SI2493-C-GT Silicon Laboratories Inc, SI2493-C-GT Datasheet

SI2493-C-GT

Manufacturer Part Number

SI2493-C-GT

Description

IC ISOMODEM SYSTEM-SIDE 24TSSOP

Manufacturer

Silicon Laboratories Inc

Datasheet

1.SI2493-C-FS.pdf (230 pages)

Specifications of SI2493-C-GT

Mfg Application Notes

SI2493/57/34/15/04, Appl Note AN93

Data Format

V.21, V.22, V.23, V.29, V.32, V.34, V.90, V.92, Bell 103, Bell 212A

Baud Rates

56k

Interface

Parallel

Voltage - Supply

3 V ~ 3.6 V

Mounting Type

Surface Mount

Package / Case

24-TSSOP

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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S i 2 4 9 3 / S i 2 4 5 7 / S i 2 4 3 4 / S i 2 4 1 5 / S i 2 4 0 4 M o d e m D e s i g n e r ’s G u i d e

1. Introduction

This application note is intended to supplement the

Si2493/Si2457/Si2434/Si2415 and Si2404 data sheets

and is divided into two main sections: "2. Hardware

Design

Reference". The Hardware Design Reference provides

functional descriptions and information necessary to

design ISOmodem

can be found in the respective data sheets. The

Software Design Reference includes information on

how to control the functionality of the modem with AT

commands and register settings. Particular topics of

interest in either design reference can be easily located

through the table of contents or the comprehensive

index located at the back of this document.

The Hardware Design Reference is divided into three

sections. The first section describes the modulations

and protocols supported by the chipset. The modem

and DAA chip operation are described, and a reference

design including a suggested bill of materials is

presented. Silicon Laboratories also has printed circuit

Rev. 0.9 2/06

CLKOUT/EECS/A0

RESET

D0-D7

RXD

DCD

TXD

CTS

RTS

ESC

INT

CLKIN/XTALI

Reference"

Interface

Clocking

Parallel

Serial

PLL

hardware. Chipset specifications

XTALO

and

Microcontroller

RAM/ROM

"3.

DSP

Data Bus

Figure 1. Functional Block Diagram

Software

Si2493/57/34/15/04

Interface

DAA

Design

ISOB

AOUT

board layout files available separately. These include

double-sided and single-sided layouts with options for

through-hole

evaluation boards, useful for evaluating the modem

chipset or for initial prototyping work, are available.

Check with your Silicon Laboratories salesperson or

distributor for more details.

The Software Design Reference consists of sections

focused on the modem controller, memory, and digital

interface. The modem controller section includes a

complete description of AT commands, “fast connect”

options,

methods, and default settings. The memory section

describes the EEPROM interface, S-Registers, and U-

Registers including bit-mapped registers used to

configure both the modem chip and the line-side DAA

chip. "3.4. Digital Interface" on page 98 provides details

about the serial and parallel interface capability of the

modem. Additionally, there are several programming

examples, a section on testing, and a comprehensive

section with configuration settings for most countries.

transparent

isolation

Isolation

Interface

Isolation Barrier

*Si3010 with Si2404

Si3018*

HDLC/V.80

components.

Termination

Ring Detect

Off-Hook

and dc

Hybrid

mode,

AN93

Circuitry

External

Additionally,

escape

AN93

RING

TIP

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