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PEX 8616-AA
PLX Technology PEX 8616-AA Manuals
Manuals and User Guides for PLX Technology PEX 8616-AA. We have
1
PLX Technology PEX 8616-AA manual available for free PDF download: Quick Start Manual
PLX Technology PEX 8616-AA Quick Start Manual (30 pages)
Brand:
PLX Technology
| Category:
Switch
| Size: 0 MB
Table of Contents
Table of Contents
3
Preface
5
Notice
5
Revision History
5
Introduction
7
Switch Interfaces
7
PCI Express Link Interface
8
Figure 1. Sample PCI Express Link Block Diagram
8
Transmitter
9
Figure 2. Single-Ended Versus Differential Voltage
9
Receiver
11
Table 1. Receiver Equalization Settings
11
Reference Clock
12
Channel
13
Figure 3. Transport Delay Delta
13
Figure 4. PEX 8616 Refclk Circuitry
13
NT Function
14
Figure 5. Enable NT Function with NT Strapping Balls
14
Figure 6. Disable NT Function with NT Strapping Balls
14
Hot Plug Controller Interface
15
Figure 7. PHPC Circuit Block Diagram
15
Figure 8. SHPC Interface to PEX 8616 Block Diagram
16
JTAG Interface
17
Figure 9. JTAG Interface Block Diagram
17
C Interface
18
PCI Express Port Good Indicators
18
Figure 10. I C Interface Block Diagram
18
Table 2. PEX 8616 LED On/Off Patterns, by State
18
Strapping Balls
19
Table 3. Configuration Strapping Balls
19
Table 4. STRAP_RESERVED Ball External Pull-Up/Pull-Down Resistor Requirements
20
GPIO Balls
21
Power Supplies, Sequencing, and De-Coupling
21
Power Supplies
21
Figure 11. Power Balls and Capacitor Placement
21
Power Sequencing
22
Board-Level De-Coupling
23
Figure 12. Power Plane Impedance Versus Frequency
23
Figure 13. Capacitor Footprint Effects on Series Inductance
24
PCB Layout and Layer Stackup Considerations
25
BGA Routing Escape and De-Coupling Capacitor Placement
25
Figure 14. Top Layer BGA Layout and Routing Escape
26
Figure 15. Inside Layer BGA Layout and Routing Escape
26
Add-In Board Routing
27
Figure 16. Add-In Board Routing to PCI Express Gold Fingers
27
System Board Routing
28
Midbus Routing
28
Figure 17. System Board Routing to PCI Express Slot
28
Figure 18. PCI Express Midbus Routing Example
28
PCB Layer Stackup Considerations
29
References
30
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