Section 15 Smart Card Interface; Overview; Features - Renesas H8S Series Hardware Manual

16-bit single-chip microcomputer

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SCI supports an IC card (Smart Card) interface conforming to ISO/IEC 7816-3 (Identification Card) as a serial

communication interface extension function.

Switching between the normal serial communication interface and the Smart Card interface is carried out by means of a

Features of the Smart Card interface supported by the H8S/2357 Group are as follows.

• Asynchronous mode

 Data length: 8 bits

 Parity bit generation and checking

 Transmission of error signal (parity error) in receive mode

 Error signal detection and automatic data retransmission in transmit mode

 Direct convention and inverse convention both supported

• On-chip baud rate generator allows any bit rate to be selected

• Three interrupt sources

 Three interrupt sources (transmit data empty, receive data full, and transmit/receive error) that can issue requests

independently

 The transmit data empty interrupt and receive data full interrupt can activate the DMA controller (DMAC) or data

transfer controller (DTC) to execute data transfer

Section 15 Smart Card Interface

Rev.6.00 Oct.28.2004 page 517 of 1016

REJ09B0138-0600H