PCIF0 datasheet(4/294 Pages) ATMEL

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9219A–RFID–01/11

Atmel ATA5505 [Preliminary]

1.1

System Block Diagram

The system block diagram for a stand alone reader application is shown in Figure 1-1. No

additional microcontroller is required..

Figure 1-1.

System Block Diagram - Stand Alone Reader

A system block diagram for a reader station application with a LIN transceiver IC is shown in

Figure 1-2. The reader is then communicating with a central unit.

Figure 1-2.

System Block Diagram - Reader with LIN Connection

All Atmel

® LF-RFID tag ICs can be read by the ATA5505: e5530, TK5530, e5551, T5551,

TK5551, e5552, TK5552, e5554, T5555, Q5, T5557, ATA5567, ATA5558, T5561, TK5561,

ATA5577, ATA5575.

1.2

Block Diagram

In Figure 1-3 on page 5 the basic architecture of the Atmel ATA5505 consisting of the Atmel

AVR and the front end is shown. The Atmel AVR is a low-power CMOS 8-bit microcontroller

with RISC architecture. The Atmel AVR includes several features. The main features are

in-system programmable Flash, EEPROM, SRAM, Ports A and B as general purpose I/O

lines, a timer and a LIN controller. The details of the front end are shown in Figure 1-4 on page

Read Channel

Frontend

MCU

Core

Immobilizer

Stack

SPI

T/ATA5551

ATA5557/67

ATA5577

ATA5558

ATA5575

Successor

Osc

Atmel ATA5505

Read Channel

MCU

Core

Immobilizer

Stack

LIN

UART

LIN

TRx

Central

Unit

T/ATA5551

ATA5557/67

ATA5577

ATA5558

ATA5575

Successor

Osc

Atmel ATA5505

Reader

Frontend

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