4450
Data Sheet
Hifn Confidential
DS-0131-06, © October 29, 2008, Hi/fn
®
, Inc. All rights reserved. 10/08
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with Hifn's standard warranty or the warranty provisions specified in any applicable license. Testing and other
quality control techniques are utilized to the extent Hifn deems necessary to support such warranty. Specific
testing of all parameters, with the exception of those mandated by government requirements, of each product
is not necessarily performed.
Certain applications using Hifn products may involve potential risks of death, personal injury, or severe
property or environmental damage (“Critical Applications”). Hifn products are not designed, intended,
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In order to minimize risks associated with the customer's applications, adequate design and operating
safeguards should be provided by the customer to minimize inherent or procedural hazards. “Typical”
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The use of this product in stateful compression protocols (for example, PPP or multi-history applications) with
certain configurations may require a license from Motorola. In such cases, a license agreement for the right to
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Patents
May include one or more of the following United States patents: 4,701,745; 5,003,307; 5,016,009;
5,126,739; 5,146,221; 5,414,425; 5,463,390; 5,506,580; and 5,5532,694. Other patents pending.
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®
, MeterFlow
®
, MeterWorks
®
, and LZS
®
, are registered trademarks of Hi/fn, Inc. Hifn
TM
,
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TM
, and the Hifn logo are trademarks of Hi/fn, Inc. All other trademarks and trade names are the
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Hifn Confidential
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4450 – Data Sheet, DS-0131-06
Hifn Confidential
Page 2
Table of Contents
List of Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
List of Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
List of Abbreviations and Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . .11
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
1 4450 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1
2.2
2.3
2.4
2.5
2.6
2.7
16
18
All VPN Processing On-chip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
High Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Supports All Standard IPsec and IPcomp Modes & Algorithms . . . . . . . . . . . . 18
Supports Multiple Host Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
On-chip Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Software Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Other Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3 Performance Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.1
3.2
21
IPsec Protocol Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Public Key Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4 4450 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.1
4.2
4.3
23
4450 Chip Architecture. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4450 Packet Processing Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Public Key Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4450 – Data Sheet, DS-0131-06
Hifn Confidential
Page 3
4.4
Clock Domains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
5 Host Messaging and System Configuration . . . . . . . . . . . . . . . .
5.1
5.2
5.3
5.4
5.5
5.6
27
Gigabit Ethernet & RMII Host Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
4450 Host Messaging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Packet Fragmentation & Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Security Policy and SA Database Management . . . . . . . . . . . . . . . . . . . . . . 28
Exception Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
System Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
6 Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1
6.2
31
Signal Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Ethernet Interfaces Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
6.2.1
GMAC GMII/TBI Interface Usage (Host-side Only) . . . . . . . . . . .
33
6.2.1.1
6.2.1.2
6.2.1.3
6.2.2
6.2.2.1
6.2.2.2
6.2.2.3
6.2.3
6.2.3.1
6.2.3.2
6.2.3.3
6.2.4
6.2.4.1
6.2.4.2
6.2.4.3
6.2.4.4
GMAC GMII/TBI Pin Mappings (Host-side Only) . . . . . . . . . . . 34
GMAC GMII/TBI Connection Diagrams (Host-side only) . . . . . . 35
GMAC GMII/TBI Pin Descriptions (Host-side Only) . . . . . . . . . 37
39
Host GMAC RGMII/RTBI Pin Mappings . . . . . . . . . . . . . . . . . . 39
Host GMAC RGMII/RTBI Connection Diagrams . . . . . . . . . . . . 40
Host GMAC RGMII/RTBI Pin Descriptions . . . . . . . . . . . . . . . . 42
43
Network GMAC RGMII/RTBI Pin Mappings . . . . . . . . . . . . . . . 43
Network GMAC RGMII/RTBI Connection Diagrams . . . . . . . . . 44
Network MAC RGMII/RTBI Pin Descriptions . . . . . . . . . . . . . . 46
48
GMAC SERDES & SGMII Pin Mappings (Host /Network) . . . . . . 48
GMAC SERDES Connection Diagrams (Host/Network) . . . . . . . 49
GMAC SGMII Connection Diagrams (Host/Network) . . . . . . . . 50
GMAC SERDES/SGMII Pin Descriptions (Host/Network) . . . . . . 51
Host GMAC RGMII/RTBI Interface Usage . . . . . . . . . . . . . . . . . .
Network GMAC RGMII/RTBI Interface Usage . . . . . . . . . . . . . . .
GMAC SERDES & SGMII Interface Usage (Host/Network) . . . . . .
6.3
RMII Interface (Optional Control Interface). . . . . . . . . . . . . . . . . . . . . . . . . 51
6.3.1
RMII Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . .
52
6.3.2
RMII Pin Descriptions (Optional Control Interface) . . . . . . . . . . .
53
4450 – Data Sheet, DS-0131-06
Hifn Confidential
Page 4
6.4
DDR2 SDRAM Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
6.4.1
SDRAM Connection Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . .
55
6.4.2
6.4.3
6.4.4
DDR2 Memory Configurations. . . . . . . . . . . . . . . . . . . . . . . . . .
SDRAM Sizing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
No SDRAM Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
55
56
6.5
6.6
6.7
6.8
6.9
PLL Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
JTAG Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
General Purpose Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Miscellaneous Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Power and Ground Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
7 DC Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.1
7.2
7.3
7.4
7.5
64
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Package Thermal Specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
DC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Power Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
8 Timing Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
71
AC Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
PLL Ref Interface Clock Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
RMII Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
GMII Timing (Host Interface) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
TBI Timing (Host Interface) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
RTBI Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
RGMII Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
SGMII Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
SerDes Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
SDRAM Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
4450 – Data Sheet, DS-0131-06
Hifn Confidential
Page 5
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