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Lucent Technologies Inc.
Preliminary Product Brief
May 2000
ORCA ORT8850 FPSC
Embedded Core Features (Serial)
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Implemented in an ORCA Series 4 FPGA array.
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Allows wide range of applications for SONET net-
work termination application as well as generic data
moving for high-speed backplane data transfer.
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No knowledge of SONET/SDH needed in generic
applications. Simply supply data, 78 MHz—106 MHz
clock, and a frame pulse.
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High-speed interface (HSI) function for clock/data
recovery serial backplane data transfer without exter-
nal clocks.
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Eight-channel HSI function provides 850 Mbits/s
serial interface per channel for a total chip bandwidth
of 6.8 Gbits/s (full duplex).
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HSI function uses Lucent Technologies Microelec-
tronics Group's 850 Mbits/s serial interface core.
Rates from 212 Mbits/s to 850 Mbits/s are supported
directly (Lower rates directly supported through deci-
mation and interpolation).
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LVDS I/Os compliant with EIA*-644, support hot
insertion. All embedded LVDS I/Os include both input
and output on-board termination to allow long-haul
driving of backplanes.
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Low-power HSI core.
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Low-power LVDS buffers.
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Programmable STS-1, STS-3, and STS-12 framing.
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Independent STS-1, STS-3, and STS-12 data
streams per quad channels.
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8:1 data multiplexing/demultiplexing for 106.25 MHz
byte-wide data processing in FPGA logic.
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On-chip, phase-lock loop (PLL) clock meets B jitter
tolerance specification of ITU-T recommendation
G.958.
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Powerdown option of HSI receiver on a per-channel
basis.
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Selectable 8B/10B coder/decoder or SONET scram-
bler/descrambler.
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HSI automatically recovers from loss-of-clock once
its reference clock returns to normal operating state.
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Frame alignment across multiple ORT8850 devices
for work/protect switching at OC-192/STM-64 and
above rates.
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In-band management and configuration through
transport overhead extraction/insertion.
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Supports transparent mode where the only insertion
is A1/A2 framing bytes.
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Streamlined pointer processor (pointer mover) for
8 kHz frame alignment to system clocks.
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Built-in boundry scan (IEEE
1149.1 JTAG).
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FIFOs align incoming data across all eight channels,
two groups of four channels or four groups of two
channels. Optional ability to bypass alignment
FIFOs.
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1 + 1 protection supports STS-12/STS-48 redun-
dancy by either software or hardware control for pro-
tection switching applications. STS-192 and above
rates are supported through multiple devices.
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ORCAFPGA soft intellectual property core support
for a variety of applications.
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Programmable STM pointer mover bypass mode.
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Programmable STM framer bypass mode.
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Programmable inverted data framing per channel.
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Programmable CDR bypass mode (clocked LVDS
high-speed interface).
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Redundant outputs and multiplexed redundant inputs
for CDR I/Os allow for implementation of eight chan-
nels with redundancy on a single device.
Embedded Core Features (Parallel)
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Three full-duplex, double data rate (DDR) I/O groups
include 8-bit data, 1 control, and 1 clock. Each inter-
face is implemented with LVDS I/Os that include on-
board termination to allow long-haul driving of back-
planes, such as the industry standard RapidIO nter-
face.
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External I/O speeds on DDR interface up to
311 MHz (622 Mbits/s per pin), with internal, single-
edge data transferred at 1/2 rate on a 32-bit bus plus
control.
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Automatic centering of transmit clock in data eye for
DDR interface.
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Direct interfaces to Lucent Pi-Sched (266 MHz DDR
LVDS), Pi-X (128 MHz TTL), and APC (100 MHz
TTL) ATM/IP switch/port controller devices.
* EIAis a registered trademark of Electronic Industries Association.
IEEE is a registered trademark of The Institute of Electrical and
Electronics Engineers, Inc.