ThingMagic M5e-Compact - Manual (Page 132)

Application Tag Commands
132 Command Set
NXP Common Fields
In addition to the common fields some commands have additional required fields as
indicated below.
Set ReadProtect
The NXP command Set ReadProtect causes the commands Read, Write, Kill, Lock,
Access, Set ReadProtect, Change EAS, EAS Alarm and Calibrate to be disabled until a
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 [1 byte] • 0x02 - NXP G2X*
• 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] NXP Sub Commands
Tag Singulation Fields
| Select [Address,
Data Length, Data]
[n bytes] The remaining fields from the Tag Sin-
gulation Fields
Note: Optional depending on the
value of Select Option.
Access Password [4 bytes] • Must be non-zero for Set/Reset
ReadProtect and Change EAS
• EAS Alarm does not take the
Access Password field.