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Xilinx CPLDs and FPGAs Module F2-1. CPLDs and FPGAs XC9500 CPLD XC4000 FPGA Spartan FPGA Spartan II FPGA Virtex FPGA.

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Presentation on theme: "Xilinx CPLDs and FPGAs Module F2-1. CPLDs and FPGAs XC9500 CPLD XC4000 FPGA Spartan FPGA Spartan II FPGA Virtex FPGA."— Presentation transcript:

1 Xilinx CPLDs and FPGAs Module F2-1

2 CPLDs and FPGAs XC9500 CPLD XC4000 FPGA Spartan FPGA Spartan II FPGA Virtex FPGA

3 XC9500 CPLDs 5 volt in-system programmable (ISP) CPLDs 5 ns pin-to-pin 36 to 288 macrocells (6400 gates) Industry’s best pin- locking architecture 10,000 program/erase cycles Complete IEEE JTAG capability Function Block 1 JTAG Controller Function Block 2 I/O Function Block 4 3 Global Tri-States 2 or 4 Function Block 3 I/O In-System Programming Controller FastCONNECT Switch Matrix JTAG Port 3 I/O Global Set/Reset Global Clocks I/O Blocks 1

4 XC9500 Function Block To FastCONNECT From FastCONNECT 2 or 4 3 Global Tri-State Global Clocks I/O 36 Product- Term Allocator Macrocell 1 AND Array Macrocell 18 Each function block is like a 36V18 !

5 XC9500 Product Family 9536 Macrocells Usable Gates t PD (ns) Registers Max I/O Packages VQ44 PC44 PC84 TQ100 PQ100 PC84 TQ100 PQ100 PQ160 PQ100 PQ HQ208 BG352 PQ160 HQ208 BG

6 CPLDs and FPGAs XC9500 CPLD XC4000 FPGA Spartan FPGA Spartan II FPGA Virtex FPGA

7 XC4000 Architecture Programmable Interconnect I/O Blocks (IOBs) Configurable Logic Blocks (CLBs)

8 XC4000E/X Configurable Logic Blocks 2 Four-input function generators (Look Up Tables) - 16x1 RAM or Logic function 2 Registers - Each can be configured as Flip Flop or Latch - Independent clock polarity - Synchronous and asynchronous Set/Reset

9 XC4000 CLB

10 Look Up Tables  Capacity is limited by number of inputs, not complexity  Choose to use each function generator as 4 input logic (LUT) or as high speed sync.dual port RAM Combinatorial Logic is stored in 16x1 SRAM Look Up Tables (LUTs) in a CLB Example: A B C D Z Look Up Table Combinatorial Logic A B C D Z 4-bit address G Func. Gen. G4 G3 G2 G1 WE 2 (2 ) 4 = 64K !

11 XC4000X I/O Block Diagram Shaded areas are not included in XC4000E family.

12 Xilinx FPGA Routing 1) Fast Direct Interconnect - CLB to CLB 2) General Purpose Interconnect - Uses switch matrix CLB Switch Matrix Switch Matrix 3) Long Lines Segmented across chip Global clocks, lowest skew 2 Tri-states per CLB for busses Other routing types in CPLDs and XC6200

13 Other FPGA Resources Tri-state buffers for busses (BUFT’s) Global clock & high speed buffers (BUFG’s) Wide Decoders (DECODEx) Internal Oscillator (OSC4) Global Reset to all Flip-Flops, Latches (STARTUP) CLB special resources Fast Carry logic built into CLBs Synchronous Dual Port RAM Boundary Scan

14 What’s Really In that Chip? CLB (Red) Switch Matrix Long Lines (Purple) Direct Interconnect (Green) Routed Wires (Blue) Programmable Interconnect Points, PIPs (White)

15 Xilinx XC4000E FPGAs

16 CPLDs and FPGAs XC9500 CPLD XC4000 FPGA Spartan FPGA Spartan II FPGA Virtex FPGA

17 Xilinx Spartan FPGAs

18 CPLDs and FPGAs XC9500 CPLD XC4000 FPGA Spartan FPGA Spartan II FPGA Virtex FPGA

19

20 Xilinx Spartan-II FPGAs

21 Block RAM

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23 Delay-Locked Loop

24 Phase-Locked Loop

25 CPLDs and FPGAs XC9500 CPLD XC4000 FPGA Spartan FPGA Spartan II FPGA Virtex FPGA

26 Virtex FPGAs

27 Virtex-II FPGAs

28 Virtex-II Pro FPGAs


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