R5F72115D160FPV datasheet(883/1228 Pages) RENESAS

883 / 1228 page

Section 19 Pin Function Controller (PFC)

Rev. 2.00 May. 08, 2008 Page 859 of 1200

REJ09B0344-0200

19.1.8

IRQOUT Function Control Register (IFCR)

IFCR is a 16-bit readable/writable register that is used to control the

IRQOUT/REFOUT pin

output when it is selected as the multiplexed pin function by port B control register H4

(PBCRH4). When PBCRH4 selects another function, the IFCR setting does not affect the pin

function.

IFCR is initialized to H'0000 by a power-on reset; but is not initialized by a manual reset or in

sleep mode or software standby mode.

0000000000000000

RRRRRRRRRRRRRR

R/W

Bit:

Initial value:

R/W:

------------

IRQMD[1:0]

Bit

Bit Name

Initial

Value

R/W

Description

15 to 2

⎯

All 0

Reserved

These bits are always read as 0. The write value

should always be 0.

1, 0

IRQMD[1:0]

R/W

IRQOUT Mode

Select the function of the

IRQOUT/REFOUT pin when

bits 10 to 8 (PB30MD[2:0]) in PBCRH4 are set to

B'001.

00: Interrupt request accept signal output

01: Refresh signal output

10: Interrupt request accept signal output or refresh

signal output (depends on the operating state)

11: Always high-level output

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