KE5BCCA9M 데이터 시트보기 (PDF) - KAWASAKI MICROELECTRONICS

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KE5BCCA9M

high-performance Content Addressable Memory (CAM)

KAWASAKI MICROELECTRONICS 

Kawasaki LSI

9M Classification CAM

PRELIMINARY

4.5. CNTL Bus (CNTL[15:0])

The CNTL bus (CNTL[15:0]) defines the operation. The function of the CNTL bus is classified into

four categories as follows:

• Control of a search operation

• Control of a Weighted Search operation

• Control of a command

• Control of an access to a register

As shown below, CNTL[13:12] defines the operation, and CNTL[11:5] defines the parameters, and

CNTL[4:0] defines the Mask Register number. Also, the most significant 2bits of Segment number

are specified onto CNTL[15:14]. As for the parameters and the Mask Register number, refer to the

data sheet.

15 14 13 12 11

54

0

Extra

0 Segment 0 1 Search Operation Field

Field

Global

Mask

Normal Search control

15 14 13 12 11

54

0

0

0

1 1 Search Operation Field

Global

Mask

Weighted Search

control

15 14 13 12 11

Extra

0 Segment 0 0

Field

Operation Field

54

0

Global

Mask

Command control

15 14 13 12 11

54

0

0 0 10

Address Field

Global

Mask

Register control

Version 1.2.0

9

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