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PSB21393 Datasheet(PDF) 11 Page - Infineon Technologies AG |
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PSB21393 Datasheet(HTML) 11 Page - Infineon Technologies AG |
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11 / 253 page  Data Sheet 1 2001-03-07 PSB 21391 PSB 21393 Overview 1 Overview The SCOUT-P or SCOUT-PX respectively integrates all necessary functions for the completion of a cost effective digital voice terminal solution. Please note: Throughout the whole document “SCOUT™“refers to “SCOUT™-P“ and “SCOUT™-PX“ The SCOUT combines the functionality of the ARCOFI®-BA PSB 2161 (Audio Ringing Codec Filter Basic Function) or ARCOFI®-SP PSB 2163 (Audio Ringing Codec Filter with Speakerphone) respectively and the SmartLink-P PSB 2197 (Subscriber Access Controller for UPN Terminals) or ISAC ®-P TE PSB 2196 (ISDN Subscriber Access Controller for UPN Terminals in TE mode) respectively on a single chip. The SCOUT-P is suited for the use in basic PBX voice terminals just as it is, and in combination with an additional device on the modular IOM®-2 interface, in high end featurephones e.g. with acoustic echo cancellation. The SCOUT-PX PSB 21393 is an extended SCOUT-P PSB 21391 which provides the speakerphone performance of the ARCOFI-SP PSB 2163. The transceiver implements the subscriber access functions for a digital terminal to be connected to a two wire UPN interface. It covers complete layer-1 and basic layer-2 functions for digital terminals. The codec performs encoding, decoding, filtering functions and tone generation (ringing, audible feedback tones and DTMF signal). An analog front end offers three analog inputs and two analog outputs with programmable amplifiers. The IOM-2 interface allows a modular design with functional extensions (e.g. acoustic echo cancellation, tip/ring extension, S/T-interface option, terminal repeater) by connecting other voice/data devices to the SCOUT. A serial microcontroller interface (SCI) is supported. A clock signal and a reset input and output pin complete the microcontroller interface. The SCOUT is a CMOS device offered in a P-MQFP-44 package and operates with a 3.3V or 5V supply. |
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