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MAX66020
ISO/IEC 14443 Type B-Compliant
1Kb Memory Fob
________________________________________________________________
Maxim Integrated Products
1
19-5540; Rev 0; 12/10
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
General Description
The MAX66020 combines 1024 bits of user EEPROM, a
64-bit unique identifier (UID), and a 13.56MHz RF inter-
face (ISO/IEC 14443 Type B, Parts 2-4) in a plastic key
fob. The memory is organized as 16 blocks of 8 bytes
plus two more blocks for data and control registers.
Four adjacent user EEPROM blocks form a memory
page (pages 0 to 3). Memory protection features are
write protection and EPROM emulation, which the user
can set for each individual memory page. Memory
access is accomplished through the block transmission
protocol (ISO/IEC 14443-4), where requests and
responses are exchanged through I-blocks once a
device is in the ACTIVE state. The data rate can be as
high as 847.5kbps. The reader must support a frame
size of 19 bytes. The device supports an application
family identifier (AFI) and a card identifier (CID).
ISO/IEC 14443 functions not supported are chaining,
frame-waiting time extension, and power indication.
Applications
Driver Identification (Fleet Application)
Access Control
Asset Tracking
Features
Fully Compliant ISO/IEC 14443 (Parts 2-4) Type B
Interface
13.56MHz ±7kHz Carrier Frequency
1024-Bit User EEPROM with Block Lock Feature,
Write-Cycle Counter, and Optional EPROM-
Emulation Mode
64-Bit UID
Read and Write (64-Bit Block)
Supports AFI and CID Function
10ms Maximum Programming Time
To Fob: 10% ASK Modulation at 105.9kbps,
211.9kbps, 423.75kbps, or 847.5kbps
From Fob: Load Modulation Using BPSK
Modulated Subcarrier at 105.9kbps, 211.9kbps,
423.75kbps, or 847.5kbps
200,000 Write/Erase Cycles (Minimum)
40-Year Data Retention (Minimum)
Powered Entirely Through the RF Field
Operating Temperature: -25°C to +50°C
Ordering Information
+
Denotes a lead(Pb)-free/RoHS-compliant package.
PART TEMP RANGE PIN-PACKAGE
MAX66020K-000AA+ -25°C to +50°C Key Fob
IC LOAD
SWITCHED
LOAD
MAGNETIC
COUPLING
ANTENNA
RX_IN
TX_OUT
TRANSMITTER
13.56MHz READER
MAX66020
Typical Operating Circuit
Key Fob Mechanical Drawing appears at end of data sheet.
EVALUATION KIT
AVAILABLE
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Indice de contenidos

Pagina 1 - 1Kb Memory Fob

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob________________________________________________________________Maxim Integrated Products119-5540;

Pagina 2

MAX66020the block number field. The block number is used toensure that the response received relates to therequest sent. This function is important in

Pagina 3

The command descriptions in this section only showthe information field of the I-blocks used to transmitrequests and responses. Since the MAX66020 nei

Pagina 4

Write Single BlockThe normal way to write data to the device is throughWrite Single Block. This command uses one command-specific parameter, which is

Pagina 5

MAX66020Read Single Block with Block Security StatusThis command allows for retrieving the security statusof a memory block followed by the memory blo

Pagina 6

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob14 ______________________________________________________________________________________Write AFI

Pagina 7

MAX66020IDLEREADYPOWER-OFFWAITING FORSLOT-MARKER*ACTIVEHALTANY OTHER COMMANDIN FIELDANY OTHER COMMAND OR CASEOUT OF FIELD(FROM ANY STATE)ANY OTHER C

Pagina 8

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob16 ______________________________________________________________________________________TERM DESC

Pagina 9

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob______________________________________________________________________________________ 17ISO/IEC 1

Pagina 10

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob18 ______________________________________________________________________________________Network F

Pagina 11

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob______________________________________________________________________________________ 19to choose

Pagina 12

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob2 _______________________________________________________________________________________ABSOLUTE

Pagina 13

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob20 ______________________________________________________________________________________shows whe

Pagina 14

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob______________________________________________________________________________________ 21Param 2 i

Pagina 15

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob22 ______________________________________________________________________________________CID in th

Pagina 16

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob______________________________________________________________________________________ 23SLOT-MARK

Pagina 17

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob24 ______________________________________________________________________________________MAX66020K

Pagina 18

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory FobMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied

Pagina 19

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob_______________________________________________________________________________________ 3Detailed

Pagina 20

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob4 _______________________________________________________________________________________AVAILABLE

Pagina 21

Block 10h provides storage for user-programmableparameters that are defined by the ISO/IEC 14443 stan-dard. These are application data field and AFI.

Pagina 22

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob6 _______________________________________________________________________________________AFFECTED

Pagina 23

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob_______________________________________________________________________________________ 7ISO/IEC 1

Pagina 24

MAX66020ISO/IEC 14443 Type B-Compliant1Kb Memory Fob8 _______________________________________________________________________________________DATA TO B

Pagina 25

ISO/IEC 14443 BlockTransmission ProtocolBefore the master can send a data packet to access thememory, the MAX66020 must be in the ACTIVE state.The pro

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