Data Sheet
MUAC Routing CoProcessor (RCP) Family
APPLICATION BENEFITS
DISTINCTIVE CHARACTERISTICS
•
Longest Prefix Match searches of IPv4 addresses
•
4K and 8K x 64-bit words
•
28 million IPv4 packets per second supports up to 18
Gb Ethernet or 7 OC-48 ATM ports at wire speed
•
32-bit ternary or 64-bit binary compares
•
Exact match on MAC addresses
•
35 ns deterministic compare and output time
•
Processes DA and SA within 190 ns, supporting three
ports of 1 Gb or 34 ports of 100 Mb Ethernet at wire
speed
•
32-bit Data I/O port
•
16-bit Match Address Output port
•
Mixed mode L3 and L2 single search engine for two
ports at 1 Gb or 29 ports of 100 Mb Ethernet at wire
speed
Address/Control bus directly controls device
operations for faster operation or higher throughput
•
Seven selectable mask registers
•
Synchronous operation
•
Directly addresses external
associated data of any width
•
Cascadable for increased depth
•
Hardware control states directly address memory and
registers; Instruction and Status registers for optional
software control
•
Extensive set of control states for flexibility
•
JTAG interface
•
100-pin TQFP package; 3.3 Volt operation
•
RAM
containing
DQ31–0
/VB
/E
/CS1
COMPARAND REGISTER
/CS2
MASK REGISTERS 1–7
/W
ADDRESS REGISTER
/OE
AA Bus
CONFIGURATION REGISTER
STATUS REGISTER
/AV
AC Bus
CONTROL
AND
/DSC
ADDRESS
DECODER
INSTRUCTION REGISTER
DEVICE SELECT REGISTER
TMS
TDI
PRIORITY
ENCODER
4 K x 64 Word
(MUAC4K64)
8 K x 64 Word
(MUAC8K64)
Address Database
AND
FLAG
/FI
LOGIC
/RESET
TCLK
PA3–0
/FF
/M I
/M F
/M V
/ MM
TDO
/TRST
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 10, 2001 Rev. 4
