LE88266DLC

Le88266/286 Dual Channel Auto Battery Switching (ABS) Wideband VoicePort - VE880 Series Document ID : 126939 July 2014 Features Complete BORSCHT Functions for 2 Channels in a Ordering Information Single VoicePort Device 1 2 Le88266TQC 64-pin QFN (Green) Tray 1 2 Integrated Power Management Le88286TQC 64-pin QFN (Green) Tray 1 2 Le88266DLC 80-pin eLQFP (Green) Tray 1 2 Integrated high voltage switching regulator Le88286DLC 80-pin eLQFP (Green) Tray controllers generates supplies for VBH, VBM & 1. The green package meets RoHS Directive 2002/95/EC of the VBL European Council to minimize the environmental impact of electrical equipment. Low power Idle and On-hook transmission states 2. For delivery using a tape and reel packing system, add a T suffix to the OPN (Ordering Part Number) when placing an order. Worldwide Programmability Applications Input impedance, Balance Impedance, Gain Voice enabled Cable EMTAs DC feed voltage and current limit DSL Gateways and IADs Ringing frequency, voltage and current limit Fiber to the Building/Home (FTTB/H) 12 kHz and 16 kHz Metering Optical Network Terminals (ONT) Programmable supervision thresholds Wireless Local Loop (WLL), PBX Ringing Description 5 REN with pin for pin compatible 100-V (Le88266) and 120-V (Le88286) devices The Microsemi Le88266/286 Automatic Battery Up to 110-Vpk internal balanced ringing with Switching (ABS) VoicePort device implements a dual- programmable DC offset channel telephone line interface from the high voltage subscriber line to the PCM / MPI digital interface. Powerful Signal Generator Universal Caller ID generation VBL VBM VBH Up to 4 simultaneous tones TIPD 1 PCLK/DCL PLL TIPT High Voltage VoicePath API-II Software Available to Implement 1 FS/FSC RINGT Line Driver 1 FXS Functions RINGD 1 DXA/DU GCI Interface TAC DRA/DD 1 Voice Signal (GCI) RAC Supports device calibration 1 Processing RTV 1 LFC PCM Interface 1 Signaling Line configuration via VoicePath Profile Wizard RSN 1 and Time Slot Control IHL 1 Assigner (PCM) VeriVoice Test Suite Subscriber Loop Test TDC Supervision TSCA 1 RDC Processing 1 4 Input / Output I/O2 - I/O1 i i Signal Seamless integration with VP-API-II software Generation DCLK/S0 Signal DIN/S1 Microprocessor Utilizes integrated self test capabilities Generation DOUT Interface CS/PG RDC Supervision (MPI) 2 INT/S2 TDC Processing Line fault detection and reporting 2 RST IHL 2 Signaling SWCMPY RSN 2 Control SWVSY Pin Selectable PCM/MPI or GCI Interface LFC 2 SWISY Switching RTV SWOUTY 2 Voice Signal regulator G.711 -law, A-law, or 16 bit Linear Coding RAC SWCMPZ 2 Processing controllers TAC SWVSZ 2 SWISZ RINGD Wideband 16 kHz Sampling Mode 2 SWOUTZ RINGT High Voltage 2 XB TIPT Line Driver Analog 2 Integrated 150 mW 3-V Relay Driver TIPD Reference 2 External catch diode required VBL VBM VBH VREF IREF Small Footprint Package - Exposed Pad 64-pin QFN Minimal External Discrete Components Required Figure 1 - VoicePort Device Block Diagram 1 Microsemi Corporation Copyright 2014, Microsemi Corporation. All Rights Reserved.Datasheet Le88266/286 Table of Contents 1.0 Product Description . 5 2.0 Detailed Features of the Le88266/286 Device 5 3.0 Block Descriptions . 6 3.1 Digital Interfaces . 6 3.2 PCM/MPI Interface and Time Slot Assigner (PCM) . 7 3.3 Microprocessor Interface (MPI) 9 3.4 General Circuit Interface (GCI) . 11 3.5 Internal Configuration Registers 20 3.6 Input / Output Block 20 3.7 Voice Signal Processors 20 3.8 Signal Generation and Cadence Control 23 3.9 Signaling Control 26 3.10 Supervision Processing 30 3.11 Analog Reference Circuits 32 3.12 High Voltage Line Driver . 32 3.13 Internal Test Termination . 32 3.14 Test Load Switch (Le88286DLC only) . 32 3.15 Line Testing . 32 3.16 Switching Regulator Controllers . 33 4.0 Connection Diagrams and Pin Descriptions . 34 5.0 Absolute Maximum Ratings . 40 5.1 Thermal Resistance 41 5.2 Package Assembly 41 6.0 Operating Ranges . 41 6.1 Recommended Operating Conditions 41 7.0 Electrical Characteristics . 42 7.1 Test Conditions . 42 7.2 Supply Currents and Power Dissipation 42 7.3 DC Characteristics . 43 7.4 DC Feed and Signaling . 44 7.5 Test Load Switch (Le88286DLC Device Only) . 44 7.6 Metering . 44 7.7 Ringing . 45 7.8 Switching Regulator Controller . 45 7.9 Converter Configuration Signal Sense Accuracy . 46 7.10 Transmission Characteristics - Narrowband Codec Mode . 47 7.11 Attenuation Distortion - Narrowband Codec Mode . 48 7.12 Discrimination Against Out-of-Band Input Signals - Narrowband Codec Mode . 49 7.13 Discrimination Against 12- and 16-kHz Metering Signals - Narrowband Codec Mode 49 7.14 Spurious Out-of-Band Signals at the Analog Output - Narrowband Codec Mode 50 7.15 Overload Compression - Narrowband Codec Mode 50 7.16 Gain Linearity - Narrowband Codec Mode . 51 7.17 Total Distortion Including Quantizing Distortion - Narrowband Codec Mode . 52 7.18 Group Delay Distortion - Narrowband Codec Mode 53 7.19 Transmission Characteristics - Wideband Codec Mode .54 7.20 Attenuation Distortion - Wideband Codec Mode . 55 7.21 Group Delay Distortion - Wideband Codec Mode 56 8.0 Switching Characteristics and Waveforms . 57 8.1 Microprocessor Interface Timing 57 8.2 PCM Interface Timing 59 8.3 GCI Timing 62 8.4 Switcher Output Timing . 65 9.0 Applications 66 9.1 Application Circuit . 66 9.2 Le88266/286 VoicePort Device Parts List . 68 10.0 Command Description and Formats . 69 10.1 Command Field Summary 69 10.2 MPI Description 69 10.3 Summary of Commands . 70 10.4 Detailed Descriptions Of Commands . 72 2 Microsemi Corporation