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USS312TB-DB: 产品描述USB Bus Controller, CMOS, PQFP100, TQFP-100; 产品类别嵌入式处理器和控制器微控制器和处理器; 文件大小622KB，共40页; 制造商LSC/CSI; 官网地址https://lsicsi.com

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USS312TB-DB概述

USB Bus Controller, CMOS, PQFP100, TQFP-100

USS312TB-DB规格参数

参数名称	属性值
零件包装代码	QFP
包装说明	,
针数	100
Reach Compliance Code	unknown
ECCN代码	3A991.A.2
地址总线宽度	32
总线兼容性	PCI
最大时钟频率	33.33 MHz
最大数据传输速率	1.50375 MBps
外部数据总线宽度	32
JESD-30 代码	S-PQFP-G100
端子数量	100
最高工作温度	70 °C
最低工作温度
封装主体材料	PLASTIC/EPOXY
封装形状	SQUARE
封装形式	FLATPACK
认证状态	Not Qualified
最大供电电压	3.6 V
最小供电电压	3 V
标称供电电压	3.3 V
表面贴装	YES
技术	CMOS
温度等级	COMMERCIAL
端子形式	GULL WING
端子位置	QUAD
uPs/uCs/外围集成电路类型	BUS CONTROLLER, UNIVERSAL SERIAL BUS
Base Number Matches	1

文档解析

USS-312主机控制器提供先进的电源管理功能，作为PCI至USB的接口解决方案，它符合PCI总线电源管理接口规范1.1。该设备集成了双USB端口和PCI接口，工作于3.3V电压，采用32位33 MHz PCI总线设计，支持VIO引脚配置的3V或5V信号切换，适用于节能型计算系统。其核心优势在于低功耗运行和灵活的状态转换能力。电源管理特性包括多种状态支持：D0为全功能状态，D1和D2维持部分功能并降低功耗，D3hot实现深度睡眠，同时保留异步USB唤醒逻辑。在D2和D3hot状态下，内部CLK48时钟可被门控关闭，USB收发器停用，仅保留PME事件检测能力。PMEN信号通过开漏输出实现线或连接，支持连接状态变化或上游恢复事件触发唤醒。技术细节上，设备在D0状态功耗约260mW（报告值26h，数据缩放01b），D2状态为102mW（66h，11b），并通过Data_Select寄存器提供功耗数据报告。应用场景包括移动设备和便携系统，其中电源效率至关重要。USS-312兼容USB 1.1和OpenHCI 1.0a，支持所有传输类型和传统外设。封装为100-pin MQFP/TQFP，评估套件辅助电源管理测试。该设计确保系统在保持USB连接性的同时，优化能源使用。USS-312主机控制器强化了对传统键盘和鼠标设备的支持，符合OpenHCI规范1.0a的遗留外设特性。作为双端口PCI至USB解决方案，它基于32位33 MHz PCI接口，兼容PCI 2.1s，并支持3V或5V信号环境配置。设备集成了USB收发器，简化了系统设计，适用于需要向后兼容旧外设的计算机平台。关键技术包括专用遗留支持寄存器（如HceInput、HceOutput和HceStatus），实现I/O端口60h和64h的模拟功能。这些寄存器允许软件处理键盘和鼠标中断（IRQ1和IRQ12），支持A20门控序列和状态监控。例如，HceControl寄存器使能仿真中断，而HceStatus报告输出满或输入满状态。同时，设备提供两个USB下游端口，兼容USB 1.1全速/低速模式，并集成双速收发器。OpenHCI架构优化了传输效率，减少CPU负载。电源管理符合PCI PM Spec 1.1，支持多种省电模式。应用方面，USS-312无缝集成到PC和工业控制系统中，支持所有USB设备，同时确保传统输入设备的兼容性。完全兼容Microsoft Windows OpenHCD驱动，封装选项为100-pin MQFP和TQFP。评估套件便于开发人员测试遗留功能，加速产品部署。

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Advance Data Sheet, Rev. 4

August 1999

USS-312

Two-Port PCI-to-USB OpenHCI Host Controller

Features

Description

Lucent Technologies Microelectronics Group’s USS-

312 provides a single-chip PCI-to-Universal Serial

Bus (USB) solution. The USS-312 interfaces directly

to any 32-bit 33 MHz PCI bus and is ideal for either

onboard applications or add-in card applications. It

can easily be conﬁgured to communicate in either a

3 V PCI environment or 5 V PCI environment simply

by selecting the appropriate communications voltage

level on the VIO input pin.

The USS-312 provides two downstream USB ports

for connectivity with any USB compliant device or

hub. Full-speed or low-speed peripherals are

supported along with all of the USB transfer types:

control, interrupt, bulk, or isochronous. The USS-

312’s OpenHCI compliance offers signiﬁcant USB

performance beneﬁts and reduced CPU overhead

compared to other host controllers.

The USS-312 is fully compatible with the

Microsoft

Windows

Standard OpenHCD Drivers.

The USS-312 is a 3.3 V device fabricated in 0.35

µm

technology. Integrated dual-speed USB transceivers

enable a single-chip PCI-to-USB solution.

The USS-312 supports the legacy peripherals

feature, as deﬁned in the

OpenHCI Speciﬁcation

Release 1.0a.

An advanced power management capabilities inter-

face compliant with

PCI Bus Power Management

Interface Speciﬁcation Revision 1.1

is present to offer

a variety of power savings modes to the host system.

32-bit, 33 MHz PCI interface compliant with

PCI

Local Bus Speciﬁcation Revision 2.1s

Two downstream USB ports

Full compliance with

Universal Serial Bus Speciﬁ-

cation Revision 1.1

OpenHCI Open Host Controller Interface Speciﬁ-

cation for USB Release 1.0a

compatible

Provides advanced power management capabili-

ties compliant with

PCI Bus Power Management

Interface Speciﬁcation Revision 1.1

Fully compatible with

Microsoft Windows*

Stan-

dard OpenHCD Drivers

Supports legacy keyboard and mouse devices

Integrated dual-speed USB transceivers

3 V or 5 V switchable PCI signaling

Part of Lucent USB

Silicon Suite

technology fam-

ily

100-pin MQFP and 100-pin TQFP

Evaluation kit available

Applications

Seamless integration with 3 V or 5 V PCI-based

computer products

Supports all USB compliant devices and hubs

Microsoft

and

Windows

are registered trademarks of Microsoft

Corporation.

USS-312

Two-Port PCI-to-USB OpenHCI Host Controller

Advance Data Sheet, Rev. 4

August 1999

Table of Contents

Contents

Page

Features ...................................................................................................................................................................1

Applications ............................................................................................................................................................. 1

Description ............................................................................................................................................................... 1

Applicable Documents and Specifications ............................................................................................................... 3

Pin Information ........................................................................................................................................................ 4

Register Overview ................................................................................................................................................. 10

PCI Registers ........................................................................................................................................................ 11

USB Registers ....................................................................................................................................................... 15

Legacy Support Registers ..................................................................................................................................... 22

HceInput Register............................................................................................................................................22

HceOutput Register .........................................................................................................................................23

HceStatus Register..........................................................................................................................................23

HceControl Register ........................................................................................................................................24

PCI Connection Instructions .................................................................................................................................. 25

USB Connection Instructions ................................................................................................................................. 25

Power Connection Recommendations .................................................................................................................. 25

Power Management Interface ............................................................................................................................... 26

Conﬁguration Space Offset 50h ......................................................................................................................27

Conﬁguration Space Offset 51h ......................................................................................................................27

Conﬁguration Space Offset 52h ......................................................................................................................28

Conﬁguration Space Offset 54h ......................................................................................................................29

Conﬁguration Space Offset 56h ......................................................................................................................29

Conﬁguration Space Offset 57h ......................................................................................................................30

Power Consumption/Dissipation Reporting .....................................................................................................30

NAND Tree Mode ...................................................................................................................................................31

Absolute Maximum Ratings ................................................................................................................................... 33

Electrical Characteristics ....................................................................................................................................... 33

PCI Electrical Characteristics ..........................................................................................................................33

PCI Timing Speciﬁcations ...................................................................................................................... 33

PCI Timing Parameters .......................................................................................................................... 34

USB Electrical Characteristics.........................................................................................................................36

Physical Markings .................................................................................................................................................. 37

Outline Diagrams ................................................................................................................................................... 38

100-Pin MQFP.................................................................................................................................................38

100-Pin TQFP..................................................................................................................................................39

Ordering Information .............................................................................................................................................. 39

Lucent Technologies Inc.

USS312TB-DB相似产品对比

	USS312TB-DB	USS312B-DB
描述	USB Bus Controller, CMOS, PQFP100, TQFP-100	USB Bus Controller, CMOS, PQFP100, MQFP-100
零件包装代码	QFP	QFP
针数	100	100
Reach Compliance Code	unknown	unknown
ECCN代码	3A991.A.2	3A991.A.2
地址总线宽度	32	32
总线兼容性	PCI	PCI
最大时钟频率	33.33 MHz	33.33 MHz
最大数据传输速率	1.50375 MBps	1.50375 MBps
外部数据总线宽度	32	32
JESD-30 代码	S-PQFP-G100	R-PQFP-G100
端子数量	100	100
最高工作温度	70 °C	70 °C
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY
封装形状	SQUARE	RECTANGULAR
封装形式	FLATPACK	FLATPACK
认证状态	Not Qualified	Not Qualified
最大供电电压	3.6 V	3.6 V
最小供电电压	3 V	3 V
标称供电电压	3.3 V	3.3 V
表面贴装	YES	YES
技术	CMOS	CMOS
温度等级	COMMERCIAL	COMMERCIAL
端子形式	GULL WING	GULL WING
端子位置	QUAD	QUAD
uPs/uCs/外围集成电路类型	BUS CONTROLLER, UNIVERSAL SERIAL BUS	BUS CONTROLLER, UNIVERSAL SERIAL BUS
Base Number Matches	1	1

USS312TB-DB

USS312TB-DB概述

USS312TB-DB规格参数

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