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SI2400 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 76 page Rev. 0.95 4/00 Copyright © 2000 by Silicon Laboratories Si2400-DS095 Si2400 V. 2 2 BI S ISO MODEM ™ WI TH I NT EG RA TED G LOB A L DA A Features Applications Description The Si2400 ISOmodem™ is a complete modem chipset with integrated direct access arrangement (DAA) that provides a programmable line interface to meet global telephone line requirements. Available in two 16- pin small outline (SOIC) packages, it eliminates the need for a separate DSP data pump, modem controller, analog front end (AFE), isolation transformer, relays, opto-isolators, 2- to 4-wire hybrid, and voice codec. The Si2400 is ideal for embedded modem applications due to its small board space, low power consumption, and global compliance. Functional Block Diagram ! Data Modem Formats " 2400 bps: V.22bis " 1200 bps: V.22, V.23, Bell 212A " 300 bps: V.21, Bell 103 " V.25 Fast Connect and V.23 Reversing " SIA and other security protocols ! Caller ID Detection and Decode ! DTMF Tone Gen./Detection ! 3.3 V or 5.0 V Power ! UART with Flow Control ! Integrated DAA " Capacitive Isolation " Parallel Phone Detect " Globally Compliant Line Interface " Overcurrent Protection ! AT Command Set Support ! Integrated Voice Codec ! PCM Data Pass-Through Mode ! HDLC Framing in Hardware ! Call Progress Support ! Set Top Boxes ! Power Meters ! Security Systems ! ATM Terminals ! Medical Monitoring ! Point-of-Sale Hybrid Ring Detect Off-Hook TXD RXD RX QE2 DCT VREG2 FILT2 RNG1 RNG2 QB QE Control Interface REF and DC Termination FILT REXT REXT2 XTALO CTS CLKOUT XTALI AOUT RESET Si2400 Si3015 µ Controller (AT Decoder Call Progress) DSP (Data Pump) Audio Codec Clock Interface EOFR/GPIO1 AIN/GPIO2 ESC/GPIO3 ALERT/GPIO4 Patents pending Ordering Information See page 71. Pin Assignments 1 2 3 4 5 6 7 8 9 10 11 12 13 16 15 14 XTALI XTALO CLKOUT VD TXD RXD CTS RESET EOFR/GPIO1 AIN/GPIO2 ESC/GPIO3 ISOB GND C1A ALERT/GPIO4 AOUT 1 2 3 4 5 6 7 8 9 10 11 12 13 16 15 14 QE2 DCT IGND C1B RNG1 RNG2 QB QE FILT2 FILT RX REXT REXT2 REF VREG2 VREG Si2400 Si3015 |
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