HTMS8201FTK datasheet(40/57 Pages) NXP

40 / 57 page

HTMS1x01_8x01

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Product data sheet

COMPANY PUBLIC

Rev. 3.3 — 17 October 2014

152933

40 of 57

NXP Semiconductors

HTMS1x01; HTMS8x01

HITAG µ transponder IC

14.9 LOCK BLOCK

[

, Advanced, Advanced+]

Upon reception of this command without error, the transponder IC is write locking the

requested block (block size = 32-bit) permanently.

Blocks within the block address range from 00h to 17h as well as FEh and FFh can be

locked individually.

For HITAG µ advanced+ transponder IC a LOCK BLOCK command with a block number

value between 18h to 36h will lock all blocks within the block address range 18h to 36h.

In case a password is applied to the memory a lock is only possible after a successful

Error Flag set to ’0’ indicates no error.

Table 35.

LOCK BLOCK (advanced/advanced+) - request format (16h)

Flags

Command

Data 1

Data 2

CRC-16

Description

(48)

(16)

No. of bits

00(1)00

010110

block number

without UID

in READY

state

10(1)00

010110

UID

block number

with UID in

READY

state

01(1)00

010110

block number

without UID

SELECTED

state

Table 36.

LOCK BLOCK (µ) - request format (16h)

Flags

Command

Data 1

Data 2

CRC-16

Description

(48)

(16)

No. of bits

00(1)00

010110

UID

block number

without UID

in READY

state

10(1)00

010110

block number

with UID in

READY

state

Table 37.

Response to a successful LOCK BLOCK request

Error flag

CRC-16

Description

(16)

No. of bits

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