Rev. 5.00, 12/03, page 487 of 1088
Section 13 Smart Card Interface
13.1
Overview
The 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 register setting.
13.1.1
Features
Features of the smart card interface supported by the chip is 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
•
Built-in 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 and receive-data-full interrupts can activate the data transfer
controller (DTC) to execute data transfer
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