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[v1-10] 2018-Apr-25

AS39513 − Detailed Description

OPTION – Command option flag. The meaning of this bit

depends on the command. If the command description below

does not specify a meaning for this bit, this flag is ignored.

Non-Inventory Command Flags

Figure 46:

Non-Inventory Command Flags

Command Response Structure

The RFID command response structure also follows the

standard ISO15693 format.

The Response Structure from the Tag is:

where SOF is the ISO15693 start-of-frame, the Flags are the

protocol response flags described below, parameters and data

are zero or more bytes depending on the command, the CRC is

the error check code, and EOF is the ISO15693 end-of-frame.

The Response Flags are:

Flag Bits

Flag Name

Bit Value Meaning

SUBCAR

Single

Double

DRATE

Low

High

Inventory

Protocol ext.

Always 0

RFU

SELECT

All tags

Selected tag

ADDR

Unaddressed

Addressed

OPTION

Command dependent

RFU

Always 0

RFU

SOF

Flags

Parameters

Data

CRC

EOF

8 bits

n*8 bits

m*8 bits

16 bits

Bit

765

210

RFLAGS

000

EXTEN

ERR

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