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UPD72870GM-8ED Datasheet(PDF) 4 Page - NEC

Part # UPD72870GM-8ED
Description  IEEE1394 1-CHIP OHCI HOST CONTROLLER
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD72870GM-8ED Datasheet(HTML) 4 Page - NEC

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Preliminary Data Sheet S13925EJ2V0DS00
4
µµµµPD72870,72871
Link Block Diagram
Serial ROM Interface
OPCI Internal Bus
PCIS Bus (PCI Slave Bus)
PCI Controller Interface
(Master, Parity Check & Generator)
PCI-DMA
CSR
(CIS)
PFCOMM
IOREG
Byte
Swap
Buf
PCIS_CNT
PCICFG
OPCIBUS_ARB
ATDMA
PAU
GRSU
GRQU
IRDMA0-
IRDMA3
ITDMA
SFIDU
Byte
Swap
Byte
Swap
Byte
Swap
ATF
ITF
ITCF
RF
RCF
IOREG
Link Layer
Core
ATDMA
: Asynchronous Transmit DMA
ATF
: Asynchronous Transmit FIFO
CIS
: CIS Register
CSR
: Control and Status Registers
IOREG
: IO Registers
IRDMA
: Isochronous Receive DMA
ITCF
: Isochronous Transmit Control FIFO
ITDMA
: Isochronous Transmit DMA
ITF
: Isochronous Transmit FIFO
OPCIBUS_ARB
: OPCI Internal Bus Arbitration
PAU
: Physical Response and Request Unit
PCICFG
: PCI Configuration Registers
PCIS_CNT
: PHY Control Isochronous Control
PFCOMM
: Pre Fetch Command FIFO
RCF
: Receive Control FIFO
RF
: Receive FIFO
SFIDU
: Self-ID DMA


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