MFC2000 datasheet(381/426 Pages) ETC

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Multifunctional Peripheral Controller 2000

MFC2000

100723A

Conexant

23-1

23. SSD_P80

23.1 Function Description

A 56K/33.6K data/fax modem core is integrated into the MFC2000 chip. It is called the P80 core. Furthermore,

Conexant’s SmartDAA technology is put into the MFC2000 chip. The P80 core can be connected to the phone

line through either the modem IA/traditional DAA or the SmartDAA System Side Device (SSD) logic/the

SmartDAA Line Side Device (LSD). The SSD logic is integrated into the MFC2000 chip. The SSD_P80 block

includes the SSD logic, P80 core, and interface logic to the internal ARM bus system.

23.1.1 System Configurations

The SSD_P80 can be configured in the following ways.

•

Configuration one: data acquisition is done only via SSD.

•

Configuration two: data acquisition is done via SSD and voice acquisition is done via External IA.

•

Configuration three: data acquisition is done only via External IA.

CONFIGURATION ONE

MFC2000

SSD

SIU Interface

IA interface

P80 CORE

LSD_REG.

LSD

EXTERNAL

Figure 23-1. System Configuration One

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