SL2S5302_SL2S5402 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 3.2 — 27 August 2012
192132 16 of 35
NXP Semiconductors
SL2S5302; SL2S5402
ICODE SLIX-S
8.4.3.6 PROTECT PAGE
Command code = B6h
The PROTECT PAGE command enables the page protection condition to be changed
under the following circumstances:
• The related passwords (Read and/or Write password) have been transmitted first with
the SET PASSWORD command. If the 64-bit PASSWORD PROTECT EAS/AFI is
enabled, the Read and Write passwords have to be transmitted first.
• The addressed page protection condition is not locked (see Section 8.4.3.7 “LOCK
PAGE PROTECTION CONDITION” on page 16
The timing of the command is write alike.
8.4.3.7 LOCK PAGE PROTECTION CONDITION
Command code = B7h
The LOCK PAGE PROTECTION CONDITION command enables the status of the page
protection condition of the related page to be locked if the Read and Write passwords
have been transmitted first with the SET PASSWORD command.
The timing of the command is write alike.
Table 24. 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
optional
8 bits 8 bits 16 bits -
Table 25. 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 26. Response format when Error_flag set
SOF Flags Error code CRC16 EOF
- 8 bits 8 bits 16 bits -
Table 27. Response format when Error_flag NOT set
SOF Flags CRC16 EOF
- 8 bits 16 bits -
