ES1988S ETC, ES1988S Datasheet

ES1988S

Manufacturer Part Number

ES1988S

Description

PCI Audio-modem Accelerator Product Brief

Manufacturer

ETC

Datasheet

1.ES1988S.pdf (6 pages)

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ESS Technology, Inc.

DESCRIPTION

The ES1988 Allegro

advanced audio and modem functionality in a highly integrated

PCI solution. Utilizing one PCI load, the ES1988 provides a two-

chip audio-modem solution with digital interface capability to an

AC‘97 codec in the dock (a.k.a. digital docking). The ES1988 is

designed to provide a low-cost, high-performance solution for

notebook PC applications.

The high-bandwidth PCI bus and an integrated high-fidelity

codec are utilized to deliver advanced PC audio features, such

as DirectSound

The

DirectSound3D acceleration with digital mixing, sample rate

conversion, and HRTF 3D filtering for two-speaker 3D positional

audio.

The programmable audio signal processor provides support for

multiple audio streams. With its built-in DSP core, the ES1988

uses its dedicated direct memory access (DMA) engine to handle

complex signal processing tasks with a bus-mastering PCI

interface. The support functions ensure efficient transfer of audio

data streams to and from system memory buffers, providing a

system solution with maximum performance and minimal host

CPU loading. The architecture enables implementation of

communications over the Internet from multiple sources.

The ES1988 maintains full DOS legacy audio compatibility over

the standard PCI 2.1 and PCI 2.2 bus. Full DOS game

compatibility is ensured through either PC/PCI, distributed DMA

(DDMA), or transparent DMA (TDMA).

The ES1988 includes an HSP modem interface via its secondary

AC-Link connecting with the ES2828 MC‘97 codec. The MC‘97

is used as the analog front end for the modem and DAA control.

The V.90 modem runs on the host while the ES1988 serves as

the bidirectional buffer for data transmission and reception. The

modem functions include the standard AT command set, V.42bis

and Group 3 fax.

The ES1988 provides a high-quality docking solution through

proven AC-link-based digital docking. This is accomplished by

using only a five-wire digital connection. The secondary AC‘97

link (extension 2.1 compliant) of the ES1988 interfaces to a

secondary AC‘97 codec in the dock to provide high-quality audio

in the dock.

The ES1988, which operates at 3.3V digitally and 5.0V in analog,

is compliant with the Advanced Power Management (APM) 1.2,

Advanced Configuration and Power Interface (ACPI) 1.0, and

PCI Power Management Interface (PPMI) 1.0. The ES1988

supports D0, D1, D2, and D3 (hot and cold) power-saving modes

for power efficiency when the audio system is both active and

idle. CLKRUN# support is also available.

The ES1988 is available in an industry-standard 100-pin low-

profile quad flat pack (LQFP) package.

ESS Technology, Inc.

ES1988

implements

acceleration and HRTF 3D positional audio.

PCI audio-modem accelerator combines

multistream

DirectSound

and

AUDIO FEATURES

MODEM FEATURES

POWER MANAGEMENT

COMPATIBILITY

•

PCI Audio-Modem Accelerator

High-performance single-chip PCI audio acceleration

Integrated high-fidelity AC‘97 codec

Multistream DirectSound and DirectSound 3D acceleration

Sensaura CRL positional 3D

High-quality sample rate conversion and digital mixing

Direct music support

Realtime effects processing

S/PDIF output for PCM or AC-3 content

Full legacy DOS game support, using TDMA, PC/PCI, or DDMA

hardware implementation methods

Supports one additional PCI bus master devices

HSP modem interface via MC‘97 link

Digital docking via secondary AC-Link

Data mode capabilities:

Fax mode capabilities:

Supports wake-on-ring from D3

Compliance with APM 1.2, ACPI 1.0, and PPMI 1.1

Compliance with Intel’s Mobile Power Guidelines ‘99

3.3V digital operation with 5V-tolerant inputs

5.0V analog operation

Supports PC DOS games and applications for Sound Blaster

and SoundBlaster Pro

Meets PC99 /PC2001and WHQL specifications

Compliant with Intel’s audio-modem riser card and mini-PCI

specifications

—–

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 with 5V-tolerant inputs

ITU-T V.17, V.21 ch2, V.27ter, V.29

Group 3 (TIA/EIA 578 Class 1 and Class 2)

ES1988 Allegro

SAM0368-030601

hot

Product Brief

and D3

cold

states

Related parts for ES1988S

ES1988S Summary of contents

Page 1

ESS Technology, Inc. DESCRIPTION The ES1988 Allegro PCI audio-modem accelerator combines advanced audio and modem functionality in a highly integrated PCI solution. Utilizing one PCI load, the ES1988 provides a two- chip audio-modem solution with digital interface capability to an ...

Page 2

... 100 SAM0368-030601 ES1988S 100-Pin LQFP Figure 1 ES1988 Allegro Pinout Diagram ES1988 PRODUCT BRIEF ...

Page 3

ES1988 PRODUCT BRIEF PIN DESCRIPTION Table 1 lists the ES1988 pin descriptions . Table 1 ES1988 Pin Descriptions Names Pin Numbers C/BE[3:0]# 1, 13, 20, 30 IDSEL R0# SPDIFO 2 PCREQ# GND 3, 21, 40, 89 AD[31:0] 4:11, 22:29, 31:38, ...

Page 4

Table 1 ES1988 Pin Descriptions (Continued) Names Pin Numbers GD[3] ECLK 45 VOLDN# GD[4] 46 GD[5:7] 47:49 GPIO[13:15] I2SCLK SIRQ# 50 GPIO4 I2SLR GTO# 51 GSO GPIO5 I2SDATA R0# 52 GPIO6 MC_97DI PCREQ# 53 VOLUP# GPIO7 PME# SPDIFO PCGNT# 54 ...

Page 5

ES1988 PRODUCT BRIEF Table 1 ES1988 Pin Descriptions (Continued) Names Pin Numbers SDI2 56 GPIO8 OSCI 57 OSCO 58 SRESET2# 59 GPIO3 SDFS2 GPIO9 60 (note) SCLK2 61 GPIO10 SDO2 GPIO11 62 VAUXD PCGNT# GT0# 63 GS0 GPIO12 PC_BEEP 64 ...

Page 6

... RST# 86 INT# 87 PCICLK 88 GNT# 91 REQ# 92 ORDERING INFORMATION Part Number Description ES1988S PCI Audio-Modem Accelerator ESS Technology, Inc. 48401 Fremont Blvd. Fremont, CA 94538 Tel: (510) 492-1088 Fax: (510) 492-1898 6 I/O O Anti-aliasing filter cap for the ADC channel. O ADC and DAC reference caps. ...

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