AS3932 datasheet(6/34 Pages) AMSCO

Part #	AS3932

Description	3D Low Frequency Wakeup Receiver

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Manufacturer	AMSCO [ams AG]

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www.ams.com/LF-Receiver/AS3932

Revision 1.7

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AS3932

Datasheet - Pin Assignm ents

4.2 QFN Package

Figure 5. Pin Assignments 16LD QFN (4x4) Package

4.2.1 Pin Descriptions

Note:

The exposed pad has to be connected to ground.

Table 2. Pin Descriptions 16LD QFN (4x4) Package

Pin Name

Number

Pin Type

Description

LF3P

1

Analog I/O

Input antenna channel three

LF2P

2

Input antenna channel two

LF1P

3

Input antenna channel one

LFN

4

Common ground for antenna one, two and three

XIN

5

Crystal oscillator input

XOUT

6

Crystal oscillator output

VSS

7

Supply pad

Substrate

WAKE

8

Digital output

Wake-up output IRQ

DAT

9

Data output

NC

10

-

Not connected

CS

11

Digital input

Chip select

SCL

12

SDI interface clock

SDI

13

SDI data input

SDO

14

Digital output / tristate

SDI data output (tristate when CS is low)

VCC

15

Supply pad

Positive supply voltage

GND

16

Supply pad

Negative supply voltage

AS3932

LF2P

LFN

LF3P

CS

DAT

LF1P

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

NC

SCL

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