HD6433713 datasheet(72/324 Pages) RENESAS

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Bit 1: IRQ1 pin input edge select (IEG1)

Bit 1

IEG1

Description

Falling edge of IRQ1 pin input is detected.

(initial value)

Rising edge of IRQ1 pin input is detected.

Bit 0: IRQ0 pin input edge select (IEG0)

Bit 0

IEG0

Description

Falling edge of IRQ0 pin input is detected.

(initial value)

Rising edge of IRQ0 pin input is detected.

Interrupt enable register 1 (IENR1)

IENR1 is an 8-bit read/write register that enables or disables external interrupts.

Bits 7 and 6: Reserved bits

Bits 7 and 6 are reserved; they always read 1, and cannot be modified.

Bits 5 and 4: IRQ5 and IRQ4 interrupt enable (IEN5 and IEN4)

Bits 5 and 4

IEN5, IEN4

Description

Disables interrupt requests by IRRI5 and IRRI4.

(initial value)

Enables interrupt requests by IRRI5 and IRRI4.

Bits 3 and 2: Reserved bits

Bits 3 and 2 are reserved, but they can be written and read.

Bits 1 and 0: IRQ1 and IRQ0 interrupt enable (IEN1 and IEN0)

Bits 1 and 0

IEN1, IEN0

Description

Disables interrupt requests by IRRI1 and IRRI0.

(initial value)

Enables interrupt requests by IRRI1 and IRRI0.

Bit

Initial value

Read/Write

—

IEN5

R/W

IEN4

R/W

—

R/W

IEN0

R/W

—

R/W

IEN1

R/W

HD6433713 Datasheet(PDF) 72 Page - Renesas Technology Corp

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