ES1992 ESS Technology, Inc., ES1992 Datasheet - Page 4

• Manufacturer Part Number: ES1992
• Manufacturer: ESS Technology, Inc.

Table 1 ES1992 Pin Descriptions (Continued)
ESS Technology, Inc.
48401 Fremont Blvd.
Fremont, CA 94538
Tel: [phone]
Fax: [phone]
4
Names
SCLK2
GPIO10
SDO2
GPIO11
PCGNT
GPIO12
LINE_OUT_R-L
LINE_OUT_R-R
PC_BEEP
PHONE
CD_L
CD_GND
CD_R
MIC
LINE_IN_L
LINE_IN_R
AVDD[2:1]
AVSS[2:1]
VREF
AFILT[2:1]
CAP[2:1]
LINE_OUT_L
LINE_OUT_R
MONO_OUT
RXD
TXD
RST#
INT#
PCICLK
GNT#
REQ#
Part Number
ES1992S
© 2001 ESS Technology, Inc.
Pin Numbers
Description
PCI Audio Accelerator
72, 83
73, 82
75, 76
77, 78
59
60
61
62
63
64
65
66
67
68
69
70
71
74
79
80
81
84
85
86
87
88
91
92
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Serial clock for AC-link interface. Select external codec by enabling Canyon_Base+38h [5].
General-purpose input/output.
External AC-link serial data output. Select external codec by enabling Canyon_Base+38h [5].
General-purpose input/output.
PC/PCI grant input. Enable PC/PCI by setting PCI 50h [10:8].
General-purpose input/output.
Line output: surround, left channel.
Line output: surround, right channel.
PC Speaker input.
Mono input.
CD-audio input: left channel.
CD-audio input: ground.
CD-audio input: right channel.
Microphone input.
Line input: left channel.
Line input: right channel.
Analog supply voltage, 5V.
Analog ground.
Reference voltage.
Anti-aliasing filter cap for the ADC channel.
ADC and DAC reference caps.
Line output: front, left channel.
Line output: front, right channel.
Mono output.
MIDI receive data input. Enable MIDI I/O (MPU-401 I/O) by setting PCI 40h [3].
MIDI transmit data output. Enable MIDI I/O (MPU-401 I/O) by setting PCI 40h [3].
PCI reset input.
Interrupt request output.
PCI bus clock input.
Bus master grant input.
Bus master request output.
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.
Package
100-pin LQFP
Descriptions
ESS Technology, Inc. assumes no responsibility for any
errors contained herein.
U.S. patent pending.
Canyon3D is a trademark of ESS Technology, Inc.
All other trademarks are owned by their respective
holders and are used for identification purposes only.
ES1992 PRODUCT BRIEF
SAM0355-061201