Hp E1459A Manual do Utilizador descarregar pdf (Página 14)

Installing and Configuring the HP E1459A 13

The HP E1459A can be programmed to monitor channel occurrences either

internally with a 1.0 MHz sample clock, or externally, with a sourced

capture clock. Using either clocking technique, data channels may function

as edge detect inputs and/or data capture inputs.

Events at any channel may occur simultaneously or in overlap with events

on any other channel. Figure 1-2 is a block diagram of the hardware interrupt

resolver circuit. User software algorithms are also necessary to resolve

issues of overlap and to determine the occurring sequence of events.

Figure 1-2. Resolver Block Diagram

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Hp E1459A Manual do Utilizador Página 14