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Data Sheet
PT7D5820/5820L Large Digital Switch
3
PT0098(12/03)
Ver:1
Contents
Features ....................................................................................................................................................... 1
Applications ................................................................................................................................................. 1
Introduction.................................................................................................................................................. 1
Ordering Information .................................................................................................................................... 1
Block Diagram ............................................................................................................................................. 2
Pin Information............................................................................................................................................. 4
Pin Configuration.................................................................................................................................... 4
Pin Description....................................................................................................................................... 5
Typical Applications ...................................................................................................................................... 7
Switch Matrix Architectures.................................................................................................................... 7
Serial Input Frame Alignment Evaluation ................................................................................................. 7
WFP Frame Alignment Mode................................................................................................................. 8
Digital Access Cross-Connect System.................................................................................................... 8
Functional Description ................................................................................................................................ 10
Device Overview ................................................................................................................................. 10
Switching Configurations .......................................................................................................................11
Delay Through the PT7D5820/5820L .................................................................................................. 12
Microprocessor Interface ..................................................................................................................... 13
JTAG Support ..................................................................................................................................... 16
Initialization of the PT7D5820/5820L................................................................................................... 16
Register...................................................................................................................................................... 18
Control Register (CR) .......................................................................................................................... 18
Interface Mode Selection Register (IMS).............................................................................................. 19
Frame Alignment Register (FAR) .......................................................................................................... 20
Frame Input Offset Register 0, 1, 2, 3 (FOR0, 1, 2, 3) ......................................................................... 21
Connection Memory ............................................................................................................................ 23
Detailed Specification ................................................................................................................................. 24
Absolute Maximum Ratings .................................................................................................................. 24
Recommended Operating Conditions.................................................................................................... 24
DC Electrical, Power Supply and Capacitance Characteristics .............................................................. 25
AC Electrical Characteristics ................................................................................................................ 26