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參數(shù)資料
| 型號： | CYNSE70064A-83BGC |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | Search Engine |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PBGA272 |
| 封裝： | 27 X 27 MM, 2.33 MM HEIGHT, PLASTIC, BGA-272 |
| 文件頁數(shù)： | 2/127頁 |
| 文件大?。?/td> | 3275K |
| 代理商： | CYNSE70064A-83BGC |
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CYNSE70064A
Document #: 38-02041 Rev. *E
Page 2 of 127
TABLE OF CONTENTS
1.0 FEATURES ......................................................................................................................................9
2.0 FUNCTIONAL OVERVIEW ..............................................................................................................9
3.0 PRODUCT SUMMARY ..................................................................................................................10
3.1 Logic Block Diagram .................................................................................................................10
4.0 FUNCTIONAL DESCRIPTION .......................................................................................................10
4.1 CMD Bus and DQ Bus ..............................................................................................................10
4.2 Database Entry (Data Array and Mask Array) ..........................................................................10
4.3 Arbitration Logic ........................................................................................................................10
4.4 Pipeline and SRAM Control ......................................................................................................11
4.5 Full Logic ...................................................................................................................................11
5.0 SIGNAL DESCRIPTIONS ..............................................................................................................11
6.0 CLOCKS .........................................................................................................................................13
7.0 REGISTERS ...................................................................................................................................13
7.1 Comparand Registers ...............................................................................................................13
7.2 Mask Registers .........................................................................................................................14
7.3 Search Successful Registers (SSR[0:7]) ..................................................................................14
7.4 Command Register ...................................................................................................................14
7.5 Information Register ..................................................................................................................15
7.6 Read Burst Address Register ...................................................................................................16
7.7 Write Burst Address Register Description .................................................................................16
7.8 NFA Register ............................................................................................................................16
8.0 NSE ARCHITECTURE AND OPERATION OVERVIEW ...............................................................17
9.0 DATA AND MASK ADDRESSING ................................................................................................18
10.0 COMMANDS ................................................................................................................................18
10.1 Command Codes ....................................................................................................................18
10.2 Commands and Command Parameters .................................................................................18
10.3 Read Command ......................................................................................................................19
10.4 Write Command ......................................................................................................................21
10.5 Search Command ...................................................................................................................23
10.6 68-bit Search on Tables Configured as ×68 using a Single CYNSE70064A Device ..............23
10.7 68-bit Search on Tables Configured as ×68 Using up to Eight CYNSE70064A Devices .......25
10.8 68-bit Search on Tables Configured as ×68 Using up to 31 CYNSE70064A Devices ...........32
10.9 136-bit Search on Tables Configured as ×136 Using a Single CYNSE70064A Device .........47
10.10 136-bit Search on Tables Configured as ×136 Using up to Eight CYNSE70064A Devices .49
10.11 136-bit Search on Tables Configured as ×136 Using up to 31 CYNSE70064A Devices .....55
10.12 272-bit Search on Tables Configured as 272 Using a Single CYNSE70064A Device .......70
10.13 272-bit Search on Tables x272-configured Using up to Eight CYNSE70064A Devices .......72
10.14 272-bit Search on Tables Configured as ×272 Using up to 31 CYNSE70064A Devices .....77
10.15 Mixed-Sized Searches on Tables Configured with Different Widths Using a
CYNSE70064A Device ...................................................................................................................92
10.16 LRAM and LDEV Description ................................................................................................93
10.17 Learn Command ...................................................................................................................94
11.0 DEPTH-CASCADING ...................................................................................................................98
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