PEB4265TV1.2 Infineon Technologies AG, PEB4265TV1.2 Datasheet
PEB4265TV1.2
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PEB4265TV1.2 Summary of contents
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ICs for Communications DUAL CHANNEL SLICOFI-2, SLIC DuSLIC PEB 3265 Version 1.1 PEB 4265 Version 1.1 PEB 4266 Version 1.1 Preliminary Product Overview 10. ...
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... Components used in life-support devices or systems must be expressly authorized for such purpose! 1 Critical components of the Infineon Technologies AG, may only be used in life-support devices or systems the express written approval of the Infineon Technologies AG critical component is a component used in a life-support device or system whose failure can reasonably be expected to cause the failure of that life-support device or system affect its safety or effectiveness of that device or system ...
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Table of Contents 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Table of Contents 3 Operational Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of Figures Figure 1-1 DuSLIC-E and DuSLIC-P Chip Set . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Figure 1-2 ...
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List of Figures Figure 4-7 Minimal Application Circuit SLICOFI-2 and SLIC 4-9 Figure 4-8 Minimal Application Circuit SLICOFI-2 and SLIC ...
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Preface The DuSLIC chip set consists of a programmable dual channel SLICOFI two single channel high-voltage SLIC chips. Organization of this Document This Preliminary Product Overview is divided into six chapters organized as follows: • Chapter 1, Overview ...
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Overview DuSLIC is a chip set, comprising one dual channel SLICOFI-2 CODEC and two single- channel SLIC chips highly flexible CODEC/SLIC solution for an analog line circuit and is widely programmable. Users can now access different ...
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SLIC SLIC SLIC Functions Voltage feed Transversal current sensing Longitudinal current sensing Overload protection Battery switching Ring amplification On-hook transmission Polarity reversal Figure 1-1 DuSLIC-E and DuSLIC-P Chip Set Preliminary Product Overview SLICOFI-2 LV SLIC Functions CODEC Filter Functions ...
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DUAL CHANNEL SLICOFI-2, SLIC DuSLIC Version 1.0 1.1 Features • Internal unbalanced/balanced ringing capability /85 V RMS RMS • Programmable Teletax (TTX) generation • Programmable battery feed with cabability for driving longer loops • Fully programmable ...
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Typical Applications The Infineon Technologies DuSLIC family is particularily designed for all access network applications but adresses all major telephone applications including: • • Digital Loop Carrier • Wireless Local Loop • Fiber in the Loop • Private Branch ...
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Logic Symbols • Tip/Ring Interface Power supply Figure 1-2 Logic Symbol SLIC-E • Tip/Ring Interface Power supply Figure 1-3 Logic Symbol SLIC-P Preliminary Product Overview TIP RING PEB 4265 VDD AGND VHR BGND VBATL VBATH TIP RING PEB 4266 ...
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ITA ITB Line ITACA current ITACB ILA ILB VCMITA VCMITB DCPA DC DCPB Loop DCNA DCNB CDCPA CDCNA CDCPB CDCNB VCM VCMS ACPA ACPB AC ACNA Loop ACNB C1A C1B Logic C2A control C2B IO1A IO2A IO3A I/O IO4A ...
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Functional Description 2.1 Functional Overview The DuSLIC chip set is a cost-effective, high-performance solution that provides the BORSCHT functions of an analog line circuit. DuSLIC has the advantage of offering all the functions integrated in a single channel high-voltage ...
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BORSCHT Functions B Battery feed O Overvoltage protection R Ringing S Signaling (supervision) C Coding H Hybrid for 2/4-wire conversion T Testing Figure 2-1 shows the BORSCHT functions with the other function blocks normally required for an analog line ...
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Overvoltage Protection Overvoltage protection is indispensable to prevent damage to the line circuit if the system is exposed to high voltages that can result from power lines crossing or lightning strikes. The robust 170 V SLIC technology together with the ...
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Testing Access to the analog loop is necessary to perform the regular measurements involved in monitoring the local loop. Line circuit functions must also be tested. In conventional line circuit solutions, test units have to be switched to perform loop ...
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DC Feeding Analog telephones need a DC current in the off-hook state. AC speech signals in the receive and transmit directions are superimposed on this DC current. Once the off-hook state has been detected, the SLIC must supply a ...
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DC Characteristic Feeding Zones The DuSLIC DC feeding characteristic has three different zones: the constant current zone, the resistive zone and the constant voltage zone. A programmable voltage reserve can be selected to avoid clipping the high AC signals (e.g. ...
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Constant Current Zone In the off-hook state, the feed current must usually be kept at a constant value independent of load (see Figure 2-4). The SLIC senses the DC current and supplies this information to SLICOFI-2 via the IT ...
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Resistive Zone The programmable resistive zone of SLICOFI-2 provides extra flexibility over a wide range of applications. The resistive zone is used for very long lines where the battery is incapable of feeding a constant current into the line. ...
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Constant Voltage Zone The constant voltage zone is used in some applications to supply current through the line. In this case V TIP/RING load between the Tip and Ring pins. • I TIP/RING I LIM Figure 2-6 Constant Voltage ...
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In the constant current zone a finite resistor value of typically R applied for stability reasons. In the constant voltage zone an internal resistor value of 0 The external resistors R PRE the resistance R seen at the RING and ...
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Programmable Voltage Reserve To avoid clipping AC speech signals as well as AC metering pulses, a programmable voltage reserve V (see Figure 2-3) has to be provided. RES V consists of: RES • Voltage reserve of the SLIC output ...
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Extended Battery Feeding If the battery voltage is not sufficient to supply the minimum required current through the line even in the resistive zone, an auxiliary positive battery voltage is used to expand the possible voltage amplitude between Tip ...
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AC Transmission Characteristics SLICOFI-2 connects to the digital world either via an IOM-2 or PCM interface. The SLIC performs the high voltage functions. In receive direction, SLICOFI-2 converts PCM data from the network and outputs a differential analog signal ...
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SLIC SLIC Current Sensor Ring/Tip Figure 2-12 Signal Flow in Voice Channel (A) 2.4.1 Transmit Path The current sense signal (ITAC) is converted to a voltage by an external resistor. This voltage is first filtered by a simple anti-aliasing ...
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The DC signal has been processed in a separate DC path. A TTX signal, generated digitally within SLICOFI-2, can also be added. 2.4.3 Impedance Matching The SLIC outputs the voice signal to the line (receive direction) and also senses ...
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Transhybrid Balance Digital switching systems can handle voice data only if receive and transmit data are separated on distinctive channels. The analog voice signal on the local loop is 2-wire full duplex needs to be converted from ...
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Ringer Load A typical ringer load can be thought resistor in series with a capacitor. Ringer loads are usually described as a REN (Ringer Equivalence Number) value. REN is used to describe the on-hook impedance of ...
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Ringing Methods There are two methods of ringing: • Balanced ringing (bridged ringing) • Unbalanced ringing (divided ringing) • Table 2-2 Unbalanced versus Balanced Ringing Unbalanced Ringing: The ringing signal is applied to only either the Tip or Ring ...
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Balanced ringing produces much less longitudinal voltage, which results in a lower amount of noise coupled into adjacent cable pairs • By using a differential ringing signal, lower supply voltages become possible The phone itself cannot distinguish between balanced ...
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SLIC-E can be used for long-haul exchange requirements and has an integrated facility for balanced ringing applications (e.g. intelligent ISDN network termination). Internal ringing can be used balanced RMS ...
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SLIC- RING,RMS for SLIC- RING,RMS where DROP,RT DROP,T With the DUSLIC ringing voltages ringing waveforms with other CREST-factors can be programmed. The SLIC senses the ...
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When the called subscriber goes off-hook path is established from the Ring to the Tip line. The DC current is recognized by the SLICOFI-2 because it monitors the IT pin. An interrupt indicates ring trip if the line ...
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Teletax Metering and Filtering To satisfy worldwide application requirements, SLICOFI-2 offers integrated metering injection of either kHz signals with programmable amplitudes. SLICOFI-2 also has an integrated adaptive TTX notch filter and can switch the TTX signal to ...
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Metering by Polarity Reversal SLICOFI-2 also supports metering by changing the actual polarity of the voltages on the TIP/RING lines. Metering with polarity reversal is usually used for pay phones (coin lines). Every time the polarity changes, a magnet ...
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Signaling (Supervision) Signaling in the subscriber loop is monitored internally by the DuSLIC chip set. Supervision is performed by sensing the longitudinal and transversal line currents on the Ring and Tip wires. The scaled values of these currents are ...
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DuSLIC Enhanced Signalprocessing Capabilities The signal processing capabilities described in this chapter are realized by an Extended Digital Signal Processor (EDSP) except DTMF generation. Each function can be individually enabled or disabled for each DuSLIC channel. Therefore power consumption ...
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Federal Office for Post and Telecommunications, Germany) and Bellcore GR-30-CORE (TR-NWT-000506). The performance of the algorithm can be adapted according the needs of the application via the digital interface (detection level, twist, bandwith and center frequency of the notch filter). ...
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In the event of pauses < 20 ms: • If the pause is followed by a tone pair with the same frequencies as before, this is interpreted as drop-out. • If the pause is followed by a tone pair with ...
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DuSLIC FSK Generation Different countries use different standards to send Caller ID information. The SLICOFI- 2 chip set is compatible with the widely used standards, Bellcore GR-30-CORE, British Telecom (BT) SIN227, SIN242 or the UK Cable Communications Association (CCA) specification ...
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Bellcore On-hook Caller ID Physical Layer Transmission First Ring Burst Channel Seizure A B Parameter Header Message Message Parameter 1 Type Lenght Type Message Header 1 Message length equals the number of bytes to follow in the message body, ...
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S LEC Echo Shadow FIR Filter Figure 2-21 Line Echo Cancellation Unit - Block Diagram The adaption process is controlled by the three parameters Pow Level Receive), DeltaP LEC place only if both of the following conditions ...
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With this mechanism implemented in the DuSLIC chipset always the optimum modem transmission rate can be achieved. Figure 2-22 shows the functional block diagram ...
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Message Waiting Indication Message Waiting is a function that can be required by PBX applications. A Message Waiting Indication (MWI) lamp is activated indicating to the subscriber that a message has arrived. The DuSLIC Message Waiting function uses a ...
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Three-party Conferencing Each DuSLIC channel has a three-party conferencing facility consisting of four PCM registers, adders and gain stages in the microprogram and the corresponding control registers (see Figure 2-24). Three-party conferencing is available in PCM/µC-mode only. • Subscribers ...
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Table 2-6 Conference Modes Receive PCM Channels Mode R1 R2 PCM Off A PCM Active External B Conference A B External Conference + PCM Active Internal B conference • PCM Off After reset or in power down mode no ...
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Table 2-7 PCM/µC Interface Modes Config. Bits Receive PCM Channels PCM16K LIN R1 R1L PCM Mode LIN Mode 0 1 A-HB A-LB PCM16 Mode 1 0 DS1 LIN16 Mode 1 1 DS1 Empty ...
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Operational Description 3.1 Operating Modes for the DuSLIC Chipset Sleep (SL) In Sleep mode, off-hook is detected by an analog comparator in SLICOFI-2 and transferred via the INT or the DU-pin. The system clock can be stopped in this ...
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Ringing If SLICOFI-2 is switched to ringing mode, the SLIC is switched to ACTR mode. With SLIC-P connected to the SLICOFI-2, the Ring on Ring (ROR) mode allows unbalanced internal ringing on the Ring wire. The Tip wire is set ...
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Operating Modes for SLICOFI-2 and SLIC-E Table 3-1 PEB 4265 Operating SLICOFI-2 SLIC SLIC internal mode mode supply voltages (+/-) [ PDH PDH Open / V Sleep PDRH Open / V Power PDRH Open / V ...
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Table 3-1 PEB 4265 Operating SLICOFI-2 SLIC SLIC internal mode mode supply voltages (+/-) [ HIRT HIRT Active with HIR HIR Active with HIT HIT ...
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Operating Modes for Table 3-2 PEB 4266 Operating SLICOFI-2 SLIC SLIC internal mode mode supply voltages (+/-) ] [ V BI PDH PDH V BATR V Sleep PDRH BATH Sleep PDRR V BATR V Power PDRH BATH Down resistive ...
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Table 3-2 PEB 4266 Operating SLICOFI-2 SLIC SLIC internal mode mode supply voltages (+/-) ] [ Ringing ROR BATR (Ring) V Ringing ROT BATR (Ring) V Ring ACTR, BATR Pause ROR, ROT V HIRT HIRT BATR V ...
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Operating Modes and Power Management In many applications, the power dissipated on the line card is a critical parameter. In larger systems, the mean power value (taking into account traffic statistics and line length distribution) determines cooling requirements. Particularly ...
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Ringing For SLIC-E, an auxiliary positive supply voltage 150 V. For SLIC-P the whole supply range is provided by V line feed (~ 61 output impedance R signal plus ...
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Power Dissipation of the SLIC The SLIC power dissipation mainly comes from internal bias currents and the buffers output stage (to a less extent from the sensor) where additional power is dissipated whenever current is fed to the line. ...
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PEB 4265 by integrating a battery switch. With a standard battery voltage of -48 V, long lines can be driven line current. The SLIC-P PEB 4266 "low-power" version even allows ...
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Table 3-6 shows line currents and output voltages for different operating modes. • Table 3-6 Line Feed Conditions for Power Calculation for SLIC-E Operating Mode PDRH, PDRHL ACTL ACTH ACTR extended battery feeding at higher loop length (R > 1900 ...
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Figure 3-2 SLIC-E Power Dissipation with switched Battery Voltage Typical Power Consumption Calculation with SLIC-P (Internal Ringing) Assuming a typical application where the following battery voltages are used: ...
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Table 3-9 SLIC-P PEB 4266 Power Dissipation 1) PQ Operating [mW] Mode PDH 9 PDRH 7 PDRR 10 ACTL 81.7 ACTH 135 ACTR 372 (Boosted) ROR, ROT 252 (Ring Pause) 1) The formulas for the calculation of the power ...
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Typical Power Consumption Calculation with SLIC-P (External Ringing) Assuming a typical application where the following battery voltages are used - BATL 600 . L Requirement for TTX: V ...
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Figure 3-4 shows the total power dissipation PTOT of the SLIC-P in Active Mode (ACTH and ACTL) with switched Battery Voltage (V Power Applications). • 350 300 250 200 150 100 50 0 Figure 3-4 SLIC-P Power Dissipation (Switched Battery ...
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V Superimposed DC voltage for Ring trip detection ( RNG,DC V Sum of voltage drops in SLIC buffers (Table 3-5) DROP V Peak ring voltage at Tip/Ring RNG,PEAK The strong influence of the ringer load impedance Z ...
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SLIC Power Consumption Calculation in Ringing Mode The average power consumption for a ringing cadence of 1 sec. on and 4 seconds off is given by PTOT = k * PTOT average Ringing with k = 0.20 The typical ...
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Power Consumption Calculation for SLIC-E in Balanced Ringing Mode With the example of the above calulation for SLIC-E (see Chapter 3.4.3.3) and a typical ringer load 450 C = 3.4 µF, required ringing voltage V RNG RNG ...
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Power Consumption Calculation for SLIC-P in Balanced Ringing Mode With the example of the above calulation with R Chapter 3.4.3.3) when the internal ringing feature will be used. Typical Ringer load and ringing frequency ...
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Power Consumption Calculation for SLIC-P in Unbalanced Ringing Mode A similar power calculation is valid for internal unbalanced ringing mode, which is only available for the SLIC-P. With the following example -30 V, ...
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Test Modes 3.5.1 Introduction Subscriber loops are subject to many types of failure and therefore have to be monitored. This requires easy access to the subscriber loop to perform regular measurements. The tests involve resistance, leakage and capacitance measurements ...
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Conventional Line Testing Conventional analog line cards in Central Office applications usually include relays per channel. One relay is normally required to switch an external ring generator to the line and some applications need an additional ...
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List of Line Test Functions: • Loop resistance • Leakage current Tip/Ring • Leakage current Tip/GND • Leakage current Ring/GND • Ringer capacitance test • Line capacitance • Line capacitance Tip/Gnd • Line capacitance Ring/GND • Foreign voltage measurement Tip/GND ...
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Like the DC levelmeter signal the AC signal also may be rectified and integrated. The integration period is set either to 16ms or 256ms. Reading of the AC levelmeter result again is done via ...
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Test Loops The main AC signal path of SLICOFI-2 and the integrated analog and digital loops are shown in Figure 3-8. • XIN DS AX2 COX16 ROUT US AR2 TTXOUT TTX 32K VIN + PR ADC AC-ALB-PP IM1 OPIM_AN ...
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Interfaces The DuSLIC connects the analog subscriber to the digital switching network by two different types of digital interfaces to allow highest flexibility in different applications: • PCM interface combined with a serial microcontroller (µC) interface • IOM-2 interface. ...
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DRA (DRB). • FSC PCLK DRA ...
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DuSLIC channel can be programmed. Receive and transmit time slots can also be programmed individually. When DuSLIC is transmitting data on DXA (DXB), pin TCA (TCB) is activated to control an external driving device. The DRA/B ...
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Serial Microcontroller Interface The microcontroller interface consists of four lines: CS, DCLK, DIN and DOUT. CS: A synchronization signal starting a read or write access to SLICOFI-2. DCLK: A clock signal (up to 8.192 MHz) supplied to SLICOFI-2. DIN: ...
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CS DIN Comm 1st Comm 2nd DCLK DOUT Figure 4-3 Serial µC Interface - Read Acc. (n Data Bytes Transfered) 4.2 The IOM-2 Interface IOM-2 defines an industry standard serial bus for interconnecting telecommunication ICs for a broad range ...
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Voice Channel A Voice Channel A Figure 4-4 IOM-2 Int. Timing for Voice Channels (Per 8 kHz Frame) The information is multiplexed into frames, which are transmitted at an 8-kHz rate. The frames are subdivided into ...
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FSC DCL 4096 kHz DD TS0 TS0 DU Detail B Detail B FSC DCL DD/DU Bit N Figure 4-5 IOM-2 Interface Timing (DCL=4096 kHz, Per 8 kHz Frame) • FSC DCL 2048 kHz TS0 DD TS0 DU Detail C ...
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Both DuSLIC channels (see Figure 4-4) can be assigned to one of the eight time slots. Set the IOM-2 time slot selection as shown in Table 4-2 below by pin-strapping. In this way channels can be handled ...
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SLICOFI-2 and SLIC-E Interface • TIP Protection BGND RING VBATL VBATH (Sub) Figure 4-7 Minimal Application Circuit SLICOFI-2 and SLIC-E The PEB 4265 operates in the following ...
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SLICOFI-2 and SLIC-P Interface • TIP Protection BGND B RING VBATL VBATH VBATR (SUB) Figure 4-8 Minimal Application Circuit SLICOFI-2 and SLIC-P ...
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Table 4-3 SLIC-P Interface code "Overtemp" signaling possible via pin C1 2) SLIC-P for extremely power sensitive applications without internal ringing 3) SLIC-P with two battery voltages (V Preliminary Product Overview L 1) ...
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Electrical Characteristics 5.1 Electrical Characteristics PEB 4265 ( 5.1.1 Absolute Maximum Ratings PEB 4265 Parameter Symbol Battery voltage Battery voltage H V Auxiliary supply V voltage Total battery supply V voltage, continuously VDD supply voltage V ...
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Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Maximum ratings are absolute ratings; exceeding only one of these values may cause irreversible damage to the integrated circuit. 5.1.2 Operating Range PEB 4265 Parameter Symbol Battery ...
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Electrical Characteristics PEB 4266 ( 5.2.1 Absolute Maximum Ratings PEB 4266 Parameter Symbol Battery voltage Battery voltage H V Battery voltage R V Total battery supply V voltage, continuously VDD supply voltage V Ground voltage V ...
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Maximum ratings are absolute ratings; exceeding only one of these values may cause irreversible damage to the integrated circuit. 5.2.2 Operating Range PEB 4266 Parameter Symbol Battery voltage L V Battery voltage H V Battery voltage R V Total battery ...
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AC Transmission DuSLIC • Table 5-1 AC Transmission Parameter Longitudinal current capability AC Overload level Transmission Performance (2-wire) Return Loss Insertion Loss (2-wire to 4-wire and 4-wire to 2-wire) Gain accuracy - Transmit Gain accuracy - Receive Frequency Response ...
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Table 5-1 AC Transmission (cont’d) Parameter Gain Tracking Transmit gain Signal level variation Receive gain Signal level variation Balance Return Loss Group Delay Transmit delay, Absolute Receive delay, Absolute Group delay, Receive and Transmit, Relative to 1500 Hz Overload Compression ...
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Table 5-1 AC Transmission (cont’d) Parameter Longitudinal Balance Longitudinal to transversal Transversal to longitudinal Longitudinal signal generation TTX Signal Generation TTX signal Out-of-band Noise (Single frequency inband -25dBm0) Transversal Longitudinal Total Harmonic Distortion 2-wire to 4-wire 4-wire to 2-wire Idle ...
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Table 5-1 AC Transmission (cont’d) Parameter Distortion (Sinusoidal Test Method) Signal to Total Distortion Transmit Signal to Total Distortion Receive Power Supply Rejection Ratio VDD referenced to AGND VBAT referenced to AGND • Preliminary Product Overview Symbol Conditions STD Output ...
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DC Characteristics • Table 5-2 DC Characteristics Parameter Line Termination Tip, Ring Sinusoidal Ringing Max. ringing voltage Output impedance Harmonic distortion Output current limit Loop current accuracy Loop open resistance TIP to V BGND Loop open resistance RING to ...
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Figure 5-1 Overload Compression Preliminary Product Overview 3 Fundamental Input Power (dBm0) 5-10 DuSLIC Electrical Characteristics Fundamental 5 4.5 Output 4.2 4 Power (dBm0 ...
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Application Circuits Application circuits are shown for balanced ringing with DuSLIC-E/S, for unbalanced ringing with DuSLIC-P and for external unbalanced ringing with DuSLIC-E/S for two lines. Channel A and the SLIC have to be duplicated in the circuit diagrams ...
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Protection Circuit for SLIC-E and SLIC-S A typical overvoltage protection circuit for SLIC-E/S is shown in Figure 6-2. Other proved application schemes are available on request. • Ohm PROT fuseable resistor TIP RING R 20 Ohm PROT ...
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Table 6-1 List of Passive Components in Application Circuits for DuSLIC-E/S (calculated for a dual channel solution consisting of one SLICOFI-2 and two SLICs) No. Symbol R 2 IT1 2 R IT2 STAB R 4 ...
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Unbalanced Ringing In applications with the SLIC-P, unbalanced ringing is fully supported Vrms ringing voltage without any additional external components (see Figure 6-3). For unbalanced ringing with more than 50 Vrms ringing voltage (e.g. 75 Vrms), ...
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Protection Circuit for SLIC-P A typical protection circuit for SLIC-P is shown in Figure 6-4. Other proved application schemes are available on request. • Protection R 20Ohm PROT fuseable resistor TIP BGND RING R 20Ohm PROT fuseable resistor Figure ...
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Table 6-2 List of Passive Components in Application Circuits for DuSLIC-P (calculated for a dual channel solution consisting of one SLICOFI-2 and two SLICs) No. Symbol R 2 IT1 2 R IT2 STAB R 4 ...
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External Unbalanced Ringing with DuSLIC-S/E/P External unbalanced ringing applications are shown for a standard solution (see Figure 6-5) and for a solution dedicated to higher loop lenghts (see Figure 6-6). • • Figure 6-5 Application Circuit, External Unbalanced Ringing ...
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VCMS/SLICOFI-2 TIP 30 BGND RING +5V Ring Generator -48 VDC 80VRMS Figure 6-6 Application Circuit, External Unbalanced Ringing for Long Loops For handling higher electromagnetic compatibility (EMC) requirements, additional effort ...