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ES2828 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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ES2828 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
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1 / 6 page  ESS Technology, Inc. SAM0402-050301 1 ESS Technology, Inc. ES2898/ES2828 V.90 PCI DSP Modem Solution Product Brief DESCRIPTION The ESS Technology ES2898/ES2828 TeleDrive® chipset is a highly integrated solution that brings advanced modem functionality to notebooks, desktops, and add-in- cards. The ES2898/ES2828 chipset provides an efficient 56k (V.90) data/fax solution and adds both a telephone answering machine (TAM) feature and a full-duplex speakerphone feature. The data pump algorithms run on the ES2898 DSP, along with the echo cancellation required for implementing a full- duplex speakerphone feature. The host CPU is utilized to run the modem controller functions, including the standard AT command set, V.42bis data compression features, Classes 1 and 2 fax, and ITU-T V.80 sync access to support H.324 video conferencing applications. The ES2898 DSP offers an integrated PCI bus interface. The ES2828 is the companion analog-front-end (AFE) chip to the ES2898. It integrates a low-pass, continuous- time anti-aliasing filter, a 16-bit resolution ADC, a 16-bit DAC, a low-pass output-reconstruction filter, and a CHI bus interface to interface to the ES2898. The ES2828 includes two signal processing channels that operate synchronously so that data reception at the ADC channel and data transmission from the DAC channel occur during the same time interval. The ES2828 also incorporates an AC-Link to interface to core logic chipsets to provide a standalone MC‘97 host-based V.90/V.92 modem solution. The ES2898 DSP is available in an industry-standard 100- pin low-profile quad flat pack (LQFP) package. The ES2828 is available in an industry-standard 48-pin low- profile quad flat pack (LQFP) package. MODEM FEATURES • Data mode capabilities: —– V.90 56 kbps —– V.34 33.6 kbps and fallbacks —– Standard AT command set —– V.42 (LAPM) and MNP error correction —– V.42bis/MNP 5 data compression —– 3.3V power supply, 5V input tolerant • Fax mode capabilities: —– ITU-T V.17, V.21 ch2, V.27ter, and V.29 —– Group 3 (TIA/EIA 578 Class 1 and Class 2) • Telephony capabilities: —– Telephone answering machine —– Full duplex speakerphone —– Caller ID • Sigma-delta modulation codec • Programmable downsampling frequency for modem and voice applications • ACPI power management support • TIES escape sequence • V.80 (H.324 software stack compatible) • Fully ACPI-compliant • Microsoft Windows ™ 98/SE/ME/2000: —– UNIMODEM V —– TAPI • Microsoft Windows NT 4.0 SYSTEM BLOCK DIAGRAM Figure 1 Shows the ES2898/ES2828 system block diagram. Figure 1 ES2898/ES2828 System Block Diagram ES2898 TeleDrive ES2828 Modem AFE DAA 18.816 MHz PCI BUS INTERFACE 4 CHI BUS I/F |
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