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參數(shù)資料
| 型號(hào)： | OZ992S |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Intelligent Manager Smart ACPI GPIO/SCI |
| 中文描述： | 智能管理智能支持ACPI的GPIO /脊髓損傷 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 37K |
| 代理商： | OZ992S |
OZ992
7/13/00
Copyright 1998 by O
2
Micro
OZ992-SF-1.7
All Rights Reserved
Page 1
Intelligent Manager
Smart ACPI GPIO/SCI
FEATURES
SMBus, version 1.0, Compliance
Master mode function to interface with ACPI
compliant embedded controller
Support Pentium and x86-based designs
Supported by default embedded controller
firmware
Accept up to 16 SCI inputs
Programmable level or edge (falling and rising
edge) triggered SCI inputs
20
possible
edge-sensitive
General Purpose Inputs/Outputs per device
Programmable addresses for cascading OZ992s
32KHz operating frequency
Supports 3.3v or 5v supply
LOW-power hardware-driven speaker alarm
output
Software programming kit available
SMBALERT# and SMIEVENT outputs
8 programmable interrupt inputs for SMI event or
SMBALERT#
8 Auto LED Flash(ALF) programmable outputs
with 10% or 50% duty cycles
ORDERING INFORMATION
OZ992S
- 28 pin SSOP
programmable
GENERAL DESCRIPTION
O
2
Micro’s OZ992 Smart ACPI/SCI (System Control
Interrupt) General Purpose Input/Output unit allows
OEMs to transform their legacy systems to ACPI
compliant systems by supporting up to 16 extra SCI
inputs. Regular core logic chipsets, such as the Intel
430TX/BX and ACPI compliant embedded controllers
have limited allowance for the GPIO or SCI input
signals for the system. The OZ992 provides a bridge
between the chipsets and the rest of the system to
allow system designers a cost-effective way to
improvise for such a deficiency.
OZ992 provides up to 20 GPIO signals in regular
SMB slave mode. In addition, the OZ992 allows up to
16 System Control Interrupt (SCI) input transitions to
be written to the system’s embedded controller in
master mode. The OZ992 provides the perfect
solution for leading notebook vendors to stay ahead
of the competition.
The OZ992 is an SMBus 1.0 compliant ACPI GPIO
with
16 Programmable General Purpose I/Os pins
flexible for a variety of functions such as
programmable inputs/outputs, SMB/SMI interrupt
service, power-saving, modularized hardware ID, and
Auto LED Flash (ALF) status display. OZ992’s other
features include hardware-driven speaker alarm
output.
As a Pentium and x86-based system compatible
device, the OZ992 Smart ACPI GPIO is a highly cost-
effective and practical solution for today’s notebook
and palmtop computers, pen-based data systems,
personal digital assistants, and portable data-
collection terminals.
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