4

© 2001 ESS Technology, Inc.

SAM0354-060801

ES1990 PRODUCT BRIEF

ORDERING INFORMATION

No part of this publication may be reproduced, stored in a

retrieval system, transmitted, or translated in any form or

by any means, electronic, mechanical, manual, optical, or

otherwise, without the prior written permission of ESS

Technology, Inc.

ESS Technology, Inc. makes no representations or

warranties regarding the content of this document.

All specifications are subject to change without prior

notice.

ESS Technology, Inc. assumes no responsibility for any

errors contained herein.

U.S. patents pending.

Canyon3D is a registered trademark of ESS Technology,

Inc.

All other trademarks are owned by their respective

holders and are used for identification purposes only.

ESS Technology, Inc.

48401 Fremont Blvd.

Fremont, CA 94538

Tel: (510) 492-1088

Fax: (510) 492-1898

ORDERING INFORMATION

SDO2

60

O

External AC-link serial data output. Select external codec by enabling Canyon3D_Base+38h [5].

GPIO11

I/O

General-purpose input/output.

PCGNT

61

I

PC/PCI grant input. Enable PC/PCI by setting PCI 50h [10:8].

GPIO12

I/O

General-purpose input/output.

LINE_OUT_R-L

62

O

Line output: surround, left channel.

LINE_OUT_R-R

63

O

Line output: surround, right channel.

PC_BEEP

64

I

PC speaker input.

PHONE

65

I

Mono input.

CD_L

66

I

CD-audio input: left channel.

CD_GND

67

I

CD-audio input: ground.

CD_R

68

I

CD-audio input: right channel.

MIC

69

I

Microphone input.

LINE_IN_L

70

I

Line input: left channel.

LINE_IN_R

71

I

Line input: right channel.

AVDD[2:1]

72:83

I

Analog supply voltage, 5V.

AVSS[2:1]

73:82

I

Analog ground.

VREF

74

O

Reference voltage.

AFILT[2:1]

75:76

O

Antialiasing filter cap for the ADC channel.

CAP[2:1]

77:78

O

ADC and DAC reference caps.

LINE_OUT_L

79

O

Line output: front, left channel.

LINE_OUT_R

80

O

Line output: front, right channel.

MONO_OUT

81

O

Mono output.

RXD

84

I

MIDI receive data input. Enable MIDI I/O (MPU-401 I/O) by setting PCI 40h [3].

TXD

85

O

MIDI transmit data output. Enable MIDI I/O (MPU-401 I/O) by setting PCI 40h [3].

RST#

86

I

PCI reset input.

INT#

87

O

Interrupt request output.

PCICLK

88

I

PCI bus clock input.

GNT#

91

I

Bus master grant input.

REQ#

92

O

Bus master request output.

Table 1

ES1990 Canyon3D-2LE Pin Descriptions (Continued)

Names

Pin Numbers

I/O

Descriptions

Part Number

Description

Package

ES1990S

PCI Audio Accelerator

100-pin LQFP