H8SLASH3021 datasheet(109/712 Pages) RENESAS

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5. Interrupt Controller

Rev.2.00 Mar. 22, 2007 Page 85 of 684

REJ09B0352-0200

Bit 7—Priority Level A7 (IPRA7): Selects the priority level of IRQ

0 interrupt requests.

Bit7

IPRA7

Description

IRQ

0 interrupt requests have priority level 0 (low priority)

(Initial value)

IRQ

0 interrupt requests have priority level 1 (high priority)

Bit 6—Priority Level A6 (IPRA6): Selects the priority level of IRQ

1 interrupt requests.

Bit6

IPRA6

Description

IRQ

1 interrupt requests have priority level 0 (low priority)

(Initial value)

IRQ

1 interrupt requests have priority level 1 (high priority)

Bit 5—Reserved bit: This bit can be written and read, but it does not affect interrupt priority.

Bit 4—Priority Level A4 (IPRA4): Selects the priority level of IRQ

4 and IRQ5 interrupt requests.

Bit4

IPRA4

Description

IRQ

4, IRQ5 interrupt requests have priority level 0 (low priority)

(Initial value)

IRQ

4, IRQ5 interrupt requests have priority level 1 (high priority)

Bit 3—Priority Level A3 (IPRA3): Selects the priority level of WDT interrupt requests.

Bit3

IPRA3

Description

WDT interrupt requests have priority level 0 (low priority)

(Initial value)

WDT interrupt requests have priority level 1 (high priority)

Bit 2—Priority Level A2 (IPRA2): Selects the priority level of ITU channel 0 interrupt requests.

Bit2

IPRA2

Description

ITU channel 0 interrupt requests have priority level 0 (low priority)

(Initial value)

ITU channel 0 interrupt requests have priority level 1 (high priority)

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