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20 gru 2020 · Each PIC has 8 input lines, called Interrupt Requests (IRQ), numbered from 0 to 7. When one of these lines goes high, the PIC alerts the CPU and sends the appropriate interrupt number. This number is calculated by adding the IRQ number (0 to 7) to an internal "vector offset" value.
24 cze 2010 · The following list of IRQ numbers specifies what each of the 16 IRQ lines are used for. Prior to plug-and-play devices, users had to set IRQ values of devices manually when adding the device, such as a modem or printer, to a system.
Use jumper block S3 and S4 to configure the COM port address for optional Serial Port 3 and 4 respectively. The basic architecture for the PC provides for four COM ports: COM1-COM4.
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Default COM Port and IRQ Jumper Settings NOTE:NOTE: An instrument such as tweezers or needle nose pliers can be used to gently remove the jumpers from the jumper blocks.
7) przedmioty i materiały wymienione w zał ączniku nr 4. 2. Posterunek dró żnika przejazdowego mo że by ć dodatkowo wyposa żony w SWDP i urz ądzenia radiołączno ści z systemem „Radio-stop”. 3. Dró żnik przejazdowy powinien dba ć o wyposa żenie posterunku. § 4. Ogólne obowi ązki dró żnika przejazdowego 1.
In a computer, an interrupt request (or IRQ) is a hardware signal sent to the processor that temporarily stops a running program and allows a special program, an interrupt handler, to run instead. Hardware interrupts are used to handle events such as receiving data from a modem or network card, key presses, or mouse movements.
