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HTMS8301FUG/AM 数据表(PDF) 26 Page - NXP Semiconductors |
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HTMS8301FUG/AM 数据表(HTML) 26 Page - NXP Semiconductors |
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26 / 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 26 of 44 NXP Semiconductors HITAG µ ISO 18000 transponder IC 14.6.1 READ MULTIPLE BLOCKS in INVENTORY mode The READ MULTIPLE BLOCK command can also be sent in inventory mode (which is marked by INV-Flag = '1' within the request). Here request and response will change as shown in following tables. If the transponder detects an error during the inventory sequence, it shall remain silent. After receiving RWD's command without error the transponder IC transmits the remaining section of the UID in dual pattern code. The following data (Error Flag, Data 2, optional CRC in no error case; Error Flag, Error Code, optional CRC in error case) is transmitted in Manchester Code. [1] Error, CRC and Data are Manchester coded, UID is dual pattern coded. Table 21. READ MULTIPLE BLOCKS - request format (12h) Flags Command Mask length Mask value Parameter 1 Parameter 2 CRC-16 Description 5 6 6 n 8 8 (16) No. of bits 10(1)10 010010 0 ≤ n ≤ UID length First block number Number of blocks AC with 1 timeslot 00(1)10 010010 0 ≤ n ≤ UID length First block number Number of blocks AC with 16 timeslot Table 22. READ MULTIPLE BLOCKS in INVENTORY mode Response format [1] Error Flag Data 1 Data 2 CRC-16 Description 1 48 - n 32 x number of blocks (16) No.of bits 0 Remaining section of UID (without mask value) User memory block data |
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