U3810BM

更新时间： 2024-11-20 22:18:23

品牌	Logo	应用领域
TEMIC		手机
页数	文件大小	规格书
31页	496K
描述
Multi Standard Feature Phone Integrated Circuit

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U3810BM 数据手册

U3810BM

TELEFUNKEN Semiconductors

Multi Standard Feature Phone Integrated Circuit

Description

The U3810BM multi-standard feature phone circuit is antilarsen and antidistortion systems, a power supply, a

designed to be used with a microcontroller using a 2-wire clock and a reset for the microcontroller. Transmit, receive

serial bus. It performs all speech and line interface and loudhearing gains control / AGC range / DTMF

functions required in an electronic telephone set: the frequencies, pre-emphasis and level / melody generator,

ringing function with switching regulator and melody and mutes are programmable through the serial bus.

generator, the DTMF dialling, the loudhearing with

Block diagramm

Loudhearing

Speech

and

circuit

Tone ringing

with

EEPROM

DTMF

dialer

Tone

ringer

93 7600 e

Figure 1

Applications

Benefits

Complete system integration of analog signal

processing and digital control circuitry

Feature phones

Answering machines

Fax machines

One IC for various PTT standards, e.g. programmable

specification via C

Only three low-cost transducers needed (instead of

four)

Rev. A1: 19.01.1996

1 (31)

12 3 4 5 6 7...31

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