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TDA8005A - Low-power 3 V/5 V smart card coupler

General Description

TDA8005A Control and communication through a standard RS232 full-duplex interface Optional additional I/O ports for: keyboard LEDs display

etc.

P80CL51 microcontroller core with 4-kbyte ROM and 256-byte RAM.

Key Features

  • Smart card supply (5 and 3 V ±5%, 20 mA maximum with controlled rise and fall times).
  • Smart card clock generation (up to 8 MHz), with two times synchronous frequency doubling.
  • Clock STOP HIGH, clock STOP LOW or 1.25 MHz (from internal oscillator) for cards power-down mode.
  • Specific UART on I/O for automatic direct/inverse convention settings and error management at character level.
  • Automatic activation and deactivation sequences through an independen.

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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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INTEGRATED CIRCUITS DATA SHEET TDA8005A Low-power (3 V/5 V) smart card coupler Preliminary specification File under Integrated Circuits, IC17 1998 Mar 20 Philips Semiconductors Preliminary specification Low-power (3 V/5 V) smart card coupler FEATURES • Smart card supply (5 and 3 V ±5%, 20 mA maximum with controlled rise and fall times) • Smart card clock generation (up to 8 MHz), with two times synchronous frequency doubling • Clock STOP HIGH, clock STOP LOW or 1.25 MHz (from internal oscillator) for cards power-down mode • Specific UART on I/O for automatic direct/inverse convention settings and error management at character level • Automatic activation and deactivation sequences through an independent sequencer • Supports the protocol T = 0 in accordance with ISO 7816 GSM11.