Mapping on Fully Dedicated Architecture - Digital Design of Signal Processing Systems: A Practical Approach - page 137

16

x 1 [n]

20

combinational
block 1

18

combinational
block 2

a

combinational
block 5

20 20

16

x 2 [n] g out

18 b

20

18

combinational
block 3

d

16

c

18

16

x 3 [n]
x 4 [n]

f

18

combinational
block 4 16

e

18

Figure 4.3 Register transfer level design consisting of combinational blocks and registers

clk

Critical
Path

clk

clk

Figure 4.4 Closer look at a combinational cloud and registers depicting the critical path

4.4 Kahn Process Networks
4.4.1 Introduction to KPN
A system implementing a streaming application is best represented by autonomously running
components taking inputs from FIFOs on input edges and generating output in FIFOs on the output