Data Sheet
MU9C Routing CoProcessor (RCP) Family
APPLICATION BENEFITS
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Longest Prefix Match searches of IPv4 addresses
28 Million IPv4 packets per second supports up to 18
Gb Ethernet or 7 OC-48 ATM ports at wire speed
Longest Prefix Match searches of IPv4 addresses
Exact match on MAC addresses
Processes DA and SA within 190 ns, supporting three
ports of 1 Gb or 34 ports of 100 Mb Ethernet at wire
speed
Mixed mode L3 and L2 single search engine for two
ports at 1 Gb or 29 ports of 100 Mb Ethernet at wire
speed
Directly addresses external RAM containing
associated data of any width
Hardware control states directly address memory and
registers; Instruction and Status registers for optional
software control
DISTINCTIVE CHARACTERISTICS
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4K and 8K x 64-bit words
32-bit ternary or 64-bit binary compares
64-bit per word memory organization
35 ns deterministic compare and output time
32-bit Data I/O port
16-bit Match Address Output port
Address/Control bus directly controls device
operations for faster operation or higher throughput
Seven selectable mask registers
Synchronous operation
Cascadable for increased depth
Extensive set of control states for flexibility
JTAG interface
100-pin and 128-pin LQFP packages; 3.3 Volt
operation (also available in lead-free packages)
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DQ31-0
/VB
/E
/CS1
/CS2
/W
/OE
/AV
AC Bus
/DSC
/RESET
TCLK
TMS
TDI
TDO
/TRST
4K x 64 Word
(MU9CK64)
8K x 64 Word
(MU9C8K64)
Address Database
CONTROL
AND
ADDRESS
DECODER
COMPARAND REGISTER
MASK REGISTER 1-7
ADDRESS REGISTER
CONFIGURATION REGISTER
STATUS REGISTER
INSTRUCTION DECODER
DEVICE SELECT REGISTER
PRIORITY
ENCODER
AND
FLAG
LOGIC
/FI
/FF
/MI
/MF
MM
PA3:0
AA Bus
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.
March 28, 2007 Rev. 8.10
MUSIC [ MUSIC SEMICONDUCTORS ]
