SL2ICS5301EWSLASHV7 datasheet(17/33 Pages) NXP

17 / 33 page

113730

Product data sheet

Rev. 3.0 — 14 March 2007

17 of 33

NXP Semiconductors

SL2 ICS53/SL2 ICS54

I•CODE SLI-S/I•CODE SLI-S HC

PUBLIC

8.1.3.8 Get multiple block protection status

Command Code = B8h

To the Get Multiple Block Protection Status command the label responds with the block

protection status of the requested blocks.

Remark: If the sum of the first block number and the number of blocks exceeds the total

available number of user blocks the number of transmitted security status bytes is less

than the requested number, which means that the last returned status byte is the one

corresponding to the highest available user block, followed by the 16-bit CRC and the

EOF.

Table 30.

Request format

SOF Flags

Get Multiple

Block Protection

Status

IC Mfg

code

UID

First

Block

Number

Blocks

CRC16

EOF

8 bits

64 bits

8 bits

16 bits

8 bits

Table 31.

Response format when Error_flag is set

SOF

Flags

Error code

CRC16

EOF

8 bits

16 bits

Table 32.

Response format when Error_flag is NOT set

SOF

Flags

Block Protection

Status

CRC16

EOF

8 bits

16 bits

Repeated as needed

Table 33.

Block protection status

Bit

Name

Value

Description

b1 (LSB)

Lock bit (WAC)[1] 0

Block is not locked

Block is locked (Lock Block command)

Read password

protected

disabled

enabled

Write password

protected

disabled

enabled

Page protection

lock

not locked

locked

b5 to b8 (MSB)

[1]

WAC... Write access condition

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