Digital design width CPLD Application and VHDL - Chapter 8 doc

... 3 58 CHAPTER 8 • Introduction to Programmable Logic Architectures Carry-In and Cascade-In Carry-Out and Cascade-Out LE1 LE2 LE3 LE4 LE5 LE6 LE7 LE8 LE8 Dedicated Inputs and Global ... PAL16R8 8. 5 Universal PAL and Generic Array Logic (GAL) 8. 8 Name two features of a PALCE16V8 that make it supe- rior to a PAL16L8. 8. 9 State the difference between a global architecture cel...

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... 65 0-9 6 7 -8 81 8 Fx 65 0-9 6 7 -8 83 6 intectra@best.com www.intectra.com (Web site in Spanish only) 4.3 Graphic Design File Graphic Design File (gdf) A PLD design file in which the digital design is en- tered as a ... process used by CPLD design software to inter- pret design information (such as a drawing or text file) and cre- ate required programming information...

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... Write the VHDL code for a 16-bit latch with common active-HIGH enable, using MAXϩPLUS II latch primitives. 7.4 Edge-Triggered D Flip-Flops Edge The HIGH-to-LOW (negative edge) or LOW-to-HIGH (positive ... in an edge-triggered flip-flop that con- verts the active edge of a CLOCK input to an active-level pulse at the internal latch’s SET and RESET inputs. Edge-sensitive Edge-triggered. Edge-t...

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... (AND) of all previous Qs. Figure 9.19 shows the circuit for the 4-bit counter, including an asynchronous reset. FIGURE 9. 18 Example 9.5 K-Maps for a 4-bit Counter Based on D Flip-Flops 3 98 CHAPTER ... Flip-Flop) INPUT RESET INPUT VCC CLOCK Q 3 OUTPUT element Q COUNT CLOCK RESET Q 2 OUTPUT element Q COUNT CLOCK RESET Q 1 OUTPUT element Q COUNT CLOCK RESET Q 0 OUTPUT element Q COUNT CLOCK...

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... 10 .8. 487 DFF CLRN PRN Q D in1 INPUT q 2 OUTPUT out1 d 0 q 0 OUTPUT out2 DFF CLRN PRN Q D DFF CLRN PRN Q D clk INPUT d 1 q 1 d 2 q 2 q 1 q 0 d 2 d 1 d 0 NOT NOT NOT NOT AND3 AND3 AND3 AND4 AND3 AND3 AND3 OR2 OR2 FIGURE 10.35 Example 10.5 Two-pulse Generator 472 CHAPTER 10 • State Machine Design The next-state and output equations are: D ... analog-to -digital converter, as...

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... using the sum-of-powers-of-2 method. SOLUTION 1 28 Ͼ 92 Ͼ 64 1 32 16 8 4 2 1 92 – 64 = 28 64 1 32 16 8 4 2 1 92 – (64 + 16) = 12 64 0 1 1 32 16 8 4 2 1 57 – (32 + 16 + 8) = 1 1 1 1 32 16 8 4 2 1 57 ... Problem 1.6 1 .8 Convert the following decimal numbers to binary. Use the sum-of-powers-of-2 method for parts a, c, e, and g. Use the repeated-division-by-2 method for parts b, d,...

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... Function 74HC00A High-speed CMOS Quad 2-input NAND 74HC02 High-speed CMOS Quad 2-input NOR 74ALS04 Advanced low-power Schottky TTL Hex inverter 74LS11 Low-power Schottky TTL Triple 3-input AND 74F20 FAST ... in- put terminals. Multiple-Input NAND and NOR Gates Table 2 .8 shows the truth tables of the 3-input NAND and NOR functions. The logic circuit symbols for these gates are shown in...

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... one cell of the circled pair, and B is a coordinate of the other. (Dis- card B/B ෆ .) Y ϭ A ෆ Three- and Four-Variable Maps Refer to the forms of three- and four-variable Karnaugh maps shown ... QR ෆ S ෆ term is synthe- sized from a NAND, then an AND, as shown in Figure 3.9a. Also shown is the second AND term, S ෆ T. 98 CHAPTER 3 • Boolean Algebra and Combinational Logic Using...

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... operation of combina- tional circuits. • Design BCD-to-seven-segment and hexadecimal-to-seven-segment de- coders, including special features such as ripple blanking, using VHDL and Graphic Design Files ... relationship be- tween inputs and outputs, as defined by the design file, and generates a set of response outputs. Figure 5 .8 shows a set of simulation waveforms created for...

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... Ϫ2 7 ϭϪ1 28) ❘❙❚ EXAMPLE 6.11 Write Ϫ16 10 a. As an 8- bit 2’s complement number b. As a 5-bit 2’s complement number ( 8- bit numbers are more common than 5-bit numbers in digital systems, but it is use- ful ... American Standard Code for Information Interchange (ASCII) represents alphanumeric and control code characters in a 7- or 8- bit format. There are a number of different di...

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