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Engineering Digital Design
book

Engineering Digital Design

by Richard F. Tinder
January 2000
Intermediate to advanced content levelIntermediate to advanced
884 pages
29h 39m
English
Academic Press
Content preview from Engineering Digital Design
FIGURE 15.11
Block diagram for a candy-bar vending machine showing controller and data path devices.
FIGURE 15.12
State diagram and definitions for the pulse mode design of the candy-bar vending machine controller
shown in Fig. 15.11.
784
15.4 DESIGN EXAMPLES 785
general understanding:
r
Coins are placed in the slots of the coin receiver (CR) and the 4-bit adder in the
accumulator is automatically updated.
r
Each quarter (Q), dime (D), or nickel (N) that is inserted into the coin receiver
(CR) is encoded according to the number of nickels: N = 0001, D = 0010, ...
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Publisher Resources

ISBN: 9780126912951