Table of Contents
3
December 4, 2006
TABLE OF CONTENTS ...........................................................................................................................................................3
LIST OF TABLES ....................................................................................................................................................................6
LIST OF FIGURES ...................................................................................................................................................................8
FEATURES.............................................................................................................................................................................. 9
APPLICATIONS....................................................................................................................................................................... 9
STANDARDS COMPLIANT.................................................................................................................................................... 9
DESCRIPTION......................................................................................................................................................................... 9
FUNCTIONAL BLOCK DIAGRAM........................................................................................................................................ 10
1
PIN ASSIGNMENT ........................................................................................................................................................11
2
PIN DESCRIPTION .......................................................................................................................................................12
3
INTERFACE ..................................................................................................................................................................18
3.1
UTOPIA INTERFACE .......................................................................................................................................18
3.1.1
Utopia Loopback Function...................................................................................................................18
3.2
LINE INTERFACE ............................................................................................................................................19
3.2.1
Line Interface Work Modes..................................................................................................................19
3.2.1.1 Mode0.................................................................................................................................. 20
3.2.1.2 Mode1~Mode4..................................................................................................................... 20
3.2.1.3 Mode5~Mode6..................................................................................................................... 22
3.2.1.4 Mode7~Mode10................................................................................................................... 22
3.2.1.5 Mode11................................................................................................................................ 22
3.2.1.6 Mode12~Mode13................................................................................................................. 22
3.2.1.7 Mode14~Mode15................................................................................................................. 23
3.2.2
Line Interface Timng Clock Modes......................................................................................................23
3.2.3
Line Interface Loopback Function........................................................................................................23
3.3
EXTERNAL MICROPROCESSOR INTERFACE .............................................................................................24
3.3.1
External Mcroprocessor Interface Selection........................................................................................24
3.3.2
Command FIFOs..................................................................................................................................24
3.3.3
Registers..............................................................................................................................................24
3.3.4
Register Map........................................................................................................................................24
3.3.5
Register Description.............................................................................................................................25
3.3.6
Procedure of Loading Software and Sending Commands...................................................................27
3.4
SRAMINTERFACE ..........................................................................................................................................29
4
IMA AND UNI FUNCTIONS ..........................................................................................................................................30
4.1
IMA MODE .......................................................................................................................................................30
4.1.1
IMA Frame...........................................................................................................................................30
4.1.2
TRL (Timng Reference Link)...............................................................................................................30
4.1.3
Stuffing Mode.......................................................................................................................................30
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