Silicon Laboratories Si2493 Especificaciones

Rev. 1.3 12/10 Copyright © 2010 by Silicon Laboratories Si2493Ordering InformationThis data sheet is valid only for those chipset combinations listed

Si249310 Rev. 1.3Figure 5. Parallel Interface Write Followed by Read TimingADDRESS = 0 or 1tWDSUtDHVALID DATA VALID DATAD[7:0]WRRDA0CStWRCtRLDD

Si2493Rev. 1.3 112. Typical Application SchematicRTS_DCD_ESCINT_TXDRESET_RXDCTS_GPIOVDDRINGTIPRefer to AN93 Appendix A for layout guidelines.Please s

Si249312 Rev. 1.3EECLK/D5DCD_/D4ESC/D3AOUT/INT_TXD/WR_RESET_RXD/RD_CTS_/CS_D6INT_/D0RI_/D1EESD/D2CLKOUT/EECS_/A0RTS_/D7VDDRINGTIPNo Ground Plane In DA

Si2493Rev. 1.3 133. Bill of Materials: Si2493 ChipsetComponent Value Supplier(s)C1, C2 33 pF, Y2, X7R, ±20% Panasonic, Murata, VishayC3 10 nF, 250 V,

Si249314 Rev. 1.3Table 7. Protocol Characteristics Item SpecificationData Rate (downstream)56 kbps54.666 kbps53.333 kbps52 kbps50.666 kbps49.333 kbps4

Si2493Rev. 1.3 15Data Rate33.6 kbps31.2 kbps28.8 kbps26.4 kbps24.0 kbps21.6 kbps19.2 kbps16.8 kbps14.4 kbps12.0 kbps9600 bps7200 bps4800 bps2400 bps12

Si249316 Rev. 1.3Transmit CarrierV.92V.90V.34ITU-T V.32bisITU-T V.32ITU-T V.29ITU-T V.22, V.22bis/Bell 212AOriginate modeAnswer modeITU-T V.21Originat

Si2493Rev. 1.3 17Phone Types 500 (rotary dial), 2500 (DTMF dial)Dialing Pulse and ToneDTMF Output Level Per Part 68Pulse Dial Ratio Make/Break: 39/61%

Si249318 Rev. 1.34. Functional DescriptionFigure 8. Functional Block DiagramThe Si2493 ISOmodem® is a complete embeddedmodem chipset with integrated

Si2493Rev. 1.3 194.2. Command ModeUpon reset, the ISOmodem® is in command mode andaccepts “AT” commands. An outgoing modem call canbe made using the

Si24932 Rev. 1.3

Si249320 Rev. 1.34.11. V.92 PCM UpstreamThe Si2493 supports the ITU-V.92 PCM upstream dataprotocol. This protocol allows the ISOmodem to connectat sp

Si2493Rev. 1.3 21Figure 9. Loop VoltageFigure 10. Loop Current0 3 6 9 121518 21242830 333639 4245475154576063666972 1000575 78 81 84 87LVCSBITSLoop Vo

Si249322 Rev. 1.34.16. Overcurrent DetectionThe Si2493 includes an overcurrent detection featurethat measures the loop current at a programmable time

Si2493Rev. 1.3 23Table 8. Basic AT Command Set (Command Defaults in Bold) Command Action$Display AT command mode settings.AAnswer incoming callA/Re-ex

Si249324 Rev. 1.3H1Go off-hook.InIdentification and checksum.I0Display Si2493 revision code.B: Revision BC: Revision C, etc.I1Display Si2493 firmware

Si2493Rev. 1.3 25V1Verbal result codesXnCall Progress Monitor (CPM)—This command controls which CPM signals are monitored and reported to the host fro

Si249326 Rev. 1.3+DR=XData compression reporting.X Mode0 Disabled 1 EnabledIf enabled, the intermediate result code is transmitted at the point after

Si2493Rev. 1.3 27+ESA Options+ESA = A+ESA = A,B+ESA = A,B,C+ESA = A,B,C,E+ESA = A,B,C,E,F+ESA = A,B,C,E,F,GSynchronous access mode control optionsA S

Si249328 Rev. 1.3+GCI = XCountry settings - Automatically configure all registers for a particular country.XCountry0Japan9 AustraliaAAustriaF Belgium1

Si2493Rev. 1.3 29+IFC Options+IFC = A+IFC = A,BSpecifies the flow control to be implemented.A Specifies the flow control method used by the host to co

Si2493Rev. 1.3 3TABLE OF CONTENTSSection Page1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Si249330 Rev. 1.3+PCW = XControls the action to be taken upon detection of call waiting.X Mode0 Toggle RI and collect type II Caller ID if enabled by

Si2493Rev. 1.3 31+PMHT=XControls access to MOH request and sets the timeout value.X Mode0 Deny V.92 MOH request.1 Grant MOH with 10 s timeout.2 Gra

Si249332 Rev. 1.34.24. Extended AT CommandsThe extended AT commands are supported by the Si2493 and are described in Tables 9 through 11.Table 9. Ext

Si2493Rev. 1.3 33&H2V.34 with automatic fallback (33.6 kbps to 300 bps)&H3V.34 only (33.6 kbps to 2400 bps)&H4ITU-T V.32bis with automatic

Si249334 Rev. 1.3&X0Abort &x1 or &x2 command.&X1Automatic determination of telephone line type.Result code: WXYZnW: 0 = line supports

Si2493Rev. 1.3 35Table 10. Extended AT% Command Set (Command Defaults in Bold) Command Action%$ Display AT% command settings.%B Report blacklist. See

Si249336 Rev. 1.3%V2 Automatic Line Status Detection—Adaptive Method.Description: Before going off-hook with the ATD, ATO, or ATA commands, the Si2493

Si2493Rev. 1.3 37Table 11. Extended AT\ Command Set (Command Defaults in Bold) Command Action\$ Display AT\ command settings.\Bn Character length will

Si249338 Rev. 1.3\Q3 Use RTS/CTS\Q4 Use XON/XOFF flow control for modem-to-DTE interface. Does not enable modem-to-modem flow control.\Tn DTE rate—Cha

Si2493Rev. 1.3 39\U Serial mode—causes a low pulse (25 ms) on RI and DCD. INT to be the inverse of ESC. RTS to be inverse of CTS.Parallel mode—causes

Si24934 Rev. 1.31. Electrical SpecificationsTable 1. Recommended Operating ConditionsParameter1Symbol Test ConditionMin2TypMax2UnitAmbient Temperatu

Si249340 Rev. 1.3Table 12. Result CodesNumeric Meaning Verbal Response X0 X1 X2 X3 X4 X50 Command was successful OK X X X X X X1 Link established at

Si2493Rev. 1.3 4145 A polarity reversal was NOT detectedNO POLARITY REVERSAL (enabled via G modifier)XXXXXX52 Link established at 56000 CONNECT 56000

Si249342 Rev. 1.35. S-RegistersThe S command allows reading (Sn?) or writing (Sn = x) the S-registers. The S-registers store values for functionsthat

Si2493Rev. 1.3 4324 Sleep Inactivity Time—Sets the time that the modem operates in normal power mode with no activity on the serial port, parallel por

Si249344 Rev. 1.342 Blacklisting—The Si2493 will not dial the same number more than two times in three minutes. An attempt to dial a third time within

Si2493Rev. 1.3 456. User-Access Registers(U-Registers)U-Registers are 16-bit registers written by the AT:Uaacommand and read by the AT:R (read all U-

Si249346 Rev. 1.37. Pin Descriptions: Si2493 (16-Pin Option)Pin # Pin Name Description1CLKIN/XTALIXTALI—Crystal Oscillator Pin.Provides support for p

Si2493Rev. 1.3 4712 GND Ground.Connects to the system digital ground.13 VARegulator Voltage Reference.Connects to an external capacitor and serves as

Si249348 Rev. 1.38. Pin Descriptions: Si2493 (24-Pin Option)Pin # Pin Name Description1CLKIN/XTALIClock Input/Crystal Oscillator Pin.Provides support

Si2493Rev. 1.3 499 MISO/RXD/RD Master In Slave Out/Receive Data/Read Enable.Serial data output from modem in SPI mode. Data output to DTE RXD pin in U

Si2493Rev. 1.3 5Figure 1. Test Circuit for Loop CharacteristicsTable 3. DC Characteristics, VD= 3.0 to 3.6 V(VD= 3.0 to 3.6 V, TA= 0 to 70 °C for F-gr

Si249350 Rev. 1.39. Pin Descriptions: Si3018Table 14. Si3018 Pin DescriptionsPin # Pin Name Description1QETransistor Emitter.Connects to the emitter

Si2493Rev. 1.3 5110. Ordering GuideChipset Max Speed System-Side PackageSystem-Side Line-Side Temp RangeSi2493 56 kbps 24-pin TSSOP Si2493-D-FT Si301

Si249352 Rev. 1.311. Package Markings (Top Markings)Codes for the Si2493-D-FT and Si2493-D-FS top marks are as follows: YY = Current Year WW = Work

Si2493Rev. 1.3 5312. Package Outline: 24-Pin TSSOPFigure 14 illustrates the package details for the Si2493 24-pin packaging option. Table 15 lists th

Si249354 Rev. 1.313. 24-Pin TSSOP Land PatternFigure 15 illustrates the recommended land pattern for the Si2493 24-Pin TSSOP. Table 16 lists the valu

Si2493Rev. 1.3 5514. Package Outline: 16-Pin SOICFigure 16 illustrates the package details for the Si2493 16-pin packaging option. Table 17 lists the

Si249356 Rev. 1.3Table 17. Package Diagram DimensionsDimension Min MaxA — 1.75A1 0.10 0.25A2 1.25 —b 0.31 0.51c 0.17 0.25D 9.90 BSCE 6.00 BSCE1 3.90 B

Si2493Rev. 1.3 5715. 16-Pin SOIC Land PatternFigure 17 illustrates the recommended land pattern for the Si2493 16-Pin SOIC. Table 18 lists the values

Si249358 Rev. 1.3DOCUMENT CHANGE LISTRevision 0.91 to Revision 1.0 Updated “ Features” and " Description" on page 1. Added Figure 5 typic

Si2493Rev. 1.3 59NOTES:

Si24936 Rev. 1.3Table 4. AC Characteristics (VD= 3.0 to 3.6 V, TA = 0 to 70 °C for F-grade, Fs = 8 kHz, TA= –40 to 85 °C for G-grade)Parameter Symbol

Si249360 Rev. 1.3CONTACT INFORMATIONSilicon Laboratories Inc.400 West Cesar ChavezAustin, TX 78701Tel: 1+(512) 416-8500Fax: 1+(512) 416-9669Toll Free:

Si2493Rev. 1.3 7Table 5. Absolute Maximum RatingsParameter Symbol Value UnitDC Supply Voltage VD4.1 VInput Current, Si2493 Digital Input Pins IIN±10 m

Si24938 Rev. 1.3Figure 2. SPI Slave TimingRead Cycle Time tRC120 — — nsWrite to Read Cycle Time tWRC120 — — nsSerial Peripheral Interface (SPI) Timing

Si2493Rev. 1.3 9Figure 3. Parallel Interface Read TimingFigure 4. Parallel Interface Write TimingtCSHtCSStAStAHADDRESS = 0 or 1tRLtRCtRLDDtDHtRLDDVALI