AS3909 데이터 시트보기 (PDF) - austriamicrosystems AG

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AS3909

13.56 MHz RFID Reader IC, ISO-14443 A/B

austriamicrosystems AG 

Pin Assignments

Pin Number Pin Name

Pin Type

13

NC/TRIM1_3

14

NC/TRIM2_3

15

NC/TRIM1_2

16

NC/TRIM2_2

Analog input

17

NC/TRIM1_1

18

NC/TRIM2_1

19

NC/TRIM1_0

20

NC/TRIM2_0

21

VSS

Supply pad

22

RFI1

Analog input

23

RFI2

24

AGD

Analog Input /

Output

25

AD_IN

Analog input

26

VSN_A Supply pad

27

INTR

Digital output

28

MCU_CLK

29

SDATAO

Digital Output /

Tristate

30

SDATAI

31

SCLK

Digital input

32

SEN

Exposed Pad

VSUB

Supply

Description

AS3909: NC

AS3910: Input to trim antenna resonant circuit

Ground, die substrate potential

Receiver input

Analog reference voltage

A/D converter input

Analog ground

Interrupt request output

Microcontroller clock output

Serial Peripheral Interface DATA output

Serial Peripheral Interface DATA input

Serial Peripheral Interface Clock

Serial Peripheral Interface Enable

Die substrate potential, to be connected to VSS on

PCB

ams Datasheet, Confidential: 2013-Oct [3-02]

AS3909/AS3910 – 5

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