SH7727 Datasheet, PDF(615/1109 Page) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

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SH7727 Datasheet, PDF (615/1109 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7700 Series

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Section 18 Smart Card Interface

Section 18 Smart Card Interface

18.1 Overview

As an additional serial communications interface function (SCI), an IC card (smart card) interface

that is compatible to the ISO/IEC standard 7816-3 for identification of cards is supported. Register

settings are used to switch between the ordinary serial communication interface and the smart card

interface.

18.1.1 Features

The smart card interface has the following features:

â¢ Asynchronous mode

ï£§ Data length: Eight bits

ï£§ Parity bit generation and check

ï£§ Receive mode error signal detection (parity error)

ï£§ Transmit mode error signal detection and automatic re-transmission of data

ï£§ Supports both direct convention and inverse convention

â¢ Bit rate can be selected using on-chip baud rate generator.

â¢ Three types of interrupts: Transmit-data-empty, receive-data-full, and communication-error

interrupts are requested independently.

Rev. 5.00 Dec 12, 2005 page 543 of 1034

REJ09B0254-0500

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