MC908MR16CFUE Datasheet, PDF(95/282 Page) Freescale Semiconductor, Inc – On-chip programming firmware for use with host personal computer, Clock generator module (CGM)

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MC908MR16CFUE Datasheet, PDF (95/282 Pages) Freescale Semiconductor, Inc – On-chip programming firmware for use with host personal computer, Clock generator module (CGM)

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IRQ Status and Control Register

IMASK1 â IRQ Interrupt Mask Bit

Writing a logic 1 to this read/write bit disables IRQ interrupt requests. Reset clears IMASK1.

1 = IRQ interrupt requests disabled

0 = IRQ interrupt requests enabled

MODE1 â IRQ Edge/Level Select Bit

This read/write bit controls the triggering sensitivity of the IRQ pin. Reset clears MODE1.

1 = IRQ interrupt requests on falling edges and low levels

0 = IRQ interrupt requests on falling edges only

IRQF â IRQ Flag

This read-only bit acts as a status flag, indicating an IRQ event occurred.

1 = External IRQ event occurred.

0 = External IRQ event did not occur.

MC68HC908MR32 â¢ MC68HC908MR16 Data Sheet, Rev. 6.1

Freescale Semiconductor

95

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