M7010R datasheet(3/67 Pages) STMICROELECTRONICS

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M7010R

CLOCKS .... ....... ...... ...... ....... ...... ....... ...... ....... ...... .. .... ....18

Registers . ....... ...... ...... ....... ...... ....... ...... ....... ...... ..... . ....18

Clocks (Figure 12.) ...... ...... ....... ...... ....... ...... ....... ...... ...... ....18

Comparand Registers .... ...... ....... ...... ....... ...... ....... ...... ...... .... 18

Comparand Register Selection During SEARCH and LEARN (Figure 13.)... ...... ...... ....19

Mask Registers ... ...... ...... ....... ...... ....... ...... ....... ...... ...... ....18

Addressing the Global Mask Register (GMR) Array (Figure 14.) ... ....... ...... ...... ....19

SEARCH-Successful Registers. . . ....... ...... ....... ...... ....... ...... ...... ....19

SEARCH-Successful Register (SSR) Description (Table 9.). ...... ....... ...... ...... .... 19

The Command Register .. ...... ....... ...... ....... ...... ....... ...... ...... ....20

Command Register Field Descriptions (Table 10.) . ....... ...... ....... ...... ...... ....20

SEARCH PROCEDURE FOR 32-BIT WIDE PREFIXES ...... ...... ....... ...... ...... ....22

Global MaskRegister Patterns (Figure 15.) ...... ....... ...... ....... ...... ...... ....22

Storing lefthalfofa Data or Mask Array (Figure 16.) ...... ...... ....... ...... ...... ....22

The Information Register .. ...... ....... ...... ....... ...... ....... ...... ...... ....23

Information Register Field Descriptions (Table 11.) ....... ...... ....... ...... ...... ....23

The READ Burst Address Register (RBURREG) . . ....... ...... ....... ...... ...... ....23

READ Burst Register Description (Table 12.) ..... ....... ...... ....... ...... ...... ....23

The WRITE Burst Address Register (WBURREG) . ....... ...... ....... ...... ...... ....23

WRITEBurst Register Description (Table 13.) .... ....... ...... ....... ...... ...... ....23

The NFA Register . ...... ...... ....... ...... ....... ...... ....... ...... ...... ....24

NFARegister (Table 14.). . ...... ....... ...... ....... ...... ....... ...... ...... ....24

SEARCH ENGINE ARCHITECTURE . ....... ...... ....... ...... ....... ...... ...... ....24

Data and Mask Addressing ...... ....... ...... ....... ...... ....... ...... ...... ....24

M7010R Database Configuration (Figure 17.)..... ....... ...... ....... ...... ...... ....25

Bit Position Match (Table 15.) .... ....... ...... ....... ...... ....... ...... ...... ....25

Multi-width Configuration Example (Figure 18.) ... ....... ...... ....... ...... ...... .... 25

M7010R Data and Mask ArrayAddressing (Figure 19.) .... ...... ....... ...... ...... .... 26

COMMAND CODES AND PARAMETERS .... ...... ....... ...... ....... ...... ...... ....27

Command Codes. . ...... ...... ....... ...... ....... ...... ....... ...... ...... ....27

Commandsand Command Parameters ... ...... ....... ...... ....... ...... ...... ....27

Command Codes(Table 16.) .... ....... ...... ....... ...... ....... ...... ...... ....27

Command Parameters (Table 17.) ....... ...... ....... ...... ....... ...... ...... ....27

READ COMMAND.... ...... ...... ....... ...... ....... ...... ....... ...... ...... ....28

Single Location READ Cycle Timing (Figure 20.) . . ....... ...... ....... ...... ...... ....29

BurstREAD of the Data and Mask Arrays (BLEN = 4) (Figure 21.) . ....... ...... ...... ....29

READ Command Parameters (Table 18.) . . ...... ....... ...... ....... ...... ...... ....30

Data and Mask Array, SRAM READ AddressFormat (Table 19.) . . ....... ...... ...... ....30

READ AddressFormat for Internal Registers(Table 20.) ... ...... ....... ...... ...... ....30

READ AddressFormat for Data and MaskArrays (Table 21.) ..... ....... ...... ...... ....31

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