Silicon Laboratories Si2493 User Manual

Rev. 0.6 2/05 Copyright © 2005 by Silicon Laboratories Si2493/57/34/15/04-EVBSi2493/57/34/15/04Global ISOmodem-EVBEvaluation Board for the Si2493/57/3

Si2493/57/34/15/04Global ISOmodem-EVB10 Rev. 0.6Figure 10 shows the actual circuit connection between the Si2493/57/34/15/04 and the Si3000.Figure 10.

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 11Table 4. Voice CommandsAT Commands PurposesAT:U71,11 Configure modem to send/receive data in linear mo

Si2493/57/34/15/04Global ISOmodem-EVB12 Rev. 0.62.2. Voice Mode ExamplePerform the following steps:1. Connect hardware as shown in Figure 8 on page 9

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 132.2.1. Audio OutputAudio output is provided from the Si2457/34/15 on theAOUT pin. This signal allows t

Si2493/57/34/15/04Global ISOmodem-EVB14 Rev. 0.6RXCLKDCDbESCAOUTRXDRESETbXTALIXTALOXTALIXTALORXDRTSbRESETbDCDbRXDTXCLKRTSbINTbESCRIbEESDAOUTCLKOUTCLKO

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 15C1AC2ARINGTIPR30, R31, R32, R33, C30 and C31are an optional CID populationNo Ground Plane In DAA Secti

Si2493/57/34/15/04Global ISOmodem-EVB16 Rev. 0.64. Bill of Materials: Si24xx Daughter CardValue Rating Tolerance Foot Print Dielectric Manufacturer N

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 17TXCLK_HRESETbDCD_HAOUT_HDCD_HEESD_H TXCLK_HRESETbRESETbEESD_HAOUT_HVD+3.3V+3.3VVCCVCCVD+3.3VUSBRS-232&

Si2493/57/34/15/04Global ISOmodem-EVB18 Rev. 0.6RESET_HRI_HDCD_HAOUT_HRINGTIPTXD_HCLKOUT_HINT_HEESD_HTXCLK_HRXCLK_HESC_HRXD_HCTS_HRTS_HEECS_H EECLK_HV

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 19V1V2USB_+5RESETVCCVD+3.3VUSB_VCCOPTIONAL"GND""GND"Standoffs in each corner of boar

Si2493/57/34/15/04Global ISOmodem-EVB2 Rev. 0.61. Si2493/57/34/15/04-EVB Setup and EvaluationThis section explains how to set up the Si2493/57/34/15/

Si2493/57/34/15/04Global ISOmodem-EVB20 Rev. 0.6RXD_TCTS_TDSR_TCD_TRI_TTXD_TRTS_TDTR_TRXD_RCTS_RCD_RRD_RDSR_RDTR_RRTS_RTXD_RVCCVCCC18+C151.0 uFC17+C12

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 21Figure 17. Audio Amplifier SchematicFigure 18. UART Mux SchematicSPEAKERAOUTVCCC21820 pFR347 kR43 k+C2

Si2493/57/34/15/04Global ISOmodem-EVB22 Rev. 0.6Figure 19. USB Interface SchematicTXD_URTS_RDTR_UUSB-USB+RXD_UCTS_UDSR_UCD_URI_UUSB_VCCU11GMS05F54123T

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 235. Bill of Materials: Si24xx MotherboardValue Rating Tolerance Foot Print Dielectric Manufacturer Nu

Si2493/57/34/15/04Global ISOmodem-EVB24 Rev. 0.6Figure 20. Daughter Card Component Side Silkscreen

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 25Figure 21. Daughter Card Solder Side Silkscreen

Si2493/57/34/15/04Global ISOmodem-EVB26 Rev. 0.6Figure 22. Daughter Card Component Side Layout

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 27Figure 23. Daughter Card Solder Side Layout

Si2493/57/34/15/04Global ISOmodem-EVB28 Rev. 0.6Figure 24. Motherboard Silkscreen

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 29Figure 25. Motherboard Silkscreen (Back Side)

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 3Figure 2. Standard Factory Jumper Settings—RS-232 Interface (Outlined in Gray) (FS Option)Figure 3. Sta

Si2493/57/34/15/04Global ISOmodem-EVB30 Rev. 0.6Figure 26. Motherboard Component Layout

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 31Figure 27. Motherboard Solder Side Layout

Si2493/57/34/15/04Global ISOmodem-EVB32 Rev. 0.6Figure 28. Motherboard Ground Plane Layout

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 33Figure 29. Motherboard Power Plane Layout

Si2493/57/34/15/04Global ISOmodem-EVB34 Rev. 0.66. Complete Design Package on CD (See Sales Representative for Details)Silicon Laboratories can provi

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 35DOCUMENT CHANGE LISTRevision 0.2 to Revision 0.3 Updated Figure 21, “Daughter Card Solder Side Silksc

Si2493/57/34/15/04Global ISOmodem-EVB36 Rev. 0.6CONTACT INFORMATIONSilicon Laboratories Inc.4635 Boston LaneAustin, TX 78735Tel: 1+(512) 416-8500Fax:

Si2493/57/34/15/04Global ISOmodem-EVB4 Rev. 0.6Figure 4. Standard Factory Jumper Settings—USB Interface (Outlined in Gray) (FS Option)1.4. Power Requ

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 5current, and respond with an “OK.” Next, type“ATH<cr>” or “ATH0<cr>”, and the modem should

Si2493/57/34/15/04Global ISOmodem-EVB6 Rev. 0.6Figure 13 on page 17 and Figure 15 on page 19 for thereset circuit schematic.2.1.3. DS1818The DS1818 is

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 72.1.10. PCM Interface (FT Only)The Si2493/57/34/15/04 PCM interface is available on JP4. Table 3 lists

Si2493/57/34/15/04Global ISOmodem-EVB8 Rev. 0.6Figure 6. Jumper Settings for Direct Access Interface (FT Option)Figure 7. Jumper Settings for Direct A

Si2493/57/34/15/04Global ISOmodem-EVBRev. 0.6 9The block diagram in Figure 8 shows how the two evaluation boards are connected to demonstrate voice mo