M7010R datasheet(49/67 Pages) STMICROELECTRONICS

部品番号	M7010R

部品情報	16K x 68-bit Entry NETWORK SEARCH ENGINE

PDF	67 Pages

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メーカー	STMICROELECTRONICS [STMicroelectronics]

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49 / 67 page

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M7010R

LEARN is a pipelined operation and last for two

CLK cycles where TLSZ = 00, as shown in Figure

35, page 49, and TLSZ = 01, as shown in Figure

36, page 50 and Figure 37, page 51. Figure 36 and

Figure 37 assume that the device performing the

LEARN operation is not the last device in the table

and has its LRAM Bit set to '0.'

Note: The OE_L for the device with the LRAM Bit

set goes high for two cycles for each LEARN (one

during the SRAM WRITE cycle, and one during

the cycle before it). The latency of the SRAM

WRITE cycle from the second cycle of the instruc-

tion is shown in Table 34, page 51.

Figure 35. LEARN Command Timing Diagram (TLSZ = 00)

Cycle

CLK2X

CMDV

CMD[1:0]

ALE_L, CE_L

WE_L

OE_L

SADR[21:0]

SSV

SSF

CMD[8:2]

PHS_L

AI04289

Learn1

Learn2

TLSZ = 00, LRAM = 1, LDEV = 1

Comp1

Comp2

1A 1B

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