Nec Network Controller uPD98502 Bedienungsanleitung PDF herunterladen (Seite 31)

100

101

CHAPTER 1 INTRODUCTION

Preliminary User’s Manual S15543EJ1V0UM

1.5.6 USB controller

USB Controller provides Full Speed Function device function defined in Universal Serial Bus.

Features of USB Controller are as follows;

• Compliant to Universal Serial Bus Specification Rev. 1.1

• Supports Device class function by software running on V

4120A

• Performs 12 Mbps Full Speed USB function device (Hub function will be not supported)

• Can handle Suspend, Resume and Wake-up management signaling

• Supports Remote Wake-up.

• Implements 7 kinds of endpoints (Control, Interrupt IN/OUT, Isochronous IN/OUT, Bulk IN/OUT)

• Implements 64 Bytes FIFO buffer used for Control transfer for Tx

• Implements 128 Bytes FIFO buffer used for Isochronous transfer for Tx

• Implements 128 Bytes FIFO buffer used for Bulk transfer for Tx

• Implements 64 Bytes FIFO buffer used for Interrupt transfer for Tx

• Implements 128 Bytes shared FIFO buffer used for Control/Isochronous/Bulk/Interrupt transfer for Rx

• Implements local DMAC (DMA controller) block

• Can directly connect USB connector through USB dedicated I/O buffer

Figure 1-8. Block Diagram of USB Controller

SIE EPC

IBUS

D+

D-

USB

BUS I/F

Rx FIFO

Master

I/F

Slave

I/F

I/O

Buf

slave

decoder

Tx FIFO

DMAC

MCONT

USB CONTROLLER

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 594 595

Kommentare zu diesen Handbüchern

Keine Kommentare

Nec Network Controller uPD98502 Bedienungsanleitung Seite 31

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Hardware Nec Network Controller uPD98502