SH7721 datasheet(321/1524 Pages) RENESAS

321 / 1524 page

Section 8

Interrupt Controller (INTC)

Rev. 3.00 Jan. 18, 2008 Page 259 of 1458

REJ09B0033-0300

8.3.10

Interrupt Request Register 6 (IRR6)

IRR6 is an 8-bit register that indicates whether interrupt requests from the PINT, SIOF0, and

SIOF1 are generated. This register is initialized to H'00 by a power-on reset or manual reset, but is

not initialized in standby mode.

Bit

Bit Name

Initial Value

R/W

Description

7, 6



All 0

Reserved

This bit is always read as 0. The write value

should always be 0.

SIOF1IR

R/W

SIOF1I Interrupt Request

Indicates whether the SIOF1I (SIOF1) interrupt

request is generated.

0: SIOF1I interrupt request is not generated

1: SIOF1I interrupt request is generated

SIOF0IR

R/W

SIOF0I Interrupt Request

Indicates whether the SIOF0I (SIOF0) interrupt

request is generated.

0: SIOF0I interrupt request is not generated

1: SIOF0I interrupt request is generated

3, 2



All 0

Reserved

These bits are always read as 0. The write value

should always be 0.

PINTBR

R/W

PINTB Interrupt Request

Indicates whether the PINTB (PINT) interrupt

request is generated.

0: PINTB interrupt request is not generated

1: PINTB interrupt request is generated

PINTAR

R/W

PINTA Interrupt Request

Indicates whether the PINTA (PINT) interrupt

request is generated.

0: PINTA interrupt request is not generated

1: PINTA interrupt request is generated

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