Integrated Device Technology, Inc. reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply the best pos-
sible product. IDT does not assume any responsibility for use of any circuitry described other than the circuitry embodied in an IDT product. The Company makes no representations that circuitry
described herein is free from patent infringement or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent, patent rights or other
rights, of Integrated Device Technology, Inc.
LIFE SUPPORT POLICY
Integrated Device Technology's products are not authorized for use as critical components in life support devices or systems unless a specific written agreement pertaining to such intended use is exe-
cuted between the manufacturer and an officer of IDT.
1. Life support devices or systems are devices or systems which (a) are intended for surgical implant into the body or (b) support or sustain life and whose failure to perform, when properly used in
accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user.
2. A critical component is any components of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its
safety or effectiveness.
Table of Contents
FEATURES ........................................................................................................................................................................ 1
DATA SLICER ..............................................................................................................................................................................................
CLOCK AND DATA RECOVERY ................................................................................................................................................................
3.7.1 Line Code Rule ...............................................................................................................................................................................
3.7.3 LOS Detection ................................................................................................................................................................................
3.8.1.1.1 Super Frame (SF) Format .............................................................................................................................
3.8.1.1.2 Extended Super Frame (ESF) Format ...........................................................................................................
3.8.1.1.3 T1 Digital Multiplexer (DM) Format (T1 only) ................................................................................................
3.8.1.1.4 Switch Line Carrier - 96 (SLC-96) Format (T1 only) ......................................................................................
3.8.1.2 Error Event And Out Of Synchronization Detection ..........................................................................................................
3.8.1.2.1 Super Frame (SF) Format .............................................................................................................................
3.8.1.2.2 Extended Super Frame (ESF) Format ...........................................................................................................
3.8.1.2.3 T1 Digital Multiplexer (DM) Format (T1 only) ................................................................................................
3.8.1.2.4 Switch Line Carrier - 96 (SLC-96) Format (T1 only) ......................................................................................
3.8.1.3 Overhead Extraction (T1 Mode SLC-96 Format Only) .....................................................................................................
3.8.2.1.3 CAS Signaling Multi-Frame ...........................................................................................................................
3.8.2.2 Error Event And Out Of Synchronization Detection ..........................................................................................................
3.8.2.2.1 Out Of Basic Frame Synchronization ............................................................................................................
3.8.2.2.2 Out Of CRC Multi-Frame Synchronization ....................................................................................................
3.8.2.2.3 Out Of CAS Signaling Multi-Frame Synchronization .....................................................................................
3.8.2.3.1 International Bit Extraction .............................................................................................................................
3.8.2.3.2 Remote Alarm Indication Bit Extraction .........................................................................................................
13
14
16
16
16
17
18
18
18
18
18
18
18
19
22
22
22
22
23
24
25
26
26
26
26
26
27
27
29
31
31
32
33
33
34
34
34
34
34
34
3.8
Table of Contents
i
October 7, 2003
IDT82P2282
DUAL T1/E1/J1 LONG HAUL / SHORT HAUL TRANSCEIVER
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
3.17
3.18
3.8.2.3.3 National Bit Extraction ...................................................................................................................................
3.8.2.3.4 National Bit Codeword Extraction ..................................................................................................................
3.8.2.3.5 Extra Bit Extraction ........................................................................................................................................
3.8.2.3.6 Remote Signaling Multi-Frame Alarm Indication Bit Extraction .....................................................................
3.8.2.3.7 Sa6 Code Detection Per ETS 300 233 ..........................................................................................................
3.8.2.4 V5.2 Link ..........................................................................................................................................................................
3.11.2 Two HDLC Modes ...........................................................................................................................................................................
ELASTIC STORE BUFFER ..........................................................................................................................................................................
RECEIVE PAYLOAD CONTROL .................................................................................................................................................................
RECEIVE SYSTEM INTERFACE .................................................................................................................................................................
3.17.2.5 Output On RSDn/MRSD & RSIGn/MRSIG .......................................................................................................................
TRANSMIT SYSTEM INTERFACE ..............................................................................................................................................................
TRANSMIT PAYLOAD CONTROL ..............................................................................................................................................................
3.20.1.1.1 Super Frame (SF) Format .............................................................................................................................
3.20.1.1.2 Extended Super Frame (ESF) Format ...........................................................................................................
3.20.1.1.3 T1 Digital Multiplexer (DM) Format (T1 only) ................................................................................................
3.20.1.1.4 Switch Line Carrier - 96 (SLC-96) Format (T1 only) ......................................................................................
3.20.2.2 Two HDLC Modes ............................................................................................................................................................
3.20.6 All ‘Zero’s & All ‘One’s ...................................................................................................................................................................
3.20.7 Change Of Frame Alignment .........................................................................................................................................................
3.22.1 Line Code Rule ...............................................................................................................................................................................
3.22.3 All ‘One’s Insertion ........................................................................................................................................................................
WAVEFORM SHAPER / LINE BUILD OUT .................................................................................................................................................
3.24.2 Line Build Out (LBO) (T1 Only) .....................................................................................................................................................
LINE DRIVER ...............................................................................................................................................................................................
TESTING AND DIAGNOSTIC FACILITIES .................................................................................................................................................
3.27.2.1 System Loopback .............................................................................................................................................................
3.27.2.1.1 System Remote Loopback ............................................................................................................................
3.27.2.1.2 System Local Loopback ................................................................................................................................
3.27.2.3 Local Digital Loopback 1 ..................................................................................................................................................
3.27.2.5 Local Digital Loopback 2 ..................................................................................................................................................
Temperature measurement is required in many places. When designing a temperature telemetry system, it is usually necessary to use a battery-powered, extremely low-power module. There are many traditio...
This is some program I wrote when I just started learning C language. It is relatively simple. I hope it can help fellow countrymen who are new to single chip microcomputer.The main control I use is 8...
PONY Testing has CNAS and CMA qualifications, and has 3 laboratories and 10 customer service centers in Beijing, Shanghai and Shenzhen, forming an international certification network, and the test rep...
hank you for registering for Texas Instruments’ eTech Day.Get ready for a day packed with problem solving and interactivity!Presented by: Texas InstrumentsLive show date: December 9, 2010Live show hou...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]