ThingMagic M5e-Compact User Manual

Page 140

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Application Tag Commands

140

Command Set

NXP G2i* Command Fields

An example ChangeConfig single tag command is:.

The response to the ChangeConfig command contains the new value of the tag’s
ConfigWord after the Config Data toggle bits have been appled. The format of the

Field

Value

Notes

Length

[1 byte]

OpCode

0x2D

Timeout

[2 bytes]

Ignored when used as an embedded command
for

Tag Inventory With Embedded Operations

Chip Type

0x07

0x07 - NXP G2i*

Tag Singulation Fields

| Select Option

[1 byte]

• bit 6 (x1xx xxxx | 0x40) must be set,

indicating a 2-byte sub command follows this
byte, and before the remaining

Tag

Singulation Fields

Sub Command

[2 bytes]

• 0x0007 -

ChangeConfig

Access Password

[4 bytes]

Must be non-zero for ChangeConfig. If zero the
ConfigWord will not be changed.

Tag Singulation Fields

| Select [Address,
Data Length, Data]

[n bytes]

The remaining fields from the

Tag Singulation

Fields

Note:

Optional depending on the value of

Select Option.

RFU

0x00

RFU

Config Data

[2 bytes]

Toggle memory bits as defined by

ConfigWord

to Command Bit Address Map

• ‘1’ - Toggle memory bit

• ‘0’ - Leave memory alone

FF

10

2D

03

E8

07

44

00 07

11

22

33

44

00

00

00

78

08

34

SOH

Length

OpCode

Timeout (ms)

Chip

Type

Option

Sub

Cmd

Access Password

Select Data Address

Select
Length

Selct
Data

00

00

00

??

??

RFU

Config Data

CRC

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