MC68HC708XL36 FREESCALE [Freescale Semiconductor, Inc], MC68HC708XL36 Datasheet - Page 319

• Manufacturer Part Number: MC68HC708XL36
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

9-intirq2_a
MOTOROLA
IRQ2F — IRQ2 Flag
ACK2 — IRQ2 Interrupt Request Acknowledge Bit
IMASK2 — IRQ2 Interrupt Mask Bit
MODE2 — IRQ2 Interrupt Edge/Level Select Bit
IRQ1F — IRQ1 Flag
ACK1 — IRQ1 Interrupt Request Acknowledge Bit
IMASK1 — IRQ1 Interrupt Mask Bit
This read-only bit is high when an IRQ2 CPU interrupt is pending.
Reset clears IRQ2F.
Writing a logic 1 to this write-only bit clears the IRQ2 CPU interrupt
request. ACK2 always reads as logic 0. Reset clears ACK2.
Writing a logic 1 to this read/write bit disables IRQ2 CPU interrupt
requests. Reset clears IMASK2.
This read/write bit controls the triggering sensitivity of the IRQ2 pin.
Reset clears MODE2.
This read-only bit is high when an IRQ1 CPU interrupt is pending.
Writing a logic 1 to this write-only bit clears the IRQ1 CPU interrupt
request. ACK1 always reads as logic 0. Reset clears ACK1.
Writing a logic 1 to this read/write bit disables IRQ1 CPU interrupt
requests. Reset clears IMASK1.
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1 = IRQ2 CPU interrupt pending
0 = IRQ2 CPU interrupt not pending
1 = IRQ2 CPU interrupt requests masked
0 = IRQ2 CPU interrupt requests not masked
1 = IRQ2 CPU interrupt requests on falling edges and low levels
0 = IRQ2 CPU interrupt requests on falling edges only
1 = IRQ1 CPU interrupt pending
0 = IRQ1 CPU interrupt not pending
1 = IRQ1 CPU interrupt requests masked
0 = IRQ1 CPU interrupt requests not masked
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IRQ
IRQ Status and Control Register
MC68HC708XL36
IRQ
319