TAAD08JU2 datasheet(2/174 Pages) AGERE

2 / 174 page

Table of Contents

Agere Systems - Proprietary

Agere Systems Inc.

Preliminary Data Sheet

August 18, 2003

T1/E1/J1 ATM Processor, Versions 2.1 and 3.1

TAAD08JU2

Contents

Page

Features ............................................................................................................................................................. 1

Physical .............................................................................................................................................................. 1

Standards ........................................................................................................................................................... 1

Description ....................................................................................................................................................... 11

Pin Definitions ..................................................................................................................................................12

Pin Description ................................................................................................................................................. 12

Package Pin Layout ......................................................................................................................................... 21

Block Diagram ..................................................................................................................................................27

Software Components ...................................................................................................................................... 28

9.1

Firmware................................................................................................................................................. 29

9.2

Device Manager...................................................................................................................................... 29

9.3

Setup File Utility (SFU) ........................................................................................................................... 30

9.4

TAAD08JU2 Application Code................................................................................................................ 31

9.5

System Software.....................................................................................................................................32

9.6

Software Development Environment ......................................................................................................32

9.7

Notes ...................................................................................................................................................... 33

10 Functional Overview ......................................................................................................................................... 34

10.1 Receive Direction Data Flow .................................................................................................................. 34

10.1.1

PHY Layer ................................................................................................................................ 34

10.1.2

Low-Speed PHY Links .............................................................................................................. 34

10.1.3

High-Speed PHY Links ............................................................................................................. 35

10.1.4

TC and IMA Layers...................................................................................................................35

10.1.5

ATM Layer ................................................................................................................................ 36

10.1.6

AAL Engine............................................................................................................................... 36

10.1.7

Embedded Device Controller.................................................................................................... 37

10.2 Transmit Direction Data Flow.................................................................................................................. 37

10.2.1

SSCS/AAL Layer Interaction .................................................................................................... 37

10.2.2

ATM Layer ................................................................................................................................ 37

10.2.3

IMA/TC Layer............................................................................................................................ 38

10.2.4

PHY Layer ................................................................................................................................ 38

Modes of Operation .......................................................................................................................................... 39

11.1 Interface Modes ...................................................................................................................................... 39

11.1.1

UTOPIA-2 Expansion Port Multiplexing Modes ........................................................................ 39

11.1.2

System Interface Port Multiplexing Modes ............................................................................... 39

11.1.3

Line-Interface Modes ................................................................................................................ 40

11.2 Device Operating Modes ........................................................................................................................ 40

11.2.1

Operating Mode 1: Internal PHY Mode..................................................................................... 40

11.2.2

Operating Mode 2: External PHY Mode ................................................................................... 42

11.2.3

Operating Mode 3: SAR-Only Mode .........................................................................................43

11.2.4

Operating Mode Summary........................................................................................................ 43

12 Applications ...................................................................................................................................................... 44

12.1 BTS Network Interface Termination ........................................................................................................ 44

12.2 VToA Trunking Application...................................................................................................................... 46

12.3 Low-Speed ATM Access.........................................................................................................................47

12.4 AAL2 Cross Connect .............................................................................................................................. 47

13 Embedded Device Controller (EDC) ................................................................................................................ 48

13.1 Introduction ............................................................................................................................................. 48

13.2 Features..................................................................................................................................................48

13.3 EDC Functional Description.................................................................................................................... 48

13.4 Host Interface ......................................................................................................................................... 48

13.5 Host Interface Signals and Timing .......................................................................................................... 49

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