Digital design width CPLD Application and VHDL - Chapter 10 docx

... 011 010 110 110 011 010 010 100 000 000 101 100 100 110 111 111 111 101 101 Q 0 D 2 Q 2 Q 1 Q 2 Q 0 Q 1 Q 0 01 00 0 0 10 11 01 10 11 10 Q 0 D 1 Q 2 Q 1 Q 2 Q 0 Q 1 Q 0 01 00 1 0 11 01 00 10 11 10 Q 0 ... intended func- tion of the state machine. Table 10. 7 4-bit Gray code sequence Q 3 Q 2 Q 1 Q 0 0000 0001 0011 0 010 0 110 0111 0101 0100 1100 1101...

Ngày tải lên: 14/08/2014, 10:22

... process used by CPLD design software to inter- pret design information (such as a drawing or text file) and cre- ate required programming information for a CPLD. Complex PLD (CPLD) A digital device ... interpreted by design software to generate programming in- formation for the CPLD. Compile The process used by CPLD design software to interpret design informa- tion (such...

Ngày tải lên: 14/08/2014, 10:22

... at states 1 110, 1100 , 101 0, 100 0, 0 110, 0100 , 0 010, and 0000). Q 2 toggles when Q 1 AND Q 0 are LOW ( 1100 , 100 0, 0100 , and 0000). Q 3 toggles when Q 2 AND Q 1 AND Q 0 are LOW (100 0 and 0000). ... of flip-flops in a synchronous circuit that hold its present state. KEY TERMS Table 9.3 Count- Sequence Table for a Mod-12 DOWN Counter Q 3 Q 2 Q 1 Q 0 101 1 101 0 100 1...

Ngày tải lên: 14/08/2014, 10:22

... hexadeci- mal equivalents. a. 101 1 1101 0000 110 2 b. 101 10 1101 010 2 c. 1100 0101 1011 2 d. 1101 011 1100 0100 2 e. 101 0101 1 1100 0 0101 2 f. 1100 1100 0101 10111 2 g. 101 000000000000000 2 Section 1.5 Digital ... system stores the sound as a series of bi- nary numbers. Section 1.3 1.2 64; 1.3. 128; 1.4. 101 0000, 101 0001, 101 0 010, 101 0011, 101 0100 , 101 0101 , 101...

Ngày tải lên: 14/08/2014, 10:22

... AND Function Truth Table ABCY 0000 0 010 0100 0 110 1000 101 0 1100 1111 FIGURE 2.4 3-Input AND Gate Symbols Table 2.4 2-input OR Function Truth Table ABY 000 011 101 1 1 1 2.1 • Basic Logic Functions ... 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 Trip...

Ngày tải lên: 14/08/2014, 10:22

... for Example 3.19 ABCD Y 0000 1 0001 1 0 010 1 0011 1 0100 0 0101 1 0 110 0 0111 1 100 0 1 100 1 1 101 0 1 101 1 1 1100 0 1101 1 1 110 0 1111 1 FIGURE 3.49 Example 3.19 K-Maps We get the maximum SOP simplification ... simplified expression. Table 3 .10 Truth Table for Example 3.14 ABCD Y 0000 0 0001 0 0 010 0 0011 0 0100 0 0101 0 0 110 0 0111 0 100 0 1 100 1 1 101 0 1 101 1 1...

Ngày tải lên: 14/08/2014, 10:22

... 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 ... 11111 00111 110 1111 0100 11 110 111 0101 111 110 11 0 1101 111 110 1 011111111 110 1XXX11111111 ❘❙❚ EXAMPLE 5.3 Figure 5.7 shows a partial Graphic Design File, created i...

Ngày tải lên: 14/08/2014, 10:22

... ϭ 0 1100 000 Ϫ96 ϭ 100 11111 (1’s complement) ϩ 1 101 00000 (2’s complement) ϩ42 ϭ 0 0101 010 Ϫ42 1101 0101 (1’s complement) ϩ 1 1101 0 110 (2’s complement) Ϫ96 101 00000 Ϫ42 1101 0 110 Ϫ138 1 01 1101 10 (Magnitude ... 0 1100 000 Ϫ96 ϭ 100 11111 (1’s complement) ϩ 1 101 00000 (2’s complement) ϩ22 ϭ 00 0101 10 Ϫ22 1 1101 001 (1’s complement) ϩ 1 1 1101 010 (2’s complement) Ϫ96 101 0...

Ngày tải lên: 14/08/2014, 10:22

... Use MAXϩPLUS II to create simple circuits and simulations with D latches and D, JK, and T flip-flops. • Create simple flip-flop designs using VHDL. T he digital circuits studied to this point have ... 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...

Ngày tải lên: 14/08/2014, 10:22

... a 2-bit Equality Comparator A 1 A 0 B 1 B 0 Decimal AEQB 0000 0 1 0001 1 0 0 010 2 0 0011 3 0 0100 4 0 0101 5 1 0 110 6 0 0111 7 0 100 0 8 0 100 1 9 0 101 0 10 1 101 1 11 0 1100 12 0 1101 13 0 1 110 ... BCD and 2421 Code BCD Code 2421 Code Decimal Equivalent D 4 D 3 D 2 D 1 Y 4 Y 3 Y 2 Y 1 0 0000 0000 1 0001 0001 2 0 010 0 010 3 0011 0011 4 0100 0100 5 0101 101 1 6 0 110 1...

Ngày tải lên: 14/08/2014, 10:22