LSD20463 データシートの表示（PDF） - Conexant Systems

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LSD20463

SmartHCF™ Mobile Modem

Conexant Systems 

SmartHCF Mobile Modem Designer’s Guide

1.2 FEATURES

1.2.1 General Modem Features

• V.90 data modem with receive rates up to 56k bps and send rates up to V.34 rates

− ITU-T V.90, K56flex, V.34 (33.6 kbps), V.32 bis, V.32, V.22 bis, V.22, V.23, and V.21; Bell 212A and 103

− V.42 LAPM and MNP 2-4 error correction

− V.42 bis and MNP 5 data compression

− V.250 (ex V.25 ter) and V.251 (ex V.25 ter Annex A) commands

• V.17 fax modem with send and receive rates up to 14.4 kbps

− V.17, V.29, V.27 ter, and V.21 ch 2

− EIA/TIA 578 Class 1 and T.31 Class 1.0 commands

• Telephony/TAM

− V.253 commands

− 8-bit µ-Law/A-Law coding (G.711)

− 8-bit/16-bit linear coding

− 8 kHz sample rate

− Concurrent DTMF, ring, and Caller ID detection

• V.80 synchronous access mode supports host-controlled communication protocols with H.324 interface support

• V.8/V.8bis and V.251 (ex V.25 ter Annex A) commands

• Data/Fax/Voice call discrimination

• Full-duplex Speakerphone (FDSP) Mode (S models)

− Microphone and speaker interface

− Telephone handset/headset interface

• Hardware-based digital signal processing

• Single configuration profile stored in host

• Operates in US/Japan/Canada

• World-wide operation (W models)

− Complies to TBR21 and other country requirements

− Caller ID detection

• System compatibilities

− Windows 95, Windows 95 OSR2, Windows 98, Windows NT 4.0, Windows 2000 operating systems

− Microsoft's PC 98 and PC 99 Design Initiative compliant

− Advanced Configuration and Power Interface (ACPI)

− Unimodem/V compliant

− Pentium 133 MHz compatible PC or greater

− 16 Mbyte RAM or more

• Thin packages support low profile designs

− HSD (P9573): 100-pin TQFP (1.2 mm max. height)

− LSD (20463): 32-pin TQFP (1.6 mm max. height)

− VC (20437): 32-pin TQFP (1.6 mm max. height)

• +3.3V operation with +5V tolerant digital inputs

1.2.2 PCI Bus Host Interface Features

• 32-bit PCI Bus host interface

− Meets PCI Local Bus Specification Rev. 2.2

− PCI Bus Mastering interface

− 33 MHz PCI clock support

• Supports Power Management

− Meets PCI Bus Power Management Spec. Rev. 1.1

− ACPI Power Management Registers

− APM support

− PME# support

− Vaux/Vpci power switching support

− VauxDET support

1-4

Conexant

100475A

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