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MP9311 User’s Guide

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The Wt command can also be used to write the Kill and Access passwords and the TID 
and User Memory banks. The Wt command requires the use of the EPC ID of the tag.

The format of the Wt command is as follows:

 

a:<block address> 

is the block address (0 by default). For EPC1, Gen2 

0=Reserved,1=EPC, 2=TID, 3=USER memory bank

b:<blk data>

 is the block data to write. Must be 16-word multiple.

d:<tag ID>

 is the tag identification.

l:<# blks>

 is the length in 16-bit words. Defaults to length of data if missing.

s:<offset>

 is the offset to start write (EPC1, Gen2 only). Defaults  to 0 if missing.

f:<xxx>

 is protocol specific flag data. Set f=1 for read back/verify. EPC1, Gen2 tags 

provide SUCCESS/FAIL feedback. Defaults to 0.

To write the Kill password to a tag with EPC ID= 332233445566778899aabbcc, enter: