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OVERVIEW
The Conexant™ SmartHCF Host-Controlled, V.90/K56flex Modem Device Family with SmartDAA technology supports analog data up to 56 kbps, analog fax to 14.4 kbps, telephone answering machine (TAM), voice/speakerphone (optional), and PCI Bus/MiniPCI/CardBus host interface operation. These modem devices meet the size and power requirements of the mobile environment. The modem operates with PSTN telephone lines in the U.S./Japan/Canada and optionally world-wide. Modem software is provided. Table 1-1 lists the available models.
Conexants SmartDAA technology (patent pending) eliminates the need for a costly line transformer, relays, and optoisolators typically used in discrete DAA (Data Access Arrangement) implementations. The SmartDAA architecture also simplifies product implementation by eliminating the need for country-specific board configurations enabling world-wide homologation of a single modem board design.FEATURES
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
− Microsofts 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 inputsApplications
• Laptop, notebook, and handheld computers
• PCI Bus/Mini-PCI embedded system boards
• PCI Bus/Mini-PCI/CardBus plug-in cards -
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Datasheet
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Shopping guide
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- Last Updated: 2024/06/03 05:54 +0800
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