IDT82V2081(2019) Просмотр технического описания (PDF) - Integrated Device Technology

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Компоненты Описание

производитель

IDT82V2081
(Rev.:2019)

SINGLE CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT

Integrated Device Technology 

IDT82V2051E

SINGLE CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT

3.8.3 Remote Loopback................................................................................................... 31

3.8.4 Inband Loopback .................................................................................................... 33

3.8.4.1 Transmit Activate/Deactivate Loopback Code......................................... 33

3.8.4.2 Receive Activate/Deactivate Loopback Code.......................................... 33

3.8.4.3 Automatic Remote Loopback .................................................................. 33

3.9 Error Detection/Counting And Insertion ............................................................................ 35

3.9.1 Definition Of Line Coding Error ............................................................................... 35

3.9.2 Error Detection And Counting ................................................................................. 35

3.9.3 Bipolar Violation And PRBS Error Insertion ............................................................ 36

3.10 Line Driver Failure Monitoring ........................................................................................... 36

3.11 MCLK And TCLK .............................................................................................................. 37

3.11.1 Master Clock (MCLK).............................................................................................. 37

3.11.2 Transmit Clock (TCLK) ........................................................................................... 37

3.12 Microcontroller Interfaces ................................................................................................. 38

3.12.1 Parallel Microcontroller Interface ............................................................................ 38

3.12.2 Serial Microcontroller Interface ............................................................................... 38

3.13 Interrupt Handling ............................................................................................................. 38

3.14 5V Tolerant I/O Pins ......................................................................................................... 39

3.15 Reset Operation ................................................................................................................ 39

3.16 Power Supply .................................................................................................................... 39

4 Programming Information ........................................................................................................ 40

4.1 Register List And Map ...................................................................................................... 40

4.2 Reserved Registers .......................................................................................................... 40

4.3 Register Description ......................................................................................................... 41

4.3.1 Control Registers .................................................................................................... 41

4.3.2 Transmit Path Control Registers............................................................................. 43

4.3.3 Receive Path Control Registers.............................................................................. 45

4.3.4 Network Diagnostics Control Registers .................................................................. 48

4.3.5 Interrupt Control Registers...................................................................................... 51

4.3.6 Line Status Registers.............................................................................................. 54

4.3.7 Interrupt Status Registers ....................................................................................... 57

4.3.8 Counter Registers ................................................................................................... 59

5 Hardware Control Pin Summary .............................................................................................. 60

6 Test Specifications .................................................................................................................... 62

7 Microcontroller Interface Timing Characteristics ................................................................... 75

7.1 Serial Interface Timing ...................................................................................................... 75

7.2 Parallel Interface Timing ................................................................................................... 76

Table of Contents

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January 7, 2019

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