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ORLI10G データシート(PDF) 5 Page - Agere Systems |
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ORLI10G データシート(HTML) 5 Page - Agere Systems |
5 / 72 page Agere Systems Inc. 5 Data Sheet October 2001 10 Gbits/s, and 12.5 Gbits/s Line Interface FPSC ORCA ORLI10G Quad 2.5 Gbits/s Programmable Features (continued) s Enhanced twin-quad programmable function unit (PFU): — Eight 16-bit look-up tables (LUTs) per PFU. — Nine user registers per PFU, one following each LUT, and organized to allow two nibbles to act independently, plus one extra for arithmetic opera- tions. — New register control in each PFU has two inde- pendent programmable clocks, clock enables, local set/reset, and data selects. — New LUT structure allows flexible combinations of LUT4, LUT5, new LUT6, 4 → 1 MUX, new 8 → 1 MUX, and ripple mode arithmetic functions in the same PFU. — 32 x 4 RAM per PFU, configurable as single- or dual-port. Create large, fast RAM/ROM blocks (128 x 8 in only eight PFUs) using the SLIC decoders as bank drivers. — Soft-wired LUTs (SWL) allow fast cascading of up to three levels of LUT logic in a single PFU through fast internal routing which reduces routing congestion and improves speed. — Flexible fast access to PFU inputs from routing. — Fast-carry logic and routing to all four adjacent PFUs for nibble-wide, byte-wide, or longer arith- metic functions, with the option to register the PFU carry-out. s Abundant high-speed buffered and nonbuffered routing resources provide 2x average speed improvements over previous architectures. s Hierarchical routing optimized for both local and global routing with dedicated routing resources. This results in faster routing times with predictable and efficient performance. s SLIC provides eight 3-stable buffers, up to a 10-bit decoder, and PAL™-like and-or-invert (AOI) in each programmable logic cell. s New 200 MHz embedded quad-port RAM blocks, two read ports, two write ports, and two sets of byte lane enables. Each embedded RAM block can be configured as: — 1—512 x 18 (quad-port, two read/two write) with optional built-in arbitration. — 1—256 x 36 (dual-port, one read/one write). — 1—1k x 9 (dual-port, one read/one write). — 2—512 x 9 (dual-port, one read/one write for each). — 2 RAMs with arbitrary number of words whose sum is 512 or less by 18 (dual-port, one read/one write). — Supports joining of RAM blocks. — Two 16 x 8-bit content addressable memory (CAM) support. — FIFO 512 x 18, 256 x 36, 1k x 9, or dual 512 x 9. — Constant multiply (8 x 16 or 16 x 8). — Dual variable multiply (8 x 8). s Embedded 32-bit internal system bus plus 4-bit parity interconnects FPGA logic, microprocessor interface (MPI), embedded RAM blocks, and embedded standard cell blocks with 100 MHz bus performance. Included are built-in system registers that act as the control and status center for the device. s Built-in testability: — Full boundary scan (IEEE 1149.1 and draft 1149.2 JTAG) for the programmable I/Os only. — Programming and readback through boundary- scan port compliant to IEEE Draft 1532:D1.7. — TS_ALL testability function to 3-state all I/O pins. — New temperature-sensing diode. s Improved built-in clock management with programmable phase-locked loops (PPLLs) provides optimum clock modification and conditioning for phase, frequency, and duty cycle from 20 MHz up to 420 MHz. Multiplication of input frequency up to 64x and division of input frequency down to 1/64x possible. s New cycle stealing capability allows a typical 15% to 40% internal speed improvement after final place and route. This feature also enables compliance with many setup/hold and clock to out I/O specifications and may provide reduced ground bounce for output buses by allowing flexible delays of switching output buffers. |
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同様の説明 - ORLI10G |
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