ECE 4110– 5110 Digital System Design FPGA notes Agenda CPLDs FPGAs Announcements n/a Page 1
Figure 9-38: A 4x3 PLA with six product terms Lecture #3 Page 2
PLD split Page 3
Lecture #3 Page 4
Figure 9-39: Architecture of Xilinx 9500-family CPLDs Page 5
Lecture #3 Page 6
Figure 9-41: XC9500 product-term allocator and macrocell. Page 7
Figure 9-42: XC9500 I/O block Page 8
Figure 9-43: XC95108 switch-matrix requirements.. Page 9
Figure 9-44: General FPGA chip architecture. Page 10
Lecture #3 Page 11
Figure 9-45: XC4000 configurable logic block. Page 12
Figure 9-46: XC4000 I/O block. Page 13
Figure 9-47: XC4000 general interconnect structure. Page 14
Figure 9-48: XC4000 CLB and wire connection details. Page 15
Figure 9-49: XC4000 programmable connections: (a) programmable switch matrix (PSM); (b) programmable switch element (PSE); (c) a few possible connections. Page 16