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Truth Tables & PLACE Switching & Logic Laboratory.

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Presentation on theme: "Truth Tables & PLACE Switching & Logic Laboratory."— Presentation transcript:

1 Truth Tables & PLACE Switching & Logic Laboratory

2 Overview Interface Truth Tables JED file

3 Pre Laboratory 1 Get out K-maps and equation Show K-maps and equations to laboratory assistant. If process not complete, leave laboratory at end of slides and complete at table in hall for 10 point penalty Else continue with task 1.

4 PEEL Interface System D0 D1 D2 D3 DP SegG SegF SegE SegD SegC SegB SegA V0 V1 V2 V3 + 5 V 0101 Clock Vector 1.0 PEEL On Daughter Board myPEEL 7-Segment Display On Daughter Board

5 Option 1 Input Output = on and 0 = off 0 = on and 1 = off

6 Option 2 Input Output = on and 1 = off

7 Enter Truth Table Data TRUTH_TABLE FUNCTIONS ( I1 I0 -> O3 O2 O1 O0) 0 0 -> > > > END;

8 Seven Segment Display Codes AGDAGD BCBC FEFE

9 Demonstrate WinPLACE andWinPLACE Truth Tables here.

10 Sequence Select 18CV8 device Title, Name, Date, and Description Label pins Allocate truth table header Enter table data Compiler truth table Simulate, check results, append vectors Program PEEL and verify design by exercising

11 Task 2 RED file contains reduced eaquation version of PSF file Equations SEGA.COM = !D0 & !D2 # D0 & !D1 & D3 # !D1 & !D2 & D3 # D1 & !D3 # D0 & D2 & !D3;

12 PEEL Column & Row Layout Column 0toColumn 35 Row 0 to Row7 PEELs used column and row notation for each fuse. Note fuse at each intersection. Column 12, Row 4

13 Linear Array Layout of JED File L L0035 L0036 = 1*36+0 L0071 = 1*36+35 L0287 = 7*36+35 = 287

14 Col-Row to/from Linear Array Column & Row to Linear Array L = Row*36 + Column L = 17* = L0633 Linear Array to Coumn & Row Row = L/36 Column = L%36 Row = 633/36 = = 17 Colum = 633%36 = *36 = 21

15 Pin 17 Linear Address Range CLK D0 D1 D2 D3 SEGF 16*36+0 = L *36+35 = L0863

16 File format - Task 3 Comment Pins Fuses Default Note Location & Logic

17 File format - Task 3 L * N Output Pin 19* p1 p11 p2 p19 p3 p18 p4 p17 p5 p16 p6 p15 p7 p14 p8 p13 p9p12 Pn Pn Result Pn 0 1 Pn = Pn Pn p19 = !p2p3p4p5 or DP = !D0D1D2D3 1 = Blown 0 = Not Blown

18 Big Picture -- Task SEGF = !D0 & !D1 & D2 & D3 # D0 & D1 & !D2 & D3 # !D0 & D1 & !D2 & D3 # D0 & !D1 & !D2 & D3 # !D0 & !D1 & !D2 & D3 # !D0 & D1 & D2 & !D3 # D0 & !D1 & D2 & !D3 # !D0 & !D1 & D2 & !D3 # !D0 & !D1 & !D2 & !D3; SEGG = D0 & !D1 & D2 & D3 # D0 & D1 & !D2 & D3 # !D0 & D1 & !D2 & D3 # D0 & !D1 & !D2 & D3 # !D0 & !D1 & !D2 & D3 # !D0 & D1 & D2 & !D3 # D0 & !D1 & D2 & !D3 # !D0 & !D1 & D2 & !D3 # D0 & D1 & !D2 & !D3 # !D0 & D1 & !D2 & !D3; DP = !D0 & D1 & D2 & D3; SEGA= !D0 & !D1 & D2 & D3 # !D0 & D1 & !D2 & D3 # D0 & !D1 & !D2 & D3 # !D0 & !D1 & !D2 & D3 # D0 & D1 & D2 & !D3 # !D0 & D1 & D2 & !D3 # D0 & !D1 & D2 & !D3 # D0 & D1 & !D2 & !D3 # !D0 & D1 & !D2 & !D3 # !D0 & !D1 & !D2 & !D3; Task 1 Task 4

19 Big Picture Continued TRUTH_TABLE SEVSEG D3 D2 D1 D0 SEGA SEGB SEGC SEGD SEGE SEGF DP PSF SEGA = !D0&D1&D2&D3#.RED L …11*.JED SEGA = !D0*D1*D2*D3+.PSF BP-1400 Task 1 Task 4


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