SL2ICS53 datasheet(15/33 Pages) NXP

15 / 33 page

113730

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

64 bits

8 bits

16 bits

8 bits

Table 24.

Protection status

Protection Status

32 bit Password Protection

64 bit Password Protection

00h

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

16 bits

Table 26.

Response format when Error_flag is NOT set

SOF

Flags

CRC16

EOF

8 bits

16 bits

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