TK5552 ATMEL Corporation, TK5552 Datasheet

TK5552

Manufacturer Part Number

TK5552

Description

Read/Write Transponder

Manufacturer

ATMEL Corporation

Datasheet

1.TK5552.pdf (22 pages)

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Features

•

Applications

•

Description

The TK5552 is a complete programmable R/W transponder that implements all impor-

tant functions for identification systems. It allows the contactless reading (uplink) and

writing (downlink) of data which are transmitted bi-directionally between a read/write

base station and the transponder. It is a plastic cube device which accomodates the

IDIC transponder IC and the antenna is realized as an LC circuit. No additional exter-

nal power supply is necessary for the transponder because it receives power from the

RF field generated by the base station. Data is transmitted by modulating the ampli-

tude of the RF field (uplink mode). The TK5552 can be used to adjust and modify the

ID code or any other stored data, e.g., rolling code systems. The on-chip 1056-bit

EEPROM (32 blocks, 33 bits per block) can be read (uplink) and written (downlink)

blockwise from the base station. The blocks can be protected against overwriting. One

block is reserved for setting the operation modes of the IC.

Contactless Read/Write Data Transmission

992-bit EEPROM User Programmable in 31 Blocks ´ 32 Bits

Inductively Coupled Power Supply at 125 kHz

Basic Component: R/W IDIC

Built-in Coil and Capacitor for Circuit Antenna

Starts with Cyclical Data Read Out

Typical < 50 ms to Write and Verify a Block

Modulation Defeat (for EAS)

Direct Access to Each Block

Configurable POR Delay

Write Protection by Lock Bits

Malprogramming Protection

Configurable Options:

Industrial Asset Management

Process Control and Automation

Installation and Medical Equipment

– Bit Rate [Bit/s]: RF/16 and RF/32

– Modulation: Manchester

– POR Delay: 1 ms/65 ms

– Maximum Block: 0, 1, 1 to 2, 1 to 3, 1 to 4, .... 1 to 31

Transponder IC

Read/Write

Transponder

TK5552

www.DataSheet4U.com

Rev. 4698A–RFID–04/03

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