IDT82V1671 Просмотр технического описания (PDF) - Integrated Device Technology
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производитель
IDT82V1671
Integrated Device Technology
IDT82V1671 Datasheet PDF : 107 Pages
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RSLIC (IDT82V1671) & CODEC (IDT82V1074) CHIPSET
INDUSTRIAL TEMPERATURE RANGE
5.4.1.2 Example of Programming the Global Registers via MPI.............................................................................................84
5.4.1.3 Example of Programming the Coefficient-RAM via MPI.............................................................................................84
5.4.1.4 Example of Programming the FSK-RAM via MPI.......................................................................................................84
5.4.2 Programming Examples for GCI Mode.......................................................................................................................................85
5.4.2.1 Example of Programming the Local Registers via GCI ..............................................................................................85
5.4.2.2 Example of Programming the Global Registers via GCI.............................................................................................85
5.4.2.3 Example of Programming the Coefficient-RAM via GCI.............................................................................................85
5.4.2.4 Example of Programming the FSK-RAM via GCI.......................................................................................................86
6 Operational Description ..................................................................................................................................................................................87
6.1 Operating Modes .....................................................................................................................................................................................87
6.1.1 RSLIC Control Signaling ............................................................................................................................................................87
6.1.2 RSLIC Operating Modes ............................................................................................................................................................89
6.1.3 CODEC Operating Modes..........................................................................................................................................................89
6.2 PLL Power Down.....................................................................................................................................................................................90
6.3 Programmable I/Os of the CODEC .........................................................................................................................................................90
6.4 Interrupt Handling ....................................................................................................................................................................................91
6.5 Signal Path and Test Loopbacks.............................................................................................................................................................91
6.6 RSLIC Power On Sequence....................................................................................................................................................................93
6.7 CODEC Power On Sequence .................................................................................................................................................................93
6.8 Default State After Reset.........................................................................................................................................................................93
6.8.1 Power-On Reset and Hardware Reset.......................................................................................................................................93
6.8.2 Software Reset...........................................................................................................................................................................93
7 Electrical Characteristics ................................................................................................................................................................................94
7.1 RSLIC Electrical Characteristics..............................................................................................................................................................94
7.1.1 RSLIC Absolute Maximum Ratings ............................................................................................................................................94
7.1.2 RSLIC Recommended Operating Conditions.............................................................................................................................94
7.1.3 RSLIC Thermal Information........................................................................................................................................................94
7.1.4 RSLIC Power Consumption .......................................................................................................................................................94
7.2 CODEC Electrical Characteristics ...........................................................................................................................................................95
7.2.1 CODEC Absolute Maximum Ratings..........................................................................................................................................95
7.2.2 CODEC Recommended Operating Conditions ..........................................................................................................................95
7.2.3 CODEC Digital Interface ............................................................................................................................................................95
7.2.4 CODEC Power Dissipation.........................................................................................................................................................95
7.3 Chipset Transmission Characteristics .....................................................................................................................................................96
7.3.1 Absolute Gain.............................................................................................................................................................................96
7.3.2 Gain Tracking .............................................................................................................................................................................96
7.3.3 Frequency Response .................................................................................................................................................................96
7.3.4 Return Loss ................................................................................................................................................................................96
7.3.5 Group Delay ...............................................................................................................................................................................97
7.3.6 Distortion ....................................................................................................................................................................................97
7.3.7 Noise ..........................................................................................................................................................................................97
7.3.8 Interchannel Crosstalk................................................................................................................................................................98
7.4 CODEC Timing Characteristics ...............................................................................................................................................................99
7.4.1 Clock Timing...............................................................................................................................................................................99
7.4.2 Microprocessor Interface Timing ..............................................................................................................................................100
7.4.3 PCM Interface Timing...............................................................................................................................................................101
7.4.4 GCI Interface Timing ................................................................................................................................................................103
8 Application Circuits .......................................................................................................................................................................................104
8.1 Application Circuit for the Internal Ringing Mode ..................................................................................................................................104
8.2 Application Circuit for the External Ringing Mode .................................................................................................................................105
9 Ordering Information .....................................................................................................................................................................................106
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