Renesas SH7781 User Manual

Page 1125

21. Serial Communication Interface with FIFO (SCIF)

Rev.1.00 Jan. 10, 2008 Page 1095 of 1658

REJ09B0261-0100

Table 21.7 SCIF Interrupt Sources

Interrupt
Source Description

DMAC
Activation

Priority on
Reset Release

ERI

Interrupt initiated by receive error flag (ER)

Not possible

High

RXI

Interrupt initiated by receive FIFO data full flag
(RDF) or receive data ready flag (DR)*

Possible

BRI

Interrupt initiated by break flag (BRK) or overrun
error flag (ORER)

Not possible

TXI

Interrupt initiated by transmit FIFO data empty
flag (TDFE)

Possible

Low

Note: * An RXI interrupt by setting of the DR flag is available only in asynchronous mode.