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HTMS8201FTK データシート(PDF) 35 Page - NXP Semiconductors |
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HTMS8201FTK データシート(HTML) 35 Page - NXP Semiconductors |
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35 / 57 page ![]() HTMS1x01_8x01 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. Product data sheet COMPANY PUBLIC Rev. 3.3 — 17 October 2014 152933 35 of 57 NXP Semiconductors HTMS1x01; HTMS8x01 HITAG µ transponder IC 14.4 INVENTORY ISO 11785 [Advanced, Advanced+] Upon reception of this command without error, all transponder ICs in the ready state are performing the anticollision sequence. The inventory (INV) flag is set to '1'. The NOS flag determines whether 1 or 16 slots are used. In contrast to INVENTORY command the transponder IC (holding requested slot) sends the 64-bit ISO 11785 number in addition to remaining UID. The 64-bit number is taken from a fixed area of EEPROM. It will not be checked on ISO 11785 compliance before sending. If a transponder IC detects any error, it remains silent. [1] Error, CRC and ISO 11785 number are Manchester coded, UID is dual pattern coded 14.5 STAY QUIET [Advanced, Advanced+] Upon reception of this command without error, a transponder IC in either ready state or selected state enters the quiet state and shall not send back a response. The STAY QUIET command with both SEL and ADR flag set to '0' or both set to '1' is not allowed. There is no response to the STAY QUIET request, even if the transponder detects an error Table 22. INVENTORY ISO 11785 - request format (23h) Flags Command Mask length Mask value CRC-16 Description 5 6 6 n (16) No. of bits 10(1)10 100011 0 n UID length UID Mask AC with 1 timeslot 00(1)10 100011 0 n UID length UID Mask AC with 16 timeslot Table 23. Response to a successful INVENTORY ISO 11785 request[1] Error Flag Data 1 Data 2 CRC-16 Description 1 48 - n 64 (16) No. of bits 0 Remaining UID without mask value ISO 11785 number Table 24. STAY QUIET - request format(01h) Flags Command Data CRC-16 Description 5 6 (48) (16) No. of bits: 00(1)00 000001 - without UID 11(1)00 000001 UID with UID |
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