RFID Communications

Example

Starts continuous read of three bytes starting at address two, has a repeat count of four, and the family code is set to 00H, so that all tags in the field respond.

Command from Host

Field

Content

Header

0202H

 

 

Command Size

0008H

 

 

Command Code

83H

 

 

Family Code

00H

 

 

Reserved

00H

 

 

Start Address

0002H

 

 

Number of Bytes

0003H

 

 

Repeat Count

04H

 

 

Start

01H

 

 

Checksum

6AH

 

 

Terminator

03H

 

 

Response from Controller

Field

Content

Header

0202H

 

 

Response Size

0001H

 

 

Command Echo

83H

 

 

Checksum

7BH

 

 

Terminator

03H

 

 

After the controller sends the acknowledgement, it sends the data read from the tags in the field.

LRP2000 Passive Reader/Writer

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Image 109
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