PROGRAMMABLE INTERRUPT CONTROLLER

GENERAL DESCRIPTION The 8259A Programmable Interrupt Controller handles up to eight vectored priority interrupts for the CPU. It is cascadable for up to 64 vectored priority interrupts without additional circuitry. It is packaged in a 28-pin DIP, uses NMOS technology, and requires a single +5-V s

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INTEL

英特爾

PROGRAMMABLE INTERRUPT CONTROLLER

GENERAL DESCRIPTION The 8259A Programmable Interrupt Controller handles up to eight vectored priority interrupts for the CPU. It is cascadable for up to 64 vectored priority interrupts without additional circuitry. It is packaged in a 28-pin DIP, uses NMOS technology, and requires a single +5-V s

文件：325.44 Kbytes 頁數(shù)：24 Pages

INTEL

英特爾

PROGRAMMABLE INTERRUPT CONTROLLER

Intel

英特爾

PROGRAMMABLE INTERRUPT CONTROLLER

General Description The Altera? a8259 MegaCore? function is a programmable interrupt controller. The a8259 can be initialized by the microprocessor through eight data bus lines (din[7..0] and dout[7..0]), and the ncs, nrd, nwr, int, and ninta control signals. Figure 1 shows the symbol for the

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ALTERA

阿爾特

15 XGA TFT LCD Industrial Workstation with 9 x ISA/PCI/PICMG Slots, Passive Backplane and Membrane Keypad

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ADVANTECH

研華科技

15 XGA TFT LCD Industrial Workstation with 9 x ISA/PCI/PICMG Slots, Passive Backplane and Membrane Keypad

文件：181.95 Kbytes 頁數(shù)：2 Pages

ADVANTECH

研華科技