MFRC531 PDF

If you don't have an account, click here to request an access. The terminal shall allow the selection of a Calypso application with various AID at any time. The terminal shall allow reading, writing and updating Linear files during a secure session, using any SFI or on the current file. The terminal shall allow reading, writing, updating, and appending to Cyclic files during a secure session, using any SFI or on the current file.

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Dt Sheet. This reader IC family utilises an outstanding modulation and demodulation concept completely integrated for all kinds of passive contactless communication methods and protocols at The internal transmitter part is able to drive an antenna designed for proximity operating distance up to mm directly without additional active circuitry.

The receiver part provides a robust and efficient implementation of a demodulation and decoding circuitry for signals from ISO compatible transponders. Additionally a SPI compatible interface is supported. It includes a comfortable bidirectional FIFO buffer and a configurable interrupt output.

The status and control part allows configuration of the device to adapt to environmental influences and to adjust to operate with best performance. Additionally a SPI compatible interface will be supported. The analog circuit includes a transmitting part with a very low impedance bridge driver output. This allows an operating distance up to mm. The receiver is able to detect and decode even very weak responses. Due to a highly sophisticated implementation the receiver is no longer a limiting factor for the operating distance.

The Data processing part performs parallel serial conversion of the data. This gives outstanding RF performance and also maximum flexibility to adapt to different operating voltages of digital and analog part. This signal is modulated by the transmitting data according the register settings. The card responds with load modulation of the RF field. The resulting signal picked up by the antenna is coupled out from the antenna matching circuit and forwarded to the RX-pin. Inside the MF RC the receiver senses and demodulates the signal and processes it according to the register settings.

The MF RC uses a separate power supply for the driver stage. It powers the oscillator, the analog demodulator and decoder circuitry. It is used for design-in support and test purpose. If the device shall operate with an external clock it may be applied to pin XIN. An intelligent autodetection logic automatically adapts the parallel interface to the respective bus system.

Selection of the device is performed with signal NCS. If communication so far has been successful the second part of the authentication procedure can be started. The corresponding keys have to be programmed into the secure non-volatile key memory of the MF RC To request this action the according command has to be triggered. The correct key for the authentication has to be selected from the secure internal non-volatile key memory and loaded into the internal CRYPTO1 register.

Next the authentication command is transmitted to the card. Preliminary specification This data sheet contains preliminary data; supplementary data may be published later. Product specification This data sheet contains final product specifications. Stress above one or more of the limiting values may cause permanent damage to the device.

These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics section of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification.

Life support applications These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury.

Philips customers using or selling these products for use in such applications do so on their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.

Box , Tel. Annie Besant Rd. VB, Tel. Salcedo Village, P. Philips Pty Ltd. Box Johannesburg , Tel. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without any notice.

No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. Philips Semiconductors. Open as PDF.

ECUACION DE GIBBS DONNAN PDF

MFRC531 Specification. Datasheet pdf. Equivalent

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