AM79C32AVC datasheet(65/101 Pages) AMD

No. de pieza	AM79C32AVC

Descripción Electrónicos	Digital Subscriber Controller??(DSC?? Circuit

PDF	101 Pages

Scroll/Zoom	100%

Fabricante Electrónico	AMD [Advanced Micro Devices]

Página de inicio	http://www.amd.com

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65 / 101 page

Am79C30A/32A Data Sheet

APPLICATIONS

ISDN Feature Phone

This basic feature phone is the ISDN equivalent to the

common analog phone. The keypad can be a simple

four-by-four single-pole switch-matrix or a larger-matrix

to provide full-key system features. The display option

illustrated in Figure 14 can be included in any of theap-

plications shown in this section.

ISDN Feature Phone with Parallel and Serial Data

Ports Plus Other Peripherals

Access to the CCITT R reference interface is provided

via both the serial and parallel ports in Figure 15. This

application may easily have voice capability added by

using a DSC circuit in place of the IDC circuit. Figure 16

illustrates applications with increased B-channel data

processing requirements.

Am79C30A DSC Circuit

Audio

Processor

Telephone

Speaker

B-Channel

MUX

LIU

OSC

MPI

D-Channel

DLC

Surge

Protection

S/T

Interface

Hook Switch

MCLK

RAM

ROM

Interrupt

Microcontroller

Power Reversal Interrupt

Power

Controller

LCD Display

Keypad

09893H-10

Figure 14.

ISDN Telephone

AM79C32AVC Datasheet(PDF) 65 Page - Advanced Micro Devices

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