TK5551A-PP

更新时间： 2024-09-26 13:00:35

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
10页	240K
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中文翻译

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数据手册

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TK5551A-PP 数据手册

Features

• Read/Write Anti-collision ID Transponder in Plastic Package

• Contactless Read/Write Data Transmission

• Inductive Coupled Power Supply at 125 kHz



• Basic Component: R/W IDIC e5551

• Anti-collision Mode by Password Request

– E.g. 10 Transponders Read Out in < 500 ms (RF/32, Maxblock 2)

Depending on the Application

• Built-in Coil and Capacitor for Circuit Antenna

• Starts with Cyclical Data Read Out

• 224-bit EEPROM User Programmable in 32-bit Blocks

• Typically < 50 ms to Write and Verify a Block

• Write Protection by Lock Bits

• Malprogramming Protection

• Options Set by EEPROM

Standard

Read/Write ID

Transponder

with Anti-

– Bit Rate [bit/s]: RF/8, RF/16, RF/32, RF/40, RF/50, RF/64, RF/100, RF/128

– Modulation: BIN, FSK, PSK, Manchester, Bi-phase

Application

• Access Control Systems

collision

• Process Control and Automation Systems

• Installation and Medical Equipment

• Asset Management Systems

TK5551

Description

The TK5551 is a completely programmable R/W transponder which implements all

important functions for identification systems, including anti-collision (e.g., 10 tran-

sponders in < 500 ms depending on the application). It allows the contactless reading

and writing of data which are transmitted bi-directionally between a read/write base

station and the transponder. It is a plastic-packaged device which accommodates the

IDIC e5551 and also the antenna realized as an LC-circuit. No additional external

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

field generated by the base station. Data are transmitted by modulating the amplitude

of the RF field. The TK5551 can be used to adjust and modify the ID code or any other

stored data, e.g., rolling code systems. The on-chip 264-bit EEPROM (8 blocks,

33 bits per block) can be read and written block wise from the base station. The blocks

can be protected against overwriting. One block is reserved for setting the operation

modes of the IC. Another block can obtain a password to prevent unauthorized writing.

Figure 1. System Block Diagram

Base station

U2270B read/ write IC

TK5551 Transponder

RF field

MARC4 series

microcontroller

(e5551 + coil + C in plastic package)

e5551

Power

Data

Coil

Rev. 4709B–RFID–10/03

12 3 4 5 6 7...10

中文翻译

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