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Published on 2010-04-30T13:50:18Z
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how to enable external interrupt of 8051?
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Hello
I am writing a program for class to simulate a tv remote in a MIPS/SPIM enviroment. The functions of the program itself are unimportant as they worked fine before the interrupt so I left them all out. The gaol is basically to get a input from the keyboard by means of interupt, store it in…
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I have ubuntu server 11.10 64 bit
I see an error in kernel.log. This error comes out when the server reboot.
some port of grep APCI in kernel.log;
Dec 5 09:08:51 www kernel: [ 0.588605] pci0000:00: Requesting ACPI _OSC control (0x1d)
Dec 5 09:08:51 www kernel: [ 0.588667] pci0000:00: ACPI _OSC…
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Could someone help me clarify the following conecpts, and the relationship among them?
Maskable interrupt
Unmaskable interrupt
Hardware interrupt
Software interrupt
CPU INTR pin
the IF bit of EFlags register
Some specific questions:
What's the relationship between Maskable/Unmaskable interrupt…
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Learning Outcomes Name different device categories Discuss the functions and structure of I/.O modules Describe the principles of Programmed I/O Describe the principles of Interrupt-driven I/O Describe the principles of DMA Discuss the evolution characteristic of I/O channels…
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Hi, I've been testing some software in a server virtual environment and I've noticed I get a huge amount of CPU usage on the Interrupts process.
My question is, how does this relate to the virtual hardware platform as the rate is allot lower in a real system. Some how the hypervizor scheduler works…
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