ATA5558 ATMEL Corporation, ATA5558 Datasheet

ATA5558

Manufacturer Part Number

ATA5558

Description

Manufacturer

ATMEL Corporation

Datasheet

1.ATA5558.pdf (42 pages)

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Features

•

1. General Description

The ATA5558 is a contactless, two-terminal R/W-Identification IC (IDIC

single tag applications in the low frequency ( 125 kHz) range. The passive tag uses

the external RF signal to generate it’s own power supply and internal clock reference.

Figure 1-1.

It contains an EEPROM which is subdivided into 1024 bits of user memory and

320 bits of system memory. Both memory sections are organized in data blocks of

32 bits, each equipped with an associated lock bit for block write protection. The user

memory, which is intended for storage of recallable user data, is made of 32 such

blocks. The 10 block system memory section is reserved for system parameter and

configuration settings. Two of these blocks include a 32 bit read and a 32 bit write

password to prevent unauthorized read and/or write access to protected user defin-

able memory pages.

Contactless Read/Write Data Transmission

Radio Frequency f

User Memory (1024 Bits):

Deterministic Anticollision: Detection Rate ~ 20 Tags/s with 40-bit Tag ID, RF/32

On-chip CRC Generator:

Downlink Transmission:

Uplink Transmission:

Integrated Tuning Capacitor: 75 pF ±10% as Mask Option

System Memory (320 bits):

Base station

Interrogator

Reader or

– 10 Write and Password Protectable 32 Bit Blocks of Data

– Tag ID (96 Bits Maximum)

– Traceability Data with Inherent Manufacturer Serial Number

– Write Password (32 Bits) and Read Password (32 Bits),

– Configuration Register for Setup of:

with Page Orientated Memory Protection Areas

• Selectable Data Bit Rate: RF/2 .. RF/64

• Selectable Tag ID Length to Optimize Anticollision Detection Rate

• Start of Frame with Variable Preamble Length to Simplify Interrogator Design

• Public Mode (PM) for Read Only Tag Emulation

• Electrical Article Surveillance (EAS) Mode

• Direct Data (NRZ), Bi-phase (FDX-B) or Manchester Data Encoding

RFID System Using an ATA5558 Tag

Enhanced 1 out of 4 Pulse Interval Encoding (~ 5 kbps)

100 kHz to 200 kHz

32 Write Protectable 32-bit Blocks of Data

16-bit CRC-CCITT Compliant to ISO/IEC 11785

ASK Modulated, NRZ, Manchester or Bi-phase Encoding

Power

Data

* Mask option

Transponder

ATA5558

Memory

) for multi- or

1 kbit R/W IDIC

with

Deterministic

Anticollision

ATA5558

Preliminary

Rev. 4681C–RFID–09/05

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