Datasheet

113730 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 3.0 — 14 March 2007 14 of 33
NXP Semiconductors
SL2 ICS53/SL2 ICS54
I•CODE SLI-S/I•CODE SLI-S HC
PUBLIC
8.1.3.5 64 bit password protection
Command Code = BBh
With the 64-bit Password Protection command the Label IC can be instructed that both of
the Read and Write passwords are required to get access to password protected blocks
(pages). This mode can be enabled if the Read and Write passwords have already been
transmitted with a Set Password command before.
If the 64-bit password protection is enabled both passwords are required for read & write
access to protected blocks (pages).
Table 20. Request format
SOF Flags 64 bit PWD
Parameter
IC Mfg code UID CRC16 EOF
8 bits 8 bits 8 bits 64 bits 16 bits
8 bits
Table 21. Response format when Error_flag is set
SOF Flags Error code CRC16 EOF
8 bits 8 bits 16 bits
Table 22. Response format when Error_flag is NOT set
SOF Flags CRC16 EOF
8 bits 16 bits