Data Sheet AS3990 UHF reader

Revision No. 1.2, Date: 09-2007

Page 2 of 2

Copyright © 2007 austriamicrosystems. Trademarks registered ®. All rights reserved. The material herein may not be reproduced, adapted,

merged, translated, stored, or used without the prior written consent of the copyright owner. To the best of its knowledge,

austriamicrosystems asserts that the information contained in this publication is accurate and correct.

Block and Application Diagram

EPC Gen2 Protocol Handling

Supply

Regulators

&

Refernces

AS3990

Directional

unit

1

2

3

5

6

8

1

1

1

2

1

3

1

4

1

5

1

6

1

7

27

RFOUTN_1

20

RFOUTP_1

2

2

2

3

2

4

2

5

2

6

2

9

32

RFONX

3

5

36

OSCI

39

EN

40

IRQ

41

IO0

42

IO1

43

IO2

44

IO3

45

IO4

46

IO5

47

IO6

48

IO7

49

CLSYS

50

CLK

51

VDD_IO

38

VDD_D

18

VDD_RF

19

VDD_B

54

AGD

5

5

5

7

59

VDD_A

63

VDD_LF

6

4

6

5

5

3

5

2

34

VDD_RFP

4xC

2xC

7xC

Micro

controller

Oscillator &

Timing

System

RSSI

AFE

Digitizer

Digitizer

Double Down-

Conversion

Mixer

Gain

Filter

RF Out

12

Byte

FIFO

EPC Gen2 Protocol

Handling

CRC

GEN-2

Frame Gen

30

OAD_2

58

ADC

VOSC

CP

61

62

Contact

austriamicrosystems AG

A 8141 Schloss Premstätten, Austria

T. +43 (0) 3136 500 0

F. +43 (0) 3136 525 01

wireless@austriamicrosystems.com

Disclaimer

Preliminary Data Sheet is product information in formative or design phase of development. Characteristic data and

other specifications are design goals. austriamicrosystems reserves the right to change or discontinue such products

without notice.