TELEFUNKEN Semiconductors

U3810BM

Rev. A1: 19.01.1996

4 (31)

GENERATOR

IAL

RX0,1,2,6

TX6

3

9

IAGC IBAL

BAL0,1,2

EC

SQUELCH

ANTI–

LARSEN

SERIAL

BUS

ANTI–

DISTORTION

MELODY–/

VDD

VCC

GND

RESET

AGA/

SIDETONE–

BALANCING

RPI

VRI

IMPA

TAD

VL

SAI

SO1

SO2

RREF

AGA

ZAC

RECO2

RECO1

STL

RECI

STS

MF

LVIO

CO

XCK

ESI

ZCO

THA

COS

IOS

CEI

RDC

MIC1

MIC2

MICO

TO

TIN

TACL

TAL

D

C

RECOX

MICX

VSA

DTMF–

IR

ISQ

SAIX

TX0,1,2

AR0,1 AT0,1

3

IT

NEA0,1,2

EA

AMF

SIN0,1

M0,1,2,3,4

IE2

8

IE1

4

IM

MIS

signal path (analog)

control path (digital)

94 9330

Figure 3 Digital adjustment of the analog parameters by the serial bus microprocessor-interface