USB97C102 datasheet(1/80 Pages) SMSC

部件名	USB97C102

功能描述	Multi-Endpoint USB Peripheral Controller with Integrated 5 Port HUB

PDF	80 Pages

Scroll/Zoom	100%

制造商	SMSC [SMSC Corporation]

网页	http://www.smsc.com

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1 / 80 page

SMSC DS – USB97C102

Rev. 03/23/2000

USB97C102

Multi-Endpoint USB Peripheral Controller with

Integrated 5 Port HUB

FEATURES

!" High Performance USB Peripheral Controller

Engine

-

Integrated USB Transceiver

-

Serial Interface Engine (SIE)

-

8051 Microcontroller (MCU)

-

Patented Memory Management Unit (MMU)

-

4 Channel 8237 DMA Controller (ISADMA)

-

4K Byte On Board USB Packet Buffer

-

Quasi-ISA Peripheral Interface

-

USB Bus Snooping Capabilities

-

GPIOs

!" Pin Compatible with SMSC USB97C100

!" Complete USB Specification 1.1 Compatibility

-

Isochronous, Bulk, Interrupt, and Control Data

Independently Configurable per Endpoint

-

Dynamic Hardware Allocation of -Packet

Buffer for Virtual Endpoints

-

Multiple Virtual Endpoints (up to 16 TX, 16 RX

Simultaneously)

-

Multiple Alternate Address Filters

-

Dynamic Endpoint Buffer Length Allocation (0-

1280 Byte Packets)

!" USB Full (12Mbps) and Low Speed Capability

!" MMU and SRAM Buffer Allow Buffer Optimization

and Maximum Utilization of USB Bandwidth

-

128 Byte Page Size

-

10 Pages Maximum per Packet

-

32 Deep Receive Packet Queue

-

Up to 5 Deep Transmit Packet Queue, per

Endpoint

-

Hardware Generated Packet Header Records

Each Packet Status Automatically

-

Simultaneous Arbitration Between MCU, SIE,

and ISA DMA Accesses

!" Extended Power Management

-

Standard 8051 "Stop Clock" Modes

-

Additional USB and ISA Suspend Resume

Events

-

Internal 8MHz Ring Oscillator for Immediate

Low Power Code Execution

-

24, 16, 12, 8, 4, and 2 MHz PLL Taps For on

the Fly MCU and DMA Clock Switching

-

Independent Clock/Power Management for

SIE, MMU, DMA and MCU

!" DMA Capability with ISA Memory

-

Four Independent Channels

-

Transfer Between Internal and External

Memory

-

Transfer Between I/O and Internal Memory

-

External Bus Master Capable

!" Scatter Gather DMA

-

Four Independent Channels

-

Up to 16 Transfers can be Programmed to

Occur Consecutively Without MCU

InterventionExternal MCU Memory Interface

-

1M Byte Code and Data Storage via 16K

Windows

-

Flash, SRAM, or EPROM

-

Downloadable via USB, Serial Port, or ISA

Peripheral

!" Quasi-ISA Interface Allows Interface to New and

"Legacy" Peripheral Devices

-

1M ISA Memory Space via 4K MCU Window

-

64K ISA I/O Space via 256 Byte MCU Window

-

4 External Interrupt Inputs

-

4 DMA Channels

-

Variable Cycle Timing

-

8 Bit Data Path

!" 3.3 Volt, Low Power Operation

!" 5 Volt Tolerant Operation on I/O Signal Pins

!" On Board Crystal Driver Circuit

!" 128 Pin QFP Package

GENERAL DESCRIPTION

The USB97C102 is a flexible, general purpose USB peripheral interface and controller ideally suited for multiple

endpoint applications. The USB97C102 provides an ISA-like bus interface, which will allow virtually any PC peripheral

to be placed at the end of a USB connection. Its unique dynamic buffer architecture overcomes the throughput

disadvantages of existing fixed FIFO buffer schemes allowing maximum utilization of the USB connection’s overall

bandwidth. This architecture minimizes the integrated microcontroller’s participation in the USB data flow, allowing

back-to-back packet transfers to block oriented devices. The efficiency of this architecture allows floppy drives to

coexist with other peripherals such as serial and parallel ports on a single USB link.

类似零件编号 - USB97C102

制造商	部件名	数据表	功能描述
SMSC Corporation	USB97C100	434Kb / 64P	Multi-Endpoint USB Peripheral Controller
SMSC Corporation	USB97C100QFP	434Kb / 64P	Multi-Endpoint USB Peripheral Controller

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