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Xilinx CPLDs and FPGAs

Xilinx CPLDs and FPGAs. Module F2-1. CPLDs and FPGAs. XC9500 CPLD XC4000 FPGA Spartan FPGA Spartan II FPGA Virtex FPGA. 3. In-System Programming Controller. JTAG Controller. JTAG Port. Function Block 1. I/O. I/O. Function Block 2. I/O. I/O Blocks. FastCONNECT Switch Matrix.

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Xilinx CPLDs and FPGAs

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  1. Xilinx CPLDs and FPGAs Module F2-1

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

  3. 3 In-System Programming Controller JTAG Controller JTAG Port Function Block1 I/O I/O Function Block 2 I/O I/O Blocks FastCONNECT Switch Matrix I/O Function Block 3 Global Clocks 3 Global Set/Reset 1 Function Block 4 Global Tri-States 2 or 4 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 1149.1 JTAG capability

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

  5. XC9500 Product Family 9536 9572 95108 95144 95216 95288 Macrocells 36 72 108 144 216 288 Usable Gates 800 1600 2400 3200 4800 6400 tPD (ns) 5 7.5 7.5 7.5 10 10 Registers 36 72 108 144 216 288 Max I/O 34 72 108 133 166 192 VQ44 PC44 PC44 PC84 TQ100 PQ100 PC84 TQ100 PQ100 PQ160 PQ100 PQ160 Packages HQ208 BG352 PQ160 HQ208 BG352

  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. C2 C1 C3 C4 H1 DIN S/R EC S/R Control G4 DIN SD G G3 F' Q D Func. G' YQ G2 H' Gen. G1 EC RD 1 H G' Y Func. H' S/R Control Gen. F4 F F3 DIN SD Func. F' F2 Q D XQ Gen. G' F1 H' EC RD 1 H' X F' K 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. C2 C1 C3 C4 H1 DIN S/R EC S/R Control G4 DIN G G3 SD YQ F' Func. Q D G' G2 Gen. H' G1 EC RD 1 H Y G' H' Func. S/R Gen. Control F4 F F3 DIN Func. SD XQ F2 F' Gen. Q D G' F1 H' EC RD 1 X H' F' K XC4000 CLB

  10. A B C D Z 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 0 1 1 1 0 1 0 0 1 0 1 0 1 1 . . . 1 1 0 0 0 1 1 0 1 0 1 1 1 0 0 1 1 1 1 1 Combinatorial Logic A B Z C D WE G4 G G3 Func. G2 Gen. G1 Look Up Tables Look Up Table • Combinatorial Logic is stored in 16x1 SRAM Look Up Tables (LUTs) in a CLB • Example: 4-bit address 4 (2 ) 2 = 64K ! • 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

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

  12. CLB CLB Switch Matrix Switch Matrix CLB CLB Xilinx FPGA Routing • 1) Fast Direct Interconnect - CLB to CLB • 2) General Purpose Interconnect - Uses 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. Programmable Interconnect Points, PIPs (White) Routed Wires (Blue) What’s Really In that Chip? Switch Matrix Direct Interconnect (Green) CLB (Red) Long Lines (Purple)

  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. Xilinx Spartan-II FPGAs

  20. Block RAM

  21. Delay-Locked Loop

  22. Phase-Locked Loop

  23. CPLDs and FPGAs • XC9500 CPLD • XC4000 FPGA • Spartan FPGA • Spartan II FPGA • Virtex FPGA

  24. Virtex FPGAs

  25. Virtex-II FPGAs

  26. Virtex-II Pro FPGAs

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