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
Conexant Proprietary Information