CS8952T datasheet(2/86 Pages) CIRRUS

2 / 86 page

DS206TPP2

CS8952T

CrystalLAN™ 100BASE-X and 10BASE-T Transceiver

CIRRUS LOGIC ADVANCED PRODUCT DATABOOK

TABLE OF CONTENTS

INTRODUCTION .......................................................................................................................... 4

High Performance Analog ....................................................................................................... 4

Low Power Consumption ........................................................................................................ 4

Application Flexibility ............................................................................................................... 4

Typical Connection Diagram ................................................................................................... 4

PIN DESCRIPTIONS ...................................................................................................................... 6

FUNCTIONAL DESCRIPTION ..................................................................................................... 17

Digital System Interface ......................................................................................................... 17

Major Operating Modes .......................................................................................................... 17

100BASE-TX Nibble Mode ........................................................................................... 17

100BASE-X Symbol Modes ......................................................................................... 20

10BASE-T MII Application ............................................................................................ 21

- 10BASE-T Serial Application ..................................................................................... 22

- Auto-Negotiation .................................................................................................................. 22

- Auto-Negotiation Configuration .................................................................................. 23

- Auto-Negotiation Operation ........................................................................................ 23

Reset Operation ..................................................................................................................... 24

LED Indicators ........................................................................................................................ 24

MEDIA INDEPENDENT INTERFACE .......................................................................................... 25

- MII Frame Structure ............................................................................................................. 25

- MII Receive Data .................................................................................................................26

MII Transmit Data ................................................................................................................... 26

MII Management Interface ..................................................................................................... 27

MII Management Frame Structure ......................................................................................... 27

CONFIGURATION ....................................................................................................................... 29

Configuration At Power-up/Reset Time .................................................................................. 29

Configuration Via Control Pins ............................................................................................... 29

Configuration via the MII ........................................................................................................ 29

CS8952T REGISTERS ................................................................................................................. 30

Basic Mode Control Register - Address 00h .......................................................................... 31

Basic Mode Status Register - Address 01h ........................................................................... 33

PHY Identifier Register, Part 1 - Address 02h ........................................................................ 35

PHY Identifier Register, Part 2 - Address 03h ........................................................................ 36

Auto-Negotiation Advertisement Register - Address 04h ....................................................... 37

Auto-Negotiation Link Partner Ability Register - Address 05h ................................................ 38

Auto-Negotiation Expansion Register - Address 06h ............................................................. 39

Auto-Negotiation Next-Page Transmit Register - Address 07h .............................................. 40

Interrupt Mask Register - Address 10h .................................................................................. 41

Interrupt Status Register - Address 11h ................................................................................. 44

Disconnect Count Register - Address 12h ............................................................................. 47

False Carrier Count Register - Address 13h .......................................................................... 48

Scrambler Key Initialization Register - Address 14h .............................................................. 49

Receive Error Count Register - Address 15h ......................................................................... 50

Descrambler Key Initialization Register - Address 16h .......................................................... 51

PCS Sub-Layer Configuration Register - Address 17h .......................................................... 52

Loopback, Bypass, and Receiver Error Mask Register - Address 18h .................................. 55

Self Status Register - Address 19h ........................................................................................ 58

10BASE-T Status Register - Address 1Bh ............................................................................. 60

10BASE-T Configuration Register - Address 1Ch ................................................................. 61

DESIGN CONSIDERATIONS ...................................................................................................... 63

Twisted Pair Interface ............................................................................................................63

Internal Voltage Reference .................................................................................................... 63

CS8952T 数据表(PDF) 2 Page - Cirrus Logic

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