SL2ICS53 datasheet(13/33 Pages) NXP

13 / 33 page

113730

Product data sheet

Rev. 3.0 — 14 March 2007

13 of 33

NXP Semiconductors

SL2 ICS53/SL2 ICS54

I•CODE SLI-S/I•CODE SLI-S HC

PUBLIC

8.1.3.4 Lock password

Command Code = B5h

With the Lock Password command the addressed password will be locked if the related

password has already been transmitted with a Set Password command before. A locked

password can not be changed any longer.

The different passwords are addressed with the Password Identifier.

Table 16.

Request format

SOF

Flags

Lock

Password

IC Mfg

code

UID

Password

Identifier

CRC16

EOF

8 bits

64 bits

8 bits

16 bits

8 bits

Table 17.

Password identifier

Password Identifier

Password

01h

Read

02h

Write

04h

Privacy

08h

Destroy SLI-S

10h

EAS

Table 18.

Response format when Error_flag is set

SOF

Flags

Error code

CRC16

EOF

8 bits

16 bits

Table 19.

Response format when Error_flag is NOT set

SOF

Flags

CRC16

EOF

8 bits

16 bits

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