ThingMagic M5e-Compact - Manual (Page 146)

Application Tag Commands
146 Command Set
The response to the BlockWrite command is an ACK. The format of the response is:
BlockWrite embedded in a Read Tag Multiple takes the following form:
BlockPermaLock (2Eh)
BlockPermaLock is a Gen2 2.0 Optional command. On tags which support this
command, it allows User Memory to be selectively, permanently write-locked in individual
sub-portions. Compare BlockPermaLock with standard
Lock Tag (25h) which only allows
locking entire memory banks and allows for no permanent locking.. The block-size is tag-
specific. For example Alien Higgs3 tags support 4 word blocks.
The BlockPermaLock command takes the following fields:
00 00 00 01 00 00 ?? ??
Write
Flag Mem
Bank Word
Pointer Word
Count Data CRC
FF 04 2D 00 00 00 44 00 C7 ?? ??
SOH Length OpCode Status Chip
Type
Option Sub
Cmd
CRC
FF 1A 22 04 00 04 03 E8 11 22 33 44 00 00 00 78 08 34
SOH Length OpCode Options
(EPC Mem)
Search
Flags
Timeout Access Password Select Data Address
(bits)
Select
Data
Length
(bits) Select
Data
01 10 2D 00 00 00 44 00 C7 00 00 00 01 00 00 ?? ??
Embd
Cmd
Count Embd
Cmd
Length Embd
Cmd
OpCode Embd Cmd
Timeout
(Not Used)
Chip
Type Option Sub Cmd Write
Flag Mem
Bank Word
Pointer Word
Count Data CRC