Broadcom BCM5220 Manuals

Manuals and User Guides for Broadcom BCM5220. We have 1 Broadcom BCM5220 manual available for free PDF download: Application Note

Broadcom BCM5220 Application Note

Broadcom BCM5220 Application Note (27 pages)

Brand: Broadcom | Category: Transceiver | Size: 0 MB

Table of Contents

Table of Contents
4
Overview

6
V/3.3V Tolerance

6
Internal Pull-Ups and Pull-Downs

7
25 Mhz Reference Clock

8
Rdac

9
Low Power Modes

9
Dual Function Pins

9
- Phyad4/Ck25
  10
- Phyad3/Pause
  10
- Phyad2/Act_Led
  10
- Phyad1/Col_Led
  10
- Phyad0/Fdx_Led
  10
- Spdled#/Adv_Pause
  10
100Base-FX

10
Serial 10M (7-Wire Interface)

12
Auto-MDI/MDIX Crossover

13
Magnetics

14
- Bel
  14
- Pulse Engineering
  14
- Halo
  14
Media Conversion

15
Cable Length Monitoring Capability

17
JTAG Considerations

17
- JTAG Functional Description
  18
- Eliminating Tri-State Buffer Requirement
  18
  - Preferred Method
    18
  - Alternative Method
    19
Multi-Port Designs

19
Supply Pins and Power Planes

19
- Ovdd
  19
- REGAVDD and REGDVDD
  19
- DVDD
  19
- Avdd
  19
- Biasvdd
  19
10/100 Twisted Pair MII to MDI

20
General Layout Notes

22
- Analog Related Passive Component Placement
  22
- TD+/- Trace Routing
  22
- 100Base-TX and 10Base-T Signaling
  22
- RD+/- Trace Routing
  22
- Reference Clock
  22
- Magnetics to RJ45-8
  22
- Chassis Ground
  22
- Board Layer Allocation
  23
- Power Supply Filter Component Placement
  24
- General Layout Recommendations
  25
Thermal Information

26
BCM5221 Vs. BCM5220

26

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