (Single/Double Wake Pattern) ............................................................................................................................................. 23

9.5.3 M2, M3 (Zero-Half-Bit Detection Mode) ..................................................................................................................................... 23

9.5.4 M4 (Detector Time Constant) .................................................................................................................................................... 23

9.5.5 M5 .............................................................................................................................................................................................. 23

a 10 Extended Operation .............................................................................................................................................................. 24

v 10.1 Power Management ......................................................................................................................................................................... 24

10.1.1 Sleep Mode .............................................................................................................................................................................. 24

ill 10.1.2 Standby Mode .......................................................................................................................................................................... 24

10.1.3 Receive Mode .......................................................................................................................................................................... 24

t 10.1.4 Regulator On/Off ...................................................................................................................................................................... 24

10.1.5 Typical Current Consumption in Different Modes .................................................................................................................... 24

G s 10.1.6 RSSI Step ................................................................................................................................................................................ 24

10.1.7 Antenna Rotation ..................................................................................................................................................................... 24

A t 10.2 Input Attenuation and Input Shortcutting .......................................................................................................................................... 24

10.3 WAKE Signal at the RSSI Pin .......................................................................................................................................................... 25

s n 10.4 Single WAKE Operation ................................................................................................................................................................... 25

e 10.5 Using the Wake Generator ............................................................................................................................................................... 25

m t 10.6 Direct DATA Mode ............................................................................................................................................................................ 26

10.7 Correlator Modes ............................................................................................................................................................................. 26

a n 10.8 Threshold Adaptation Filter Time Constant ...................................................................................................................................... 26

o 10.9 RSSI and WAKE Pin Modes ............................................................................................................................................................ 26

11 Package Drawings and Markings ......................................................................................................................................... 27

Technical c 12 Ordering Information ............................................................................................................................................................. 29

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