ATA5575M1 ATMEL Corporation, ATA5575M1 Datasheet

ATA5575M1

Manufacturer Part Number

ATA5575M1

Description

Manufacturer

ATMEL Corporation

Datasheet

1.ATA5575M1.pdf (7 pages)

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Features

•

1. Description

The ATA5575 is a contactless read/write identification IC (IDIC

the 100-kHz to 150-kHz frequency band. A single coil connected to the chip serves as

the IC’s power supply and bi-directional communication interface. The antenna and

chip together form a transponder or tag.

The on-chip 128-bit user EEPROM (16 bytes with 8 bits each) can be read and written

byte-wise from a base station (reader). Data is transmitted from the IDIC (uplink) using

load modulation. This is achieved by damping the RF field with a resistive load

between the two terminals Coil 1 and Coil 2. The IC receives and decodes serial base

station commands (downlink), which are encoded as 100% amplitude modulated

(OOK) pulse-interval-encoded bit streams.

The ATA5575 is an EEPROM-based circuit. It is optimized for maximum read range.

Programming is also possible, but the write range is limited.

The chip has to be locked after loading the application-specific data into the device.

Until the enable bits are set properly, the ATA5575M1 transmits all digits “0” in unique

format. Typical applications run at 125 kHz.

Contactless Power Supply

Contactless Read/Write Data Transmission

Radio Frequency f

128-bit EEPROM User Memory: 16 Bytes (8 Bits Each)

8-bit Configuration Memory

High Q-antenna Tolerance Due to Built-in Options

Applications

On-chip Trimmed Antenna Capacitor

Mega Pads 200 µm

Other Options:

– Access Control

– 330 pF ±3%

– 250 pF ±3%

– Direct Access Mode

– OTP Functionality

• Standard Unique Format (Manchester, RF/64)

• 40-bitData Memory

• 14-bit Parity Memory

• 9-bit Header Memory

from 100 kHz to 150 kHz

400 µm

400 µm with 25 µm Gold Bumps for Direct Coil Bonding

) for applications in

Read/Write

LF RFID IDIC

100 kHz to

150 kHz

ATA5575M1

Summary

Preliminary

NOTE: This is a summary document.

The complete document is available.

For more information, please contact

your local Atmel sales office.

9167AS–RFID–11/09

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