Silicon Laboratories Si2415 Especificações Página 1

Preliminary Rev. 0.91 5/04 Copyright © 2004 by Silicon Laboratories Si2457/Si2434/Si2415This information applies to a product under development. Its c

Si2457/Si2434/Si241510 Rev. 0.91Typical Application SchematicEECLK/D5DCD_/D4ESC/D3AOUT/INT_TXD/WR_RESET_RXD/RD_CTS_/CS_D6INT_/D0RI_/D1EESD/D2CLKOUT/EE

Si2457/Si2434/Si2415Rev. 0.91 11Bill of Materials: Si2457/34/15 ChipsetComponent Value Supplier(s)C1, C2 33 pF, Y2, X7R, ±20% Panasonic, Murata, Visha

Si2457/Si2434/Si241512 Rev. 0.91Table 7. Protocol CharacteristicsItem SpecificationData Rate56 kbps154.666 kbps153.333 kbps152 kbps150.666 kbps149.333

Si2457/Si2434/Si2415Rev. 0.91 13Data FormatBit asynchronousSelectable 8, 9, 10, or 11 bits per characterCompatibility ITU-T V.901, V.342, V.32bis, V.3

Si2457/Si2434/Si241514 Rev. 0.91Output LevelPermissive—Switched network–9 dBm maximumReceive CarrierITU-T V.901ITU-T V.342ITU-T V.32bisITU-T V.32ITU-T

Si2457/Si2434/Si2415Rev. 0.91 15Call Progress Monitor BUSYCONNECT (rate) NO ANSWERNO CARRIERNO DIALTONEOKRINGRINGINGTable 7. Protocol Characteristics

Si2457/Si2434/Si241516 Rev. 0.91Functional DescriptionThe Si2457/34/15 ISOmodem® is a completeembedded modem chipset with integrated direct accessarra

Si2457/Si2434/Si2415Rev. 0.91 17Parallel InterfaceThe parallel interface is an 8-bit data bus with a singlebit address. Figure 3 on page 9 shows the r

Si2457/Si2434/Si241518 Rev. 0.91wire mode.Caller ID OperationThe Si2457/34/15 supports full type I and type II callerID detection and decode. Caller I

Si2457/Si2434/Si2415Rev. 0.91 19Figure 6. Loop CurrentOvercurrent DetectionThe Si2457/34/15 includes an overcurrent detectionfeature that measures the

Si2457/Si2434/Si24152 Rev. 0.91

Si2457/Si2434/Si241520 Rev. 0.91AT CommandsAt powerup, the Si2457/34/15 is in the AT command mode. In command mode, the modem monitors the input(seria

Si2457/Si2434/Si2415Rev. 0.91 21HnHook switch.H0Go on-hook (hang up modem).H1Go off-hook.InIdentification and checksum.I0Display Si2457/34/15 revision

Si2457/Si2434/Si241522 Rev. 0.91V1Verbal result codesXnCall Progress Monitor (CPM)—This command controls which CPM signals are monitored and reported

Si2457/Si2434/Si2415Rev. 0.91 23+DR=X Data compression reporting.X Mode0 Disabled 1 EnabledIf enabled, the intermediate result code is transmitted at

Si2457/Si2434/Si241524 Rev. 0.91+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 cont

Si2457/Si2434/Si2415Rev. 0.91 25+GCI = XCountry settings - Automatically configure all registers for a particular country.XCountry0Japan9 AustraliaAAu

Si2457/Si2434/Si241526 Rev. 0.91+IFC Options+IFC = A+IFC = A,BSpecifies the flow control to be implemented.A Specifies the flow control method used by

Si2457/Si2434/Si2415Rev. 0.91 27+PCW = XControls the action to be taken upon detection of call waiting.X Mode0 Toggle RI and collect type II Caller ID

Si2457/Si2434/Si241528 Rev. 0.91Extended AT CommandsThe extended AT commands are supported by the Si2457/34/15 and are described in Tables 10 through

Si2457/Si2434/Si2415Rev. 0.91 29&H4ITU-T V.32bis with automatic fallback (14.4 kbps to 300 bps) (default for Si2415)&H5ITU-T V.32bis only (14.

Si2457/Si2434/Si2415Rev. 0.91 3TABLE OF CONTENTSSection PageElectrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Si2457/Si2434/Si241530 Rev. 0.91&X1Automatic determination of telephone line type.Result code: WXYZnW: 0 = line supports DTMF dialing.1 = line is

Si2457/Si2434/Si2415Rev. 0.91 31%V1 Automatic Line Status Detection—Fixed Method.Description: Before going off-hook with the ATD, ATO, or ATA commands

Si2457/Si2434/Si241532 Rev. 0.91Table 12. Extended AT\ Command Set (Command Defaults in Bold) Command Action\$ Display AT\ command settings.\Bn Charac

Si2457/Si2434/Si2415Rev. 0.91 33\Q3 Use RTS/CTS\Q4 Use XON/XOFF flow control for modem-to-DTE interface. Does not enable modem-to-modem flow control.\

Si2457/Si2434/Si241534 Rev. 0.91\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.Parall

Si2457/Si2434/Si2415Rev. 0.91 35Table 13. Result CodesNumeric Meaning Verbal Response X0 X1 X2 X3 X4 X50Command was successfulOK XXXXXX1 Link establi

Si2457/Si2434/Si241536 Rev. 0.9143 Telephone line is in use LINE IN USE (enabled via %Vn commands)XXXXXX44 A polarity reversal was detectedPOLARITY RE

Si2457/Si2434/Si2415Rev. 0.91 37The connect messages shown in Table 13 are sent when link negotiation is complete.100 Link established at 53333 CONNEC

Si2457/Si2434/Si241538 Rev. 0.91S-RegistersThe S command allows reading (Sn?) or writing (Sn = x) the S-registers. The S-registers store values for fu

Si2457/Si2434/Si2415Rev. 0.91 3924 Sleep Inactivity Time—Sets the time that the modem operates in normal power mode with no activity on the serial por

Si2457/Si2434/Si24154 Rev. 0.91Electrical SpecificationsTable 1. Recommended Operating ConditionsParameter1Symbol Test ConditionMin2TypMax2UnitAmbient

Si2457/Si2434/Si241540 Rev. 0.9142 Blacklisting—The Si2457/34/15 will not dial the same number more than two times in three minutes. An attempt to dia

Si2457/Si2434/Si2415Rev. 0.91 41User-Access Registers (U-Registers)The :U AT command is used to write these 16-bit U-registers, and the :R command is

Si2457/Si2434/Si241542 Rev. 0.91U17 BT1A0 BT1 registers set the coefficients for stage 1 of the Busy Tone Detect filter. Default is for FCC countries.

Si2457/Si2434/Si2415Rev. 0.91 43U33 RMOT Ringback cadence minimum on time in seconds multiplied by 7200. 0x1200U34 DTWD Window to look for dialtone in

Si2457/Si2434/Si241544 Rev. 0.91U4F FHT Flash Hook Time. Time corresponding with “!” or “&” dial modifier that the Si2457/34/15 goes on-hook durin

Si2457/Si2434/Si2415Rev. 0.91 45U87 SAM This is a bit-mapped register 0x0000U9F SASF SAS frequency detection. See “AN93: Modem Designer’s Guide” for c

Si2457/Si2434/Si241546 Rev. 0.91Table 16. Bit-Mapped U-Register SummaryReg. Name Bit 15Bit 14Bit 13Bit 12Bit 11Bit 10Bit 9Bit 8Bit 7Bit 6Bit 5Bit 4Bit

Si2457/Si2434/Si2415Rev. 0.91 47Bit-Mapped U-Register Detail (defaults in bold)Reset settings = 0x0000U4D MOD1Bit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6

Si2457/Si2434/Si241548 Rev. 0.91Reset settings = 0x0000Reset settings = 0x0804U53 MOD2BitD15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0NameREVTypeR/WBit Name

Si2457/Si2434/Si2415Rev. 0.91 49Reset settings = 0x0003Reset settings = 0x00E0U63 DAAC3BitD15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0NameLCS[7:0] ACT[3:0]T

Si2457/Si2434/Si2415Rev. 0.91 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

Si2457/Si2434/Si241550 Rev. 0.91Reset settings = 0x0040U66 DAAC5BitD15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0Name FDTType RBit Name Function15:7 Reserved

Si2457/Si2434/Si2415Rev. 0.91 51Reset settings = 0x0008U67 ITC1BitD15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0Name MINI[1:0] ILIM DCR OHS DCV[1:0] RZ RTType

Si2457/Si2434/Si241552 Rev. 0.91Reset settings = 0x00001RZRinger Impedance.0 = Maximum (high) ringer impedance.1 = Synthesize ringer impedance. C15, R

Si2457/Si2434/Si2415Rev. 0.91 53Reset settings = N/AReset settings = 0x0000U6A ITC4BitD15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0Name OVLType RBit Name Fun

Si2457/Si2434/Si241554 Rev. 0.91Reset settings = 0x1F20Reset settings = 0x00FFU6E CK1BitD15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0Name R1[4:0]Type R/WBit

Si2457/Si2434/Si2415Rev. 0.91 55Reset settings = 0x2700U70 IO0Bit D15D14D13D12D11D10D9 D8 D7 D6 D5D4D3D2D1D0NameHES TES CIDM OCDM PPDM RIM DCDM 0 CID

Si2457/Si2434/Si241556 Rev. 0.91Reset settings = 0x0000Reset settings = 0x3240U71 IO1BitD15D14D13D12D11D10D9 D8 D7D6D5 D4 D3D2D1D0Name COMP PRTType R/

Si2457/Si2434/Si2415Rev. 0.91 57Reset settings = 0x401EU77 GEN2Bit D15D14D13D12D11D10D9D8D7D6D5D4D3D2D1D0Name IST[3:0] HOI AOC OHT[8:0]Type R/W R/W R/

Si2457/Si2434/Si241558 Rev. 0.91Reset settings = 0x0000U78 GEN3Bit D15D14D13D12D11D10D9 D8D7D6D5D4D3D2D1D0Name IB[1:0] IS[8:0]Type R/W R/WBit Name Fun

Si2457/Si2434/Si2415Rev. 0.91 59Reset settings = 0x0000U79 GEN4Bit D15D14D13D12D11D10D9 D8 D7D6D5D4D3D2D1D0Name LVCS[4:0]Type RBit Name Function15:5 R

Si2457/Si2434/Si24156 Rev. 0.91Table 4. AC Characteristics (VD= 3.0 to 3.6 V, TA = 0 to 70 °C for K-Grade, Fs = 8 kHz)Parameter Symbol Test Condition

Si2457/Si2434/Si241560 Rev. 0.91Reset settings = 0x0000U7A GENABitD15D14D13D12D11D10D9D8D7D6D5D4D3 D2 D1 D0Name DOP ADD V22HD HDLC FASTType R/W R/W R/

Si2457/Si2434/Si2415Rev. 0.91 61Reset settings = 0x0000Reset settings = 0x0000U7C GENCBit D15D14D13D12D11D10D9D8D7D6D5 D4 D3 D2 D1 D0Name RIGPO RIGPOE

Si2457/Si2434/Si241562 Rev. 0.91Reset settings = 0x0000Reset settings = 0x0000U87 SAMBit D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0Name MIN

Si2457/Si2434/Si2415Rev. 0.91 63Parallel Interface RegistersReset settings = 0x00Parallel Interface 0 (0x00)BitD7D6D5D4D3D2D1D0Name TX/RX[7:0]Type R/W

Si2457/Si2434/Si241564 Rev. 0.91Reset settings = 0110_0011Parallel Interface 1 (0x01)Bit D7D6D5 D4 D3 D2D1D0Name RXF TXE REM INTM INT ESC RTSCTSType R

Si2457/Si2434/Si2415Rev. 0.91 65Pin Descriptions: Si2457/34/15Pin # Pin Name Description1 CLKIN/XTALI Clock Input/Crystal Oscillator Pin.This pin prov

Si2457/Si2434/Si241566 Rev. 0.9110 TXD/WR Transmit Data/Write Enable.Data input from DTE TXD pin in serial mode. Active low write enable pin in paral-

Si2457/Si2434/Si2415Rev. 0.91 67Pin Descriptions: Si3018Table 17. Si3018 Pin DescriptionsPin # Pin Name Description1QETransistor Emitter.Connects to t

Si2457/Si2434/Si241568 Rev. 0.91Ordering GuideChipset Description Digital Line TemperatureSi2457 Commercial lead-free Si2457-FT Si3018-FS 0 to 70 °CSi

Si2457/Si2434/Si2415Rev. 0.91 69Package Outline: 24-Pin TSSOPFigure 7 illustrates the package details for the Si2457/34/15. Table 18 lists the values

Si2457/Si2434/Si2415Rev. 0.91 7Table 5. Absolute Maximum RatingsParameter Symbol Value UnitDC Supply Voltage VD4.1 VInput Current, Si2457/34/15 Digita

Si2457/Si2434/Si241570 Rev. 0.91Package Outline: 16-Pin SOICFigure 8 illustrates the package details for the Si3018. Table 19 lists the values for the

Si2457/Si2434/Si2415Rev. 0.91 71Document Change ListRevision 0.9 to Revision 0.91 Updated CLKOUT frequency specification in Table 6 on page 7. Updat

Si2457/Si2434/Si241572 Rev. 0.91Contact InformationSilicon Laboratories Inc.4635 Boston LaneAustin, TX 78735Tel: 1+(512) 416-8500Fax: 1+(512) 416-9669

Si2457/Si2434/Si24158 Rev. 0.91Figure 2. Asynchronous UART Serial Interface Timing Diagram UART Time for Modem Receive Path (8N1 Mode)UART Timing for

Si2457/Si2434/Si2415Rev. 0.91 9Figure 3. Parallel Interface Read TimingFigure 4. Parallel Interface Write TimingtCSHtCSStAStAHADDRESS = 0 or 1tRLtRCtR