Chapter 3
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ANGKANA. Chapter 3. บัส และอินเทอร์เฟซ ( Bus & Interface ). ANGKANA. หัวข้อการเรียนรู้. โครงสร้างพื้นฐานของบัส การออกแบบบัส สถาปัตยกรรมของบัสแบบ Bridge มาตรฐานของบัส - PCI - SCSI - AGP - USB - FireWire. บทนำ.

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Chapter 3

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ANGKANA

Chapter 3

(Bus & Interface)


ANGKANA

  • Bridge

  • - PCI

    - SCSI

    - AGP

    - USB

    - FireWire


  • , (bus) (Mainboard) (Motherboard) () trace

  • (microchip) (slot) (adapter) (I/O bus)



  • (, ) (System bus)

  • (slave) (master)



  • 3

  • (address bus) 8 32

  • (data bus) 16 128

  • (control bus) 10


PowerPC 603




  • SCSI (Small Computer System Interface) American National Standards Institute (ANSI) ,

SCSI


  • 6

    • Split transaction


2 dedicated , , multiplexed

time multiplexing


time multiplexing

1.

2.

time multiplexing

1.

2.


dedicated

1.

2.

3.

dedicated

1.

2.

3.


(Centralized) (Distributed) (Controller) (Arbiter) (Access Control Logic)

() (master) (slave)


2 (Synchronous) (Asynchronous) 0 1

100



(, ) MSYN (master synchronization) SSYN (slave synchronization) MSYN SSYN




(Synchronous) (Real Time) (Feedback) Audio Conference, Video Conference Chat



(Asynchronous) Webboard e-mail


() ()


-- (read-modify-write)

(read-after-write)



Split transaction

(bus master)

Split transaction


Split transaction

***


Bridge


PCI

PCI (peripheral Component Interconnect)

PCI PCI 32 64 PCI


PCI

PCI


PCI

  • 2 33 66 5 PCI ( DMA) SCSI LAN card

  • 32 64 533 Burst Mode

  • PCI 2 +3.3 +5 RISC Alpha DEC


PCI

  • / multiplexed PCI

  • Plug&Play

  • Write Posting Read Perfecting

  • PCI


PCI


SCSI

SCSI (Small Computer System Interface)

SCSI daisy chained


Daisy chained SCSI


AGP

AGP (Accelerated Graphics Port) 3

x1 266

x2 532

x4 1,064


AGP


USB

USB (Universal Serial BUS) 1 USB


USB

  • 127

  • 480 60 ( USB 2.0)

  • IRQ (Slot)

  • Plug&Play


USB

  • - USB Controller/Root Hub USB Root Hub

    - USB Hubs USB 2 Hub Controller Hub Repeater

    - USB USB


USB


USB

  • - USB Device Driver

    - USB Driver

    - Host Controller Driver


FireWire

FireWire FireWire 3.2 (Video conference)


FireWire


FireWire

FireWire USB

Plug & Play

4 ISO Layer


FireWire

FireWire USB

USB: USB USB Host controller

FireWire: FireWire Host controller


FireWire

FireWire USB

USB: USB Host controller

FireWire: Host Bus controller Controller


USB FireWire


  • Dedicated Multiplexed

  • PCI


The End


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