Datasheet > ATA5577M3330C-DBB

ATA5577M3330C-DBB

更新时间： 2024-01-17 12:19:46

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ATA5577M3330C-DBB 技术参数

Description

The Atmel^®ATA5577C is a contactless read/write IDentification IC (IDIC^®) for applications in the 125kHz or 134kHz

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 363-bit EEPROM (11 blocks with 33 bits each) can be read and written block-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.

Compatibility

The Atmel ATA5577C is designed to be compatible with the Atmel T5557/ATA5567. The structure of the configuration

replace the Atmel e5551/T5551 in most common operation modes. In all applications, the correct functionality of the

replacements must be evaluated and proved.

For further details, refer to the Atmel web site for product-relevant application notes.

System Block Diagram

Figure 3-1. RFID System Using Atmel ATA5577C Tag

Transponder

Power

Reader

Memory

Base station

)

Data

Atmel ATA5577

) Mask option

ATA5577C [DATASHEET]

9187H–RFID–07/14

1 234 5 6 7...47

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