User Guide

Table Of Contents
Gen2 Tag Commands
119
memory bank (Action Bits) and which of those behaviors to apply (Mask Bits). These bits
and their corresponding behaviors are:
For each bit in the Mask field where Set?=1 the corresponding Action bit will be applied
and the specified lock setting (R/W, W. Permanent) will be asserted (1) or de-asserted
(0). Please see the Gen2 specification for more information on Lock Action functionality.
Note
Passing 0xFFFF in the Mask field and 0x0000 in the Action field unlocks all
the memory banks.
The following example shows an attempt to apply a temporary (not permanent) Write lock
on the EPC memory (Option=0x01) of a tag whose EPC
ID=0x111122223333444455556666 and whose access password=0x11223344:
Kill Tag (26h)
The Kill Tag command kills the specified tag. The tag which will be killed can be specified
using the Tag Singulation Fields
or, if Option=0x00 of the Tag Singulation Fields is
First Byte Second Byte
Bit
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Unused Kill Pwd Access Pwd EPC Mem TID Mem User Mem
Mask
X X X X X X Set? Set? Set? Set? Set? Set? Set? Set? Set? Set?
Action
XXXXXXR/WPermR/WPermW PermW PermW Perm
FF 18 25 03 E8 01 11 22 33 44 00 20 00 20 60h
11 11 22 22 33 33 44
44 55 55 66 66
9E 7A
SOH Length OpCode Timeout (ms) Option Access Password Mask Bits Action Bits Select
Data
Length
Select EPC ID CRC