SH7261 datasheet(140/1348 Pages) RENESAS

140 / 1348 page

Section 5 Exception Handling

Rev. 2.00 Sep. 07, 2007 Page 108 of 1312

REJ09B0320-0200

5.6

Interrupts

5.6.1

Interrupt Sources

Table 5.8 shows the sources that start up interrupt exception handling. These are divided into

NMI, user breaks, H-UDI, IRQ, PINT, and on-chip peripheral modules.

Table 5.8

Interrupt Sources

Type

Request Source

Number of

Sources

NMI

NMI pin (external input)

User break

User break controller (UBC)

H-UDI

User debugging interface (H-UDI)

IRQ

IRQ0 to IRQ7 pins (external input)

PINT

PINT0 to PINT7 pins (external input)

A/D converter (ADC)

CD-ROM decoder (ROM-DEC)

Multifunction timer pulse unit 2 (MTU2)

Realtime clock (RTC)

Watchdog timer (WDT)

I²C bus interface 3 (IIC3)

Direct memory access controller (DMAC)

Serial communication interface with FIFO (SCIF)

Controller area network (RCAN-ET)

IEBus

TM controller (IEB)

Serial sound interface (SSI)

On-chip peripheral module

8-bit timer (TMR)

Each interrupt source is allocated a different vector number and vector table offset. See table 6.4

in section 6, Interrupt Controller (INTC), for more information on vector numbers and vector table

address offsets.

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