LRI512-A1S datasheet, PDF - EEWORLD Datasheet

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LRI512-A1S: DescriptionLRI512-A1S; CategoryThe signal circuit; File Size593KB，73 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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LRI512-A1S Overview

LRI512-A1S

LRI512-A1S Parametric

Parameter Name	Attribute value
Maker	STMicroelectronics
Reach Compliance Code	compliant
Is Samacsys	N
Base Number Matches	1

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LRI512

ISO 15693 standard compliant, 13.56 MHz, 512 bit,

high-endurance EEPROM TAG IC with EAS

Not For New Design

Features

■

ISO 15693 standard: fully compliant

13.56 MHz

±7 kHz

carrier frequency

To the LRI512:

– 10% or 100% ASK modulation using:

– 1/4 pulse position coding (26 Kbit/s)

– 1/256 pulse position coding (1.6 Kbit/s)

From the LRI512:

– Load modulation using Manchester coding

with 423 kHz and 484 kHz subcarrier in

Fast data rate (26 Kbit/s) and Low data rate

(6.6 Kbit/s)

Internal tuning capacitor

512 bit EEPROM with Block Lock feature

64-bit unique identifier (UID)

EAS (electronic article surveillance) features

READ block and WRITE block (32-bit blocks)

5 ms programming time (typical)

More than 100 000 Erase/Write cycles

More than 40 year data retention

Packages

– ECOPACK® (RoHS compliant)

Wafer

Antenna

(A1)

■

November 2007

Rev 2

1/73

www.st.com

This is information on a product still in production but not recommended for new designs.

Contents

LRI512

Contents

Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.1

1.2

1.3

1.4

1.5

1.6

Memory mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Initial dialogue for vicinity cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Power transfer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Operating field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Communication signal from VCD to LRI512 . . . . . . . . . . . . . . . . . . . . . 13

Data rate and data coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.1

3.2

3.3

3.4

Data coding mode: 1 out of 256 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Data coding mode: 1 out of 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

VCD to LRI512 frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Start of frame (SOF) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Communications signal from LRI512 to VCD . . . . . . . . . . . . . . . . . . . . 19

4.1

4.2

4.3

Load modulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Subcarrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Data rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Bit representation and coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.1

Bit coding using one subcarrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.1.1

5.1.2

High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

5.2

Bit coding using two subcarriers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.2.1

5.2.2

High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

LRI512 to VCD frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6.1

SOF when using one subcarrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

6.1.1

6.1.2

High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

2/73

LRI512

Contents

6.2

SOF when using two subcarriers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.2.1

6.2.2

High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.3

EOF when using one subcarrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

6.3.1

6.3.2

High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.4

EOF when using two subcarriers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

6.4.1

6.4.2

High data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Low data rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Unique identifier (UID) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Application family identifier (AFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

CRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

LRI512 protocol description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

LRI512 states . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

11.1

11.2

11.3

11.4

Power-off state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Ready state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Quiet state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Selected state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

12.1

12.2

12.3

Addressed mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Non-addressed mode (general request) . . . . . . . . . . . . . . . . . . . . . . . . . 34

Select mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Request format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

13.1

Request flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Response format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

14.1

14.2

Response flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Response error code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Anticollision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

3/73

Contents

LRI512

15.1

Request parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Request processing by the LRI512 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Explanation of the possible cases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Timing definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

18.1

18.2

18.3

t1: LRI512 response delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

t2: VCD new request delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

t3: VCD new request delay when no LRI512 response . . . . . . . . . . . . . . 44

Command codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

20.0.1

Note on inventory operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Stay Quiet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Read Single Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Write Single Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Lock Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Select . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Reset to Ready . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Write AFI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Lock AFI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Activate EAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Deactivate EAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Pool EAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

31.1

Pool EAS response format when the request frame is correctly received 60

4/73

LRI512-A1S Related Products

	LRI512-A1S	LRI512-A1T
Description	LRI512-A1S	LRI512-A1T
Maker	STMicroelectronics	STMicroelectronics
Reach Compliance Code	compliant	compliant
Is Samacsys	N	N
Base Number Matches	1	1

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