CONFIDENTIAL
PRELIMINARY
CYNSE10512
CYNSE10256
CYNSE10128
Document #: 38-02069 Rev. *F
Page 3 of 153
TABLE OF CONTENTS (continued)
5.10 Depth Cascading ....................................................................................................................45
5.10.1 Depth Cascading up to Eight Devices in One Block .....................................................................45
5.10.2 Depth Cascading up to 31 Devices in 4 Blocks ............................................................................47
5.10.3 Depth Cascading for a FULL Signal ..............................................................................................47
5.11 Device Selection in a Cascaded System ................................................................................48
5.12 Power-up Sequence ...............................................................................................................49
6.0 OPERATIONS AND TIMING DIAGRAMS .....................................................................................50
6.1 Command Encoding .................................................................................................................50
6.2 Command Bus Parameters .......................................................................................................50
6.2.1 Non-Enhanced Mode (EMODE = 0) ...............................................................................................50
6.2.2 Enhanced Mode (EMODE = 1) with MultiSearch Disabled (MSE = 0) ............................................51
6.2.3 Enhanced Mode (EMODE = 1) with MultiSearch Enabled (MSE = 1) ............................................51
6.3 Read Command ........................................................................................................................51
6.3.1 Single Read .....................................................................................................................................52
6.3.2 Burst Read ......................................................................................................................................52
6.3.3 Read Parity .....................................................................................................................................53
6.4 Write Command ........................................................................................................................53
6.4.1 Single Write .....................................................................................................................................54
6.4.2 Burst Write ......................................................................................................................................54
6.4.3 Parallel Write ...................................................................................................................................55
6.5 Search Command .....................................................................................................................56
6.5.1 Mixed-size Single Searches with One Device on Tables Configured with Different Widths ...........56
6.5.2 Mixed-size Multi Searches with One Device on Tables Configured with Different Widths ..............58
6.5.3 72-bit Single Search for 1 device or cascade up to eight devices ...................................................60
6.5.4 72-bit MultiSearch for One Device or Cascade Up to Eight Devices ..............................................65
6.5.5 144-bit Single Search for Cascade Up to 31 Devices .....................................................................72
6.5.6 576-bit Single Search for One Device or Cascade up to Eight Devices .........................................85
6.5.7 576-bit MultiSearch for One Device or Cascade up to Eight Devices .............................................89
6.5.8 Mixed-size Single Searches with 31 Devices on Tables Configured with Different Widths ............95
6.5.9 Mixed-size Multi Searches with 8 Devices on Tables Configured with Different Widths ............... 107
6.6 Learn Command .....................................................................................................................113
6.6.1 Non-Enhanced Mode .................................................................................................................... 113
6.6.2 Enhanced Mode ............................................................................................................................ 114
6.6.3 Learn Operation on Depth-Cascaded Table .................................................................................117
6.7 SRAM PIO Access ..................................................................................................................121
6.7.1 SRAM Read with a Table of One Device ...................................................................................... 121
6.7.2 SRAM Read with a Table of up to Eight Devices .......................................................................... 122
6.7.3 SRAM Read with a Table of up to 31 Devices .............................................................................. 125
6.7.4 SRAM Write with a Table of One Device ...................................................................................... 127
6.7.5 SRAM Write with a Table of up to Eight Devices ..........................................................................129
6.7.6 SRAM Write with Table(s) Consisting of up to 31 Devices ........................................................... 131
6.8 Timing Sequences for Back-to-Back Operations ....................................................................133
6.9 Full Signal Timing Diagram .....................................................................................................134
7.0 JTAG (IEEE 1149.1) .....................................................................................................................135
8.0 POWER CONSUMPTION ............................................................................................................136
9.0 ELECTRICAL SPECIFICATIONS ................................................................................................137
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