HTMS8201FTK Datasheet, PDF (34/57 Pages) NXP Semiconductors – HITAG transponder IC

NXP Semiconductors
HTMS1x01; HTMS8x01
HITAG µ transponder IC
14.3 INVENTORY
[Advanced, Advanced+]
Upon reception of this command without error, all transponder ICs in the ready state shall
perform the anticollision sequence. The inventory (INV) flag shall be set to '1'. The NOS
flag determines whether 1 or 16 slots are used.
If a transponder IC detects any error, it shall remain silent.
Table 20.
Flags
5
INVENTORY - Request format (00h)
Command Mask length
6
6
10(1)10
000000
0 n UID length
00(1)10
000000
0 n UID length
Mask value
n
UID Mask
UID Mask
CRC-16
(16)
Description
No. of bits
AC with 1
timeslot
AC with 16
timeslot
Table 21. Response to a successful INVENTORY request ^[1][2]
Error Flag Data
1
48 - n
0
Remaining UID without mask value
[1] Error and CRC are Manchester coded, UID is dual pattern coded
[2] Response within the according time slot
Error Flag set to ’0’ indicates no error.
CRC-16
(16)
Description
No. of bits
HTMS1x01_8x01
Product data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.3 — 17 October 2014
152933
© NXP Semiconductors N.V. 2014. All rights reserved.
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