Thingmagic M5e-Compact Manual de usuario descargar pdf (Pagina 142)

Application Tag Commands

142 Command Set

Impinj Monza 4QT Command Fields

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 0x08 0x08 - Impinj Monza 4QT

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 0x0000 • 0x0000 - QT Read/Write

Access Password [4 bytes] • Must be non-zero for QT Read/Write

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.

Control Byte 0xX0 Only the 4 most significant bits are used, as follows:

Bit 7 (MSB) - Read/Write bit

• 0 = read the QT control bits in cache

• 1 = write the QT control bits

Bit 6 - Persistence bit

• 0 = write the QT Control to volatile memory

• 1 = write the QT Control to nonvolatile memory

Bits 5 and 4 - RFU, currently ignored by tag

Payload [2 bytes] Controls the QT functionality. These bits are ignored when

the Read/Write bit =0.

Bit 15 (MSB) - QT_SR

• 0 = Tag does not reduce range

• 1 = Tag reduces range if in or about to be in OPEN or

SECURED state.

Bit 14 - QT_MEM

• 0 = Tag uses Private Memory Map

• 1 = Tag uses Public Memory Map

Bits 13:0 - RFU

1 2 ... 137 138 139 140 141 142 143 144 145 146 147 ... 251 252

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Thingmagic M5e-Compact Manual de usuario Pagina 142

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