Data Sheet
MU9C Routing Coprocessor (RCP) Family
APPLICATION BENEFITS
鈥?28 million IPv4 packets per second supports up to 18
Gb Ethernet or 7 OC-48 ATM ports at wire speed
鈥?Exact match on MAC addresses
鈥?Processes DA and SA within 190 ns, supporting three ports
of 1 Gb or 34 ports of 100 Mb Ethernet at wire
speed
鈥?Mixed mode L3 and L2 single search engine for two ports
at 1 Gb or 29 ports of 100 Mb Ethernet at wire
speed
鈥?Directly addresses external RAM containing
associated data of any width
鈥?Hardware control states directly address memory and
registers; Instruction and Status registers for optional
software control
DISTINCTIVE CHARACTERISTICS
鈥?4K and 8K x 64-bit words
鈥?64-bit binary compares
鈥?35 ns deterministic compare and output time
鈥?32-bit Data I/O port
鈥?16-bit Match Address Output port
鈥?Address/Control bus directly controls device operations for
faster operation or higher throughput
鈥?Seven selectable mask registers
鈥?Synchronous operation
鈥?Cascadable for increased depth
鈥?Extensive set of control states for flexibility
鈥?JTAG interface
鈥?100-pin LQFP package; 3.3 Volt operation
DQ31鈥?
/VB
/E
/CS1
/CS2
/W
/OE
/AV
AC Bus
/DSC
COMPARAND REGISTER
MASK REGISTERS 1鈥?
ADDRESS REGISTER
CONFIGURATION REGISTER
STATUS REGISTER
AA Bus
PA3鈥?
CONTROL
AND
ADDRESS
DECODER
INSTRUCTION REGISTER
DEVICE SELECT REGISTER
/RESET
TCLK
TMS
TDI
TDO
/TRST
PRIORITY
ENCODER
AND
FLAG
LOGIC
/FI
/FF
4 K x 64 Word
(MU9C4K64)
8 K x 64 Word
(MU9C8K64)
Address Database
/M I
/M F
/MM
Figure 1: Block Diagram
MUSIC Semiconductors, the MUSIC logo, and the phrase 鈥淢USIC Semiconductors鈥?are
Registered trademarks of MUSIC Semiconductors. MUSIC is a trademark of
MUSIC Semiconductors.
June 1
2002 Rev.
6