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One of these bits goes HIGH when the internal flip-flops of the counter hold a particular value. The multibit port called eql) is an output decoder, consisting of 16 outputs: eq0, eql, eq2. Table 9.13 in Digital Design with CPLD Applications and VHDL, 2e lists the required ports and parameters for various functions of Ipm_counter The function of one port is worthy of special mention. The function of each port and permissible values of all parameters for this component are listed in the Help for the component, accessible from the Quartus II Help menu.
#WHAT IS A SYMBOL ALTERA QUARTUS II SOFTWARE#
Dueck, Robert K., Digital Design with CPLD Applications and VHDL, 2le Chapter 9: Counters and Shift Registers CPLD Trainer: Altera UP-2 circuit board with ByteBlaster Download cable, or DeVry eSOC board with Parallel Port cable, or RSR PLDT-2 circuit board with Straight-Through Parallel Port cable, or equivalent CPLD trainer board with Altera EPM71285 CPLD Quartus II Student Web Edition software AC adapter, minimum output: 7 VDC, 250 mA DC Anti-static wrist strap #22 solid-core wire Wire strippers Experimental Notes LIN AVALUE LPM_DIRECTION LPML_MODULUS=10 LAMI_SVALUE LPM WIDTH=4 LPM COUNTER LPM Counters Figure 25.1 shows the symbol for the Ipm_counter component with a minimal set of ports and a modulus of 10. Combine components to make a digital stopwatch.Create a BCD counter using a counter from the Altera Library of Parameterized Modules (LPM) in a Block Diagram File.Reference Equipment Required Upon completion of this laboratory exercise, you should be able to: Create a binary counter in VHDL. Under project navigator, click Files tab, then right click at slower_clock.Transcribed image text: Lab Digital Stopwatch (Lab Project 1) 25 Name Class Date Objectives. We need to do this so that this slower_clock module is available as a symbol for other project that use Schematic diagram. If LED lights up but did not blink, try using other clock pins (12, 14, 62) Create Symbol for the slower_clock pof file and CFM, UFMįinally, click Start and wait for the programming complete Then for the Program/Configure column, check all box for the compiled. In Programmer Window Under Menu bar, Click Hardware Setup, the set to USB-Blaster Go to main window, click Start Compilation. Pin 20 should be at top row, second column from left.Ĭompile (full compilation) and Program to CPLD Use breadboard and male-female jumper wires to complete the connection. On your board, Connect to Pin 20 of the CPLD board to an LED with resistor. The crystal oscillator may be connected to different pin. Note: If after compiling and programming, LED does not blink, try pin 12, 14, or 62 instead. Save the file, click Start Analysis & Synthesis button. during positive edge, if counter is 5,000,000 set clkOutput as NOT clkOutput.during positive edge, increase counter by one, when it reaches 5,000,000 reset back to 0 in non-blocking assignment.using formula global clock frequency / desired frequency / 2 = counter end value.Assuming the global clock is 50MHz and we want 5Hz clock.create a 23-bit register called counter.set a module with input clk, output clkOutput.If(counter=5000000) counter <= 0 else counter <= counter+1 In this case, slower_clock module slower_clock(input clk, output reg clkOutput)
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Then under Unused Pins tab, Set Reserve all unused pins: As input tri-statedĬreate Verilog File and Compile the file (Analysis & Synthesis)įor the project be able to compile, the module name must be the same as set during the project set up. LED on even if no signal)Ĭlick the name MAX II: EMP240T100C5 (with the pyramid symbol We also need to set unused pins as tri-state, else if default is used (ground), it may be harder to debug program after programming (e.g.