vectored interrupt

vectored interrupt

[′vek·tərd ′in·tə·rəpt]
(computer science)
A signal that instructs a computer program to temporarily halt the processing it is doing and transfer control to a routine whose address is given by an entry in a jump vector specified by a value included in the signal.
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Most also share the simple vectored interrupt structure which ensures rapid, real time interrupt response, with low software overhead.
Other key features included within the family are an 8-input 10-bit Analog to Digital Converter with integrated touch screen controller, 32KB of on-chip SRAM, a Vectored Interrupt Controller to speed the serving of interrupts, three UARTs, Synchronous Serial Port, three 16-bit Counter/Timers with Capture, Compare and PWM logic, Watchdog Timer and Low Voltage Detector.
The XA-C3 also supports multi-tasking and real-time operation with a 16-level interrupt priority system that handles the 42 vectored interrupts with fast context switching.