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S3C72G9 Datasheet(PDF) 53 Page - Samsung semiconductor |
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S3C72G9 Datasheet(HTML) 53 Page - Samsung semiconductor |
53 / 96 page ![]() 4)''!!-$, EI Operation: Operand Operation Summary Bytes Cycles - Enable all interrupts 2 2 Description: Bit 3 of the interrupt priority register IPR (IME) is set to logic one. This allows all interrupts to be serviced when they occur, assuming they are enabled. If an interrupt's status latch was previously enabled by an interrupt, this interrupt can also be serviced. Operand Binary Code Operation Notation - 1 1 1 1 1 1 1 1 IM ← 1 1 0 1 1 0 0 1 0 Example: If the IME bit (bit 3 of the IPR) is logic zero (e.g., all instructions are disabled), the instruction EI sets the IME bit to logic one, enabling all interrupts. |
Similar Part No. - S3C72G9 |
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Similar Description - S3C72G9 |
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