SH7708 Datasheet, PDF(417/633 Page) Renesas Technology Corp – SuperH™ RISC engine

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SH7708 Datasheet, PDF (417/633 Pages) Renesas Technology Corp – SuperH™ RISC engine

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Section 14 Smart Card Interface

14.1 Overview

As an added serial communications interface function, the SCI supports an IC card (smart card)

interface that conforms to the ISO/IEC standard 7816-3 for identification of cards. Register

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

interface.

14.1.1 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.

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