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LFEC10 Datasheet(PDF) 23 Page - Lattice Semiconductor |
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LFEC10 Datasheet(HTML) 23 Page - Lattice Semiconductor |
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23 / 163 page  2-20 Architecture Lattice Semiconductor LatticeECP/EC Family Data Sheet IPexpress™ The user can access the sysDSP block via the IPexpress configuration tool, included with the ispLEVER design tool suite. IPexpress has options to configure each DSP module (or group of modules) or through direct HDL instantiation. Additionally Lattice has partnered Mathworks to support instantiation in the Simulink tool, which is a Graphical Simulation Environment. Simulink works with ispLEVER and dramatically shortens the DSP design cycle in Lattice FPGAs. Optimized DSP Functions Lattice provides a library of optimized DSP IP functions. Some of the IPs planned for LatticeECP DSP are: Bit Cor- relators, Fast Fourier Transform, Finite Impulse Response (FIR) Filter, Reed-Solomon Encoder/ Decoder, Turbo Encoder/Decoders and Convolutional Encoder/Decoder. Please contact Lattice to obtain the latest list of available DSP IPs. Resources Available in the LatticeECP Family Table 2-9 shows the maximum number of multipliers for each member of the LatticeECP family. Table 2-10 shows the maximum available EBR RAM Blocks in each of the LatticeECP family. EBR blocks, together with Distributed RAM can be used to store variables locally for the fast DSP operations. Table 2-9. Number of DSP Blocks in LatticeECP Family Table 2-10. Embedded SRAM in LatticeECP Family DSP Performance of the LatticeECP Family Table 2-11 lists the maximum performance in millions of MAC operations per second (MMAC) for each member of the LatticeECP family. Table 2-11. DSP Block Performance of LatticeECP Family Device DSP Block 9x9 Multiplier 18x18 Multiplier 36x36 Multiplier LFECP6 4 32 16 4 LFECP10 5 40 20 5 LFECP15 6 48 24 6 LFECP20 7 56 28 7 LFECP33 8 64 32 8 Device EBR SRAM Block Total EBR SRAM (Kbits) LFECP6 10 92 LFECP10 30 276 LFECP15 38 350 LFECP20 46 424 LFECP33 54 498 Device DSP Block DSP Performance MMAC LFECP6 4 3680 LFECP10 5 4600 LFECP15 6 5520 LFECP20 7 6440 LFECP33 8 7360 |
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