Lucent Technologies MN10285K Manual De Usuario

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MN102H series devices can stop executing instructions, even those with 
long execution cycles, to service interrupts immediately. After an interrupt 

occurs, the program branches to the interrupt service routine within six 
cycles or less. The architecture also includes a programmable interrupt 

handler, which allows you to adjust interrupt servicing speed within the 
software when necessary, improving real-time control performance.

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The interrupt controller supports a maximum of 64 interrupt vectors. 

(Vectors 0 to 3 are nonmaskable interrupts.) Groups of up to four vectors are 
assigned to classes, and each class can be set to one of seven priority levels. 

This gives the software designer great flexibility and fine control. The core is 
also backwards compatible with software from previous Panasonic 

peripheral modules.

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The MN102H series provides DMA, handshaking, bus arbitration, and other 
functions that ensure a fast, efficient interface with other devices.

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The MN102H series combines hardware optimized for C language pro-

gramming with a highly efficient C compiler, resulting in assembly codes the 
same size as that produced directly in assembly language. This gives 

designers the advantage of short development time in a C language envi-
ronment without the trade-off in code size expansion. The PanaXSeries 

development tools support MN102H series devices.

Main Program

Instruction 1

Instruction 2

Instruction 3

Instruction 4

Interrupt Service Routine

Interrupt  Request