Motorola 82543 用户手册

J3 PCI Bus Connector

Gigabit Ethernet/82543 PMC Installation and Use

3-7

 identifies the 32-bit J3 PCI bus connector pin 

assignments, respectively. 

 defines the signals 

associated with the connector pins. 

INTA*, INTB*, INTC*, 
INTD*

PCI device interrupt request signal

IRDY*

PCI device initiator ready signal

LOCK*

PCI data exchange bus control line signal

NC

No connection

PAR

Parity validation signal

PERR*

PCI data and address parity error signal

REQ*

PCI bus mastering request signal

REQ64*

64-bit transfer request signal

RST*

PCI I/O reset signal

SBO*

Snoop backoff

SDONE*

Snoop done

SERR*

PCI system error signal

STOP*

PCI device data transfer stop signal

TCK

Test clock

TDI

JTAG, test data input

TDO

JTAG, test data output

TMS

TMS Test mode select

TRDY*

Target ready

TRST*

JTAG, test reset

V(I/O)

Voltage I/O source