MC145406P Просмотр технического описания (PDF) - Motorola => Freescale

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Компоненты Описание

производитель

MC145406P

Driver/Receiver EIA 232-E and CCITT V.28 (Formerly RS-232-D)

Motorola => Freescale 

MC34119

SPEAKER

DRIVER

MC145412/13/16

PULSE/TONE

DIALER

123

456

789

* 0#

HOOKSWITCH

MC145503

FILTER/

CODEC

RINGING

MC145426

UDLT

SYNC

LINE

INTERFACE

(TRANSFORMER

AND

PROTECTION)

TWISTED

PAIR

CONNECTION

TO EXTERNAL

TERMINAL

OR PC

MC145406

RS–232

DRIVER

RECEIVER

MC145428

DATA

SET

INTERFACE

+5V

MC34129

SWITCHING

GND

POWER

–5V

SUPPLY

(ISOLATED)

LINE

FILTER

Figure 6. Line–Powered Voice/Data Telephone with Electrically Isolated EIA 232–E Interface

MC145406

8

MOTOROLA

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