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HTMS8301FUG/AM 数据表(PDF) 28 Page - NXP Semiconductors |
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HTMS8301FUG/AM 数据表(HTML) 28 Page - NXP Semiconductors |
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28 / 44 page ![]() 184430 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet PUBLIC Rev. 3.0 — 18 March 2010 184430 28 of 44 NXP Semiconductors HITAG µ ISO 18000 transponder IC 14.8 LOCK BLOCK 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 18h as well as FEh and FFh can be locked individually. A LOCK BLOCK command with a block number value between 19h to 36h will lock all blocks within the block address range 19h to 36h. In case a password is applied to the memory a lock is only possible after a successful login. Error Flag set to ’0’ indicates no error. Table 25. LOCK BLOCK - request format (16h) Flags Command Data 1 Data 2 CRC-16 Description 5 6 (48) 8 (16) No. of bits 00(1)00 010110 - block number without UII in READY state 10(1)00 010110 UII block number with UII 01(1)00 010110 - block number without UII in SELECTED state Table 26. Response to a successful LOCK BLOCK request Error flag CRC-16 Description 1 (16) No. of bits 0 |
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