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AS2578 - TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS

Description

The AS2578 /B are a versatile repertory LD/MF diallers with a melody generator, a ring frequency discriminator and a 2-wire interface to EEPROM.

Together with the AS2520/1, the AS2578 /B form a coherent basis for a fully electronic telephone with a wide range of options.

Features

  • u u u u u u Low operating voltage Low current consumption, standby ≤ 0.1 µA Oscillator using Xtal or ceramic resonator (3.58 MHz) Serial interface to external EEPROM Consistent, simple and usable procedures The settings are programmed via the keyboard and stored in EEPROM or set by pin options Dialler: Data protection with 20 digit FIFO Sliding cursor protocol with comparison Automatic pause generation Temporary MF select via keyboard 30 digit LNR (Last Number Redial) 13 x 20 digit memory (RAM).

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Datasheet Details

Part number AS2578
Manufacturer austriamicrosystems AG
File Size 280.02 KB
Description TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS
Datasheet download datasheet AS2578 Datasheet
Additional preview pages of the AS2578 datasheet.

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Full PDF Text Transcription

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Data Sheet AS2578 /B Austria Mikro Systeme International ® TELEPHONE CONTROLLER WITH 13 MEMORIES AND 2-WIRE BUS General Description The AS2578 /B are a versatile repertory LD/MF diallers with a melody generator, a ring frequency discriminator and a 2-wire interface to EEPROM. Together with the AS2520/1, the AS2578 /B form a coherent basis for a fully electronic telephone with a wide range of options. The AS2578 /B are especially designed to adapt to different PTT specifications. A RAM is on chip for last number redial, 3 direct dial and 10 numbers with abbreviated dialling. To allow easy use under a PABX, the device incorporates automatic pause insertion and sliding cursor procedure as selectable options (AS2578) or centrex keys (AS2578B).
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