R
EM4223
Table of contents
READ-ONLY UHF RADIO FREQUENCY
IDENTIFICATION DEVICE ACCORDING TO
ISO IEC 18000-6.................................................1
0H
9.
COMMANDS AND STATES............................ 23
43H
Description .................................................................. 1
Typical Applications .................................................... 1
Key words ...................................................................1
Benefits .......................................................................1
1H
2H
3H
4H
Commands ............................................................... 23
Tag States................................................................ 23
Tag state storage ..................................................... 24
4H
45H
46H
10. COLLISION ARBITRATION............................ 25
47H
TABLE OF CONTENTS .....................................2
5H
Absolute Maximum Ratings ........................................ 3
Handling Procedures .................................................. 3
Operating Conditions .................................................. 3
Block Diagram............................................................. 3
Electrical Characteristics............................................. 4
Timing Characteristics ................................................ 4
6H
7H
8H
9H
10H
1H
General explanation of the collision arbitration
mechanism ............................................................... 25
FST SYSTEMS ........................................................ 25
FST MODE OPTIONS.............................................. 26
Use of the round_size function (ISO & FST modes). 27
Ordering Information ................................................ 29
Versions ................................................................... 29
48H
49H
50H
51H
52H
53H
1.
2.
GENERAL DESCRIPTION.................................5
12H
FUNCTIONAL DESCRIPTION ...........................5
13H
General Command Format ......................................... 6
Supported Command set ............................................ 6
14H
15H
3.
BASIC COMMAND FORMATS..........................6
16H
Short commands......................................................... 6
Extended commands .................................................. 6
Implied MUTE command (Fast Supertag Mode only) . 7
Command state transitions ....................................... 11
17H
18H
19H
20H
4.
5.
GENERAL REPLY FORMAT ...........................14
21H
FORWARD LINK ENCODING - READER TO
TRANSPONDER ..............................................15
2H
Carrier modulation pulses ......................................... 15
Basic time interval – definition of “Tari” ..................... 15
Data coding............................................................... 16
Data Frame format.................................................... 16
Data decoding........................................................... 17
Bits and byte ordering ............................................... 17
Reader to Transponder 5 bit CRC (CRC-5) .............. 17
Command Decoder ................................................... 17
23H
24H
25H
26H
27H
28H
29H
30H
6.
RETURN LINK DATA ENCODING -
TRANSPORTER TO READER ........................18
31H
Return link data encoding ......................................... 18
Return link preamble................................................. 19
Cyclic Redundancy Check (CRC) ............................. 19
32H
3H
34H
7.
MEMORY ORGANISATION AND
CONFIGURATION INFORMATION .................19
35H
Memory Map ............................................................. 19
Unambiguous User Data (UUD) & SUID................... 19
AFI ............................................................................ 20
Personality Block ...................................................... 20
36H
37H
38H
39H
8.
TRANSPONDER SELECTION OPERATION –
INIT_ROUND AND BEGIN_ROUND
COMMANDS.....................................................21
40H
INIT_ROUND COMMAND SELECTION OPERATION
.................................................................................. 21
BEGIN_ROUND COMMAND SELECTION
OPERATION ............................................................. 22
41H
42H
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2005, EM Microelectronic-Marin SA
2
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EMMICRO [ EM MICROELECTRONIC - MARIN SA ]
