SH7124 datasheet(99/774 Pages) RENESAS

Part #	SH7124

Description	Renesas 32-Bit RISC Microcomputer SuperH??RISC engine Family

PDF	774 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

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99 / 774 page

Section 5 Exception Handling

Rev. 4.00 Jul. 25, 2008 Page 79 of 750

REJ09B0243-0400

5.4

Interrupts

5.4.1

Interrupt Sources

Table 5.7 shows the sources that start the interrupt exception handling. They are NMI, user break,

IRQ, and on-chip peripheral modules.

Table 5.7

Interrupt Sources

Type

Request Source

Number of

Sources

NMI

NMI pin (external input)

User break

User break controller (UBC)

IRQ

IRQ0 to IRQ3 pins (external input)

4 (SH7125)

3 (SH7124)

On-chip peripheral module

Multi-function timer pulse unit 2 (MTU2)

Watchdog timer (WDT)

A/D converter (A/D_0 and A/D_1)

Compare match timer (CMT_0 and CMT_1)

Serial communication interface (SCI_0, SCI_1,

and SCI_2)

Port output enable (POE)

All interrupt sources are given different vector numbers and vector table address offsets. For

details on vector numbers and vector table address offsets, see table 6.3 in section 6, Interrupt

Controller (INTC).

SH7124 Datasheet(PDF) 99 Page - Renesas Technology Corp