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MUAA2K80-30QGI Datasheet

  • MUAA2K80-30QGI

  • Microprocessor

  • 24頁

  • ETC

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Data Sheet
MUAA Routing CoProcessor (RCP) Family
APPLICATION BENEFITS
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High performance MAC Address processor for
multiport switches and routers (Up to 48 10/100 or 4
Gigabit Ethernet at wire speed)
Layer 4 flow recognition for Quality of Service up to
16.7 million packets per second
ARP Cache manager/IP address caching at 12.5
million packets per second
Synchronous interfaces and programmable priority
between ports for simplicity of design
Learn, age, and auto-age functions with 鈥渧irtual
queues,鈥?keeping track of aged and learned entries
Transparent cascade of up to four 2K devices without
external logic, software setup, or performance hit
DISTINCTIVE CHARACTERISTICS
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2K and 8K x 80-bit partitionable CAM/RAM data
field in address database
32-bit synchronous port with separate inputs and
outputs; optional 16-bit configuration
32-bit bi-directional processor port; optional 16-bit
configuration
Pipelined operation
Operations performed from the synchronous port or
processor port; all flags independently available to
both ports
9-bit internal time stamp
50 MHz clock
388-pin PBGA (8K) and 160-pin PQFP (2K)
packages.
3.3 Volt core with 3.3 Volt/5 Volt tolerant IO buffers.
IEEE 1149.1 (JTAG) compliant
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Sync Port
DIN(31:0)
Processor Port DIN(31:0)
16/32 to 80-bit mux
16/32 to 80-bit mux
80-bit latch
80-bit latch
DINREADY
OP(3:0)
/DINE
80-bit 2 to 1 mux
PROCD(31:0)
/FF
PROCA(5:0)
/PCS
R/W
PROCREADY
INT
/RESET
CLK
Control
Address Data Base
-- b i t 79 -- ------- ------- b i t 0---
Flag and
Chain
Logic
/MF
CHAIN
CHAINUP
CHAINDN
/CHAINCS
/DOUTVALID
/DOUTE
/OE
Processor Port DOUT(31:0)
80-bit la tch
80-bit la tch
80 to 32/16-bit mux
80 to 32/16-bit mux
TDI
TMS
TCK
TRST
JTAG
TDO
Sync Port
DOUT(31:0)
Figure 1: Block Diagram
MUSIC Semiconductors, the MUSIC logo, and the phrase "MUSIC Semiconductors" are
Registered trademarks of MUSIC Semiconductors. MUSIC is a trademark of
MUSIC Semiconductors.
January 9, 2001 Rev. 3

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