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HD04-T

更新时间： 2024-11-27 12:46:23

品牌	Logo	应用领域
芯科 - SILICON		二极管光电二极管 PC
页数	文件大小	规格书
36页	684K
描述
Evaluation Board Rev 5.0 for the Si2493/57/34/15/04

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Si2493/57/34/15/04

Global ISOmodem-EVB

Evaluation Board Rev 5.0 for the Si2493/57/34/15/04

ISOmodem with UART and SPI Interfaces

A direct access header (J103) is available on the

motherboard to bypass the RS-232 transceivers and

connect the Si2493/57/34/15/04 ISOmodem directly to

a target system.

Description

The global Si2493/57/34/15/04-EVB evaluation board

Rev 5.0 provides the system designer an easy way of

evaluating the Si2493/57/34/15/04 ISOmodem . The

An on-board rectifier, filter, and voltage regulator allow

the power input to be 7.5–13 V ac or dc (either polarity)

supplied through a screw terminal (J8) or a standard

2 mm power jack (J9). Alternatively, power can be

supplied through the USB interface (whether the USB or

RS232 interface is used). The evaluation board can

drive an external speaker for call monitoring or the

speaker mounted directly on the board. Please note that

the PCM interface, parallel interface, and EEPROM are

available on the 24-pin FT only. See "1.7.EVB Part

Numbers" on page 8 for ISOmodem EVB options.

Si2493/57/34/15/04-EVB consists of a motherboard

with a power supply, an RS-232 and USB interface,

other ease-of-use features, and a complete removable

modem module on a daughter card. (A functional block

diagram of the Si2493/57/34/15/04-EVB is shown

below.) The Si2493/57/34/15/04 ISOmodem is a

complete controller-based modem chipset with an

integrated

and

programmable

direct

access

arrangement (DAA) that meets global telephone line

requirements. Available as a combination of one 16-pin

small line-side device and one 24-pin or 16-pin system-

side device, the Si2493/57/34/15/04 ISOmodem

eliminates the need for a separate DSP data pump,

modem controller, memories, codec, isolation

transformer, relays, opto-isolators, and a 2- to 4-wire

hybrid. The Si2493/57/34/15/04 is ideal for embedded

modem applications due to its small board area,

controller-based architecture, low power consumption,

and global compliance. The Si2493/57/34/15/04-EVB

provides an RJ-11 jack (for interfacing the Si2493/57/

34/15/04-EVB to the phone line), and USB and RS232

serial ports for interfacing to a PC or data terminal. This

allows the ISOmodem to operate as a serial modem for

straightforward evaluation of the Si2493/57/34/15/04. To

evaluate the Si2493/57/34/15/04 ISOmodem in an

embedded system, the daughter card can be used

independently of or with the motherboard.

Features

The Si2493/57/34/15/04-EVB includes the following:

 Dual RJ-11 connection to phone line

 RS-232 and USB interface to PC

 Speaker for call monitoring

 Direct access to Si2493/57/34/15/04 for embedded

application evaluation

 Easy power connection to common 7.5 V–13.5 V

power supplies or USB port.

 9 V ac adaptor

 Simple installation and operation

 EEPROM (24-pin FT only)

 RS232 lines status display on LEDs.

Functional Block Diagram

Audio

Out

7.5-13.5 V dc or

peak ac Adaptor

Audio

Amplifier

Rectifier

Filter

Voltage

Regulator

Direct

Access HDR

3.3 V

Daughter Board Boundary

5 V

USB

Connector

USB I/F

Phone

line

AOUT

Interface

Selection

Jumpers

Interface

Circuit

Si2493/57/34/15/04

Si3018*

RJ-11

UART

RS-232

Transceivers

DB9

RESET XTALO XTALI

Push Button

Reset

Power-On

Reset

*Si3010 for Si2404

Rev. 0.7 4/11

Si2493/57/34/15/04-EVB

12 3 4 5 6 7...36

中文翻译

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