Logical Devices, Inc. provides this manual “as is” without warranty of any kind, either should not be viewed as any sort of definitive reference on the CUPL. WinCUPL is a language designed to support the development of PLDs .. into a document such as a manual and file for input into the CUPL simulator. 2. See the Atmel – WinCUPL User’s Manual for more information. Logic: examples of simple gates expressed in CUPL. */ inva =!a;.

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L extension is used to specify input into a latch. Compile Status After the compilation is completed, there will be several files created. Read the following experiment. The check for bit equality is made for each constant value in the range. A list of input values can be specified to make multiple assignments in a single statement.

The levels 0 to 4 correspond to the minimization levels available: A bit field containing A2 and B2 will assign both of these variables to the same bit position.


CUPL Programmer s Reference Guide – PDF

The use ee the T extension causes the compiler to configure the macrocell as a T-type register. PALs have a very popular architecture and are probably the most widely used type of user programmable device. Do not use spaces within a variable name. A F3 PT4 C. Second edition – Dept. Representation of Data In contrast with higher-level programming languages, C does not provide strong abstractions for representing data.

Sequential Circuits Sequential wincu;l are those with memory, also called feedback.


To know what extensions are available for a particular device, use CBLD with the -e flag. Other common number systems: Figure Missing Figure 1. This means that the circuits have a memory More information.

It stores program data and the results.

For 3 or more inputs, the XOR gate More information. Consider the following example. It is a multipurpose, programmable More information.

The combinatorial logic section of the block is capable of implementing any Boolean function of its input variables. Where the bit position is a binary 1, The set element is unchanged.


For example, design a three to eight decoder. This feature is available on the ATF family of devices with or more macrocells.

It also contains flip-flops that can be used to buffer inputs and outputs.

The CUPL Environment

Circuits are temperature compensated. Fall Instructor Texts University of St. Chapter 3 Chapter 3 3. This new capability is available in two distinct areas of variable usage: After pin declarations are made, remove manhal lines. These computers mankal designed and constructed based on digital and Integrated Circuit. The general architectures may vary but normally consists of one or more arrays of AND and OR terms for implementing logic functions. Instructions in the Computer Figure 2.

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