Encore SIM EDITOR SOFTWARE User's Guide download pdf (Page 200)

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Logic Browser

Selecting a Signal with Expressions

Verilog permits complex expressions to drive port and terminal

connections. A basic problem with complex expressions is that they

can present ambiguity in signal selection. The Connection Dialog lets

you further define the focus.

The HiConn expression and LoConn expression fields display the text

of the HiConn and LoConn port expressions for a port instance.

(Because primitive terminals do not have a LoConn, their LoConn

field is empty.)

The HiConn Signal/Value and LoConn Signal/Value lists show all of

the signals used in the port connection. For simple port connections,

there may be only a single signal/value pair. For more complex port

connections, the list displays each signal of the port expression and

that signal’s value.

The HiConn/LoConn Bit and Signal/Value lists can be very useful for

tracking connectivity problems, because they display a bit per bit, right

justified text, and mapping of the HiConn port expression to the

LoConn port expression. The list displays the least significant to most

significant bits from top to bottom. The string "***" is used as a place

holder for constants and parameters.

The HiConn Signal/Value, LoConn Signal/Value, and HiConn/

LoConn Bit/Value lists scroll in synchronization as a group.

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