NET2890 datasheet(9/73 Pages) ETC

9 / 73 page

Specification

NET2890 USB Interface Controller

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NetChip Technology, Inc., 1999

335 Pioneer Way, Mountain View, California 94041

TEL (650) 526-1490

FAX (650) 526-1494

http://www.netchip.com

Rev 2.0, Draft 9, July 16, 1999

1.3 NET2890 Block Diagram

Serial Interface

Engine

Output

Buffer

Configuration

Registers

SIE_RX_DATA[7:0]

SIE_TX_DATA[7:0]

RX_CTL_DATA[7:0]

FIFO_RD_DATA[7:0]

CFG_RD_DATA[7:0]

LDIN[7:0]

LDOUT[7:0]

LD[7:0]

USB

Setup

Registers

Input Buffer

SETUP_DATA[7:0]

Control

Endpoint 0

FIFO

Endpoint

A FIFO

Endpoint

B FIFO

Endpoint

C FIFO

Endpoint

D FIFO

FIFO_WR_DATA[7:0]

SIE_TX_DATA[7:0]

RX_EP_DATA[7:0]

LDIN[7:0]

1.4 NET2890 Typical System Block Diagram

NET2890

USB Interface

Controller

USB

Connector

USB Cable

Device Controller

CPU

ROM

RAM

Local Bus

Device Electronics and Mechanics

(Printer, Scanner, Modem, etc.)

USB Signals

NET2890 Datasheet(PDF) 9 Page - List of Unclassifed Manufacturers

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