SH7136 datasheet(128/1160 Pages) RENESAS

128 / 1160 page

Section 6 Interrupt Controller (INTC)

Rev. 2.00 Sep. 10, 2008 Page 102 of 1130

REJ09B0402-0200

Bit

Bit Name

Initial

Value

R/W

Description

IRQ1F

R/W

Indicates the status of an IRQ1 interrupt request.

• When level detection mode is selected

0: An IRQ1 interrupt has not been detected

[Clearing condition]

Driving pin IRQ1 high

1: An IRQ1 interrupt has been detected

[Setting condition]

Driving pin IRQ1 low

• When edge detection mode is selected

0: An IRQ1 interrupt has not been detected

[Clearing conditions]

 Writing 0 after reading IRQ1F = 1

 Accepting an IRQ1 interrupt

1: An IRQ1 interrupt request has been detected

[Setting condition]

Detecting the specified edge of pin IRQ1

IRQ0F

R/W

Indicates the status of an IRQ0 interrupt request.

• When level detection mode is selected

0: An IRQ0 interrupt has not been detected

[Clearing condition]

Driving pin IRQ0 high

1: An IRQ0 interrupt has been detected

[Setting condition]

Driving pin IRQ0 low

• When edge detection mode is selected

0: An IRQ0 interrupt has not been detected

[Clearing conditions]

 Writing 0 after reading IRQ0F = 1

 Accepting an IRQ0 interrupt

1: An IRQ0 interrupt request has been detected

[Setting condition]

Detecting the specified edge of pin IRQ0

Note:

The initial value is 1 when the level on the corresponding IRQ pin is high, and 0 when

the level on the pin is low.

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