UPD72862 データシートの表示（PDF） - NEC => Renesas Technology

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UPD72862

IEEE1394 OHCI HOST CONTROLLER

NEC => Renesas Technology 

µPD72862

BLOCK DIAGRAM

Serial ROM Interface

PCI Controller Interface

(Master, Parity Check & Generator) PCI-DMA IOREG

CSR

(CIS)

PFCOMM

Buf

Byte

Swap

OPCI Internal Bus

PCIS_CNT

PCIS Bus (PCI Slave Bus)

PCICFG

ATDMA

PAU

OPCIBUS_ARB

GRSU

GRQU

ITDMA

IRDMA0-

IRDMA3

SFIDU

Byte

Swap

ATF

Byte

Swap

ITF

ITCF

RF

Byte

Swap

RCF

Link Layer

Core

IOREG

ATDMA

ATF

CIS

CSR

IOREG

IRDMA

ITCF

ITDMA

ITF

OPCIBUS_ARB

PAU

PCICFG

PCIS_CNT

PFCOMM

RCF

RF

SFIDU

: Asynchronous Transmit DMA

: Asynchronous Transmit FIFO

: CIS Register

: Control and Status Registers

: IO Registers

: Isochronous Receive DMA

: Isochronous Transmit Control FIFO

: Isochronous Transmit DMA

: Isochronous Transmit FIFO

: OPCI Internal Bus Arbitration

: Physical Response and Request Unit

: PCI Configuration Registers

: PHY Control Isochronous Control

: Pre Fetch Command FIFO

: Receive Control FIFO

: Receive FIFO

: Self-ID DMA

Data Sheet S14265EJ2V0DS00

3

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