Datasheet

113730 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 3.0 — 14 March 2007 15 of 33
NXP Semiconductors
SL2 ICS53/SL2 ICS54
I•CODE SLI-S/I•CODE SLI-S HC
PUBLIC
8.1.3.6 Protect page
Command Code = B6h
With the Page Protection command the page protection condition can be changed under
the following circumstances:
• The related passwords (Read and/or Write password) have been transmitted before
with the Set Password command. If the page is public no password is required.
• The addressed page Protection condition is not locked (see Page Protection
Condition Lock)
Table 23. Request format
SOF Flags Protect
Page
IC Mfg
code
UID Page
number
Protectio
n Status
CRC16 EOF
8 bits 8 bits 8 bits 64 bits 8 bits 8 bits 16 bits
8 bits
Table 24. Protection status
Protection Status 32 bit Password Protection 64 bit Password Protection
00h Public Public
01h Read and Write protected by the
Read password
Read and Write protected by the
Read plus Write password
10h Write protected by the Write
password
Write protected by the Read plus
Write password
11h Read protected by the Read
password and Write protected by the
Write password
Read and Write protected by the
Read plus Write password
Table 25. Response format when Error_flag is set
SOF Flags Error code CRC16 EOF
8 bits 8 bits 16 bits
Table 26. Response format when Error_flag is NOT set
SOF Flags CRC16 EOF
8 bits 16 bits