SI2457FT18-EVB datasheet, PDF - EEWORLD Datasheet

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SI2457FT18-EVB: Descriptionboard eval si2457 + si3018 24pin; CategoryDevelopment board/suite/development tools; File Size2MB，60 Pages; ManufacturerSilicon Laboratories Inc

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board eval si2457 + si3018 24pin

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Si2457/34/15/04

V.9 0 , V.3 4, V. 3 2

B I S

, V.22

B IS

I SO

MO DE M ®

Features

This data sheet applies to Si2457/34/



Integrated DAA

15/04 Revision D



Over 6000 V capacitive

isolation



Data modem formats



WITH

L O B A L

DAA

Bell



300 bps up to 56 kbps



V.21,V.22, V.29 Fast Connect



V.44, V.42, V.42bis, MNP2-5



Automatic rate negotiation



ITU-T,



Parallel

phone detect



Globally-compliant line

interface



Overcurrent detection



Type I and II caller ID decode



No external ROM or RAM required



UART, SPI, or parallel interface



Flexible clock options





Low-cost

32.768 kHz oscillator



4.915 MHz oscillator



27 MHz clock input

AT command set support

SMS / MMS support

Firmware upgradeable

EEPROM interface

Lead-free, RoHS-compliant

packages

Commercial or industrial

temperature range

DTMF detection/generation

Ordering Information

This data sheet is valid only for

those chipset combinations listed

on page 50.

Pin Assignments

Applications

Set-top boxes



Point-of-sale terminals



Text / video telephones



Digital video recorder



Digital televisions



Remote monitoring



Si2457/34/15/04

(16-Pin Option)

CLKIN/XTALI

XTALO

MISO/RXD

MOSI/TXD

SCLK/CTS

RESET

SS/RTS

DCD

ESC

GND

INT

C1A

C2A

Description

The ISOmodem family of products is a complete modem ranging in speed

from 56,000 bps to 2400 bps. Offered as a chipset with the Si2457, Si2434,

Si2415, or Si2404 system-side device and the Si3018/10 line-side device,

the ISOmodem utilizes Silicon Laboratories’ patented direct access

arrangement (DAA) technology to provide a programmable telephone line

interface with an unparalleled level of integration. These compact solutions

eliminate the need for a separate DSP, modem controller, codec,

transformer, relay, opto-isolators, clocking crystal, and 2-4 wire hybrid.

Available with a system-side packaging option of either a 16-pin SOIC or a

24-pin TSSOP, these devices are ideal for embedded modem applications

due to their flexibility, small footprint, and minimal external component

count.

Si2457/34/15/04

(24-Pin Option)

CLKIN/XTALI

XTALO

CLKOUT/EECS/A0

FSYNC/D6

VD3.3

GND

VDA

SS/RTS/D7

MISO/RXD/RD

MOSI/TXD/WR

SCLK/CTS/CS

RESET

SDO/EECLK/D5

DCD/D4

ESC/D3

VD3.3

GND

VDB

SDI/EESD/D2

RI/D1

INT/DO

AOUT/INT

C1A

C2A

System Block Diagram

Si3018/10

DCT

DCT2

IGND

DCT3

QE2

VREG2

RNG2

Host

CPU

Host Interface

Si24xx

System

Side

Si3018

Line

Side

Global

DAA

BOM

Telco

Tip

Ring

C1B

C2B

VREG

RNG1



UART



SPI



Parallel

Capacitive

Isolation Barrier

Rev. 1.3 12/10

Si2457/34/15/04

Si2457/34/15/04

A B L E

Section

O N T E N TS

Page

1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2. Typical Application Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3. Bill of Materials: Si2457/34/15/04 Chipset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.1. Host Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.2. Command Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.3. Data Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.4. Fast Connect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.5. V.80 Synchronous Access Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.6. Clocking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.7. Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.8. Data Compression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.9. Error Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.10. Wire Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.11. Caller ID Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.12. Parallel Phone Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

4.13. Overcurrent Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.14. Global Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.15. Firmware Upgrades . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.16. DTMF Detection / Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.17. SMS/MMS Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.18. Codec Interface (24-Pin Version Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.19. EEPROM Interface (24-Pin Version Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.20. AT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

4.21. Extended AT Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

5. S-Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

6. User-Access Registers (U-Registers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

7. Pin Descriptions: Si2457/34/15/04 (16-Pin Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

8. Pin Descriptions: Si2457/34/15/04 (24-Pin Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

9. Pin Descriptions: Si3018/10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

10. Ordering Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

11. Package Markings (Top Markings) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

11.1. Si2457-D-FT Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

11.2. Si2457-D-FS Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

11.3. Si2434-D-FT Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

11.4. Si2434-D-FS Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

11.5. Si2415-D-FT Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

11.6. Si2415-D-FS Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

11.7. Si2404-D-FT Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

11.8. Si2404-D-FS Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

11.9. Si3010-F-FS Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

11.10. Si3018-F-FS Top Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

12. Package Outline: 24-Pin TSSOP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

13. 24-Pin TSSOP Land Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

14. Package Outline: 16-Pin SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

15. 16-Pin SOIC Land Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Rev. 1.3

SI2457FT18-EVB Related Products

	SI2457FT18-EVB	SI2434-D-FT18-EVB	SI2415-D-FT18-EVB	SI2404-D-FS10-EVB	SI2404-D-FT10-EVB	SI2415-D-FS18-EVB	SI2434-D-FS18-EVB
Description	board eval si2457 + si3018 24pin	board eval isomodem 24pin	board eval isomodem 24pin	board eval isomodem 16pin	board eval isomodem 24pin	board eval isomodem 16pin	board eval isomodem 16pin

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