AS3930 데이터 시트보기 (PDF) - austriamicrosystems AG

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AS3930

Single Channel Low Frequency Wakeup Receiver

austriamicrosystems AG 

AS3930

Datasheet - Pin Assignments

4.2 QFN 4x4 16 LD

Figure 5. QFN Pin Assignments (Top View)

16 15 14 13

NC 1

12 SCL

NC 2

LF1P 3

AS3930A

11 CS

10 NC

LFN 4

9 DAT

5

6

7

8

4.2.1 Pin Descriptions

Table 2. QFN 4x4 16 LD Pin Descriptions

Pin Number

Pin Name

1

NC

2

NC

3

LF1P

4

LFN

5

XIN

6

XOUT

7

VSS

8

WAKE

9

DAT

10

NC

11

CS

12

SCL

13

SDI

14

SDO

15

VCC

16

GND

Pin Type

-

-

Analog I/O

Supply pad

Digital output

-

Digital input

Digital output / tristate

Supply pad

Description

Not connected

Input antenna

Antenna ground

Crystal oscillator input

Crystal oscillator output

Substrate

Wake-up output IRQ

Data output

Not connected

Chip select

SDI interface clock

SDI data input

SDI data output (tristate when CS is low)

Positive supply voltage

Negative supply voltage

www.ams.com/LF-Receiver/AS3930

Revision 1.5

5 - 32

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