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UTDA8024 - IC CARD INTERFACE

Description

The UTC UTDA8024 is analog interface IC for 3V or 5V smart cards.

It is placed between the card and the microcontroller to perform communication, control function, all supply and protection functions.

It requires very few external components for application.

Features

  • S.
  • Three specifically protected half-duplex bidirectional buffered I/O lines to card contacts C4, C7 and C8.
  • Automatic activation and deactivation sequences; initiated by software or by hardware in the event of a short-circuit, card take-off, overheating, VDD or VDDP drop-out.
  • 26MHz integrated crystal oscillator.
  • DC/DC converter for VCC generation separately powered from a 5 V ± 20% supply (VDDP and PGND).
  • 3V or 5V ± 5% regulated card supply voltage (VCC) with appropriat.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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UNISONIC TECHNOLOGIES CO., LTD UTDA8024 Preliminary LINEAR INTEGRATED CIRCUIT IC CARD INTERFACE  DESCRIPTION The UTC UTDA8024 is analog interface IC for 3V or 5V smart cards. It is placed between the card and the microcontroller to perform communication, control function, all supply and protection functions. It requires very few external components for application. It can be applied in many fields, such as IC card readers for banking, pay TV, Identification, Electronic payment, etc.
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