VT6306 datasheet(35/59 Pages) VIA

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VT6306 PCI 1394a Host Controller

Revision 1.16 July 19, 2002

-29-

Filter Registers

Offset 100 (Set), 104 (Clear) – Async Req Filter High .. RW

Async Request Resources All Buses

Asynchronous requests received from non-

local bus nodes will be accepted only if the bit

which is set corresponds to the node number

(see the remaining bits of this register and the

“Async Request Filter Low” register).... default

All asynchronous requests received from non-

local bus nodes will be accepted.

Bus reset does not affect the value of this bit.

30-0 Async Request Resource “N”

.................. default = 0

If set to one for local bus node number N+32,

asynchronous requests received from that node

number

will

accepted.

The

bit

number

corresponds to the node number + 32. Bus reset sets

all bits of this field to 0.

Offset 108 (Set), 10C (Clear) – Async Req Filter Low .. RW

31-0 Async Request Resource “N”

.................. default = 0

If set to one for local bus node number N,

asynchronous requests received from that node

number

will

accepted.

The

bit

number

corresponds to the node number. Bus reset sets all

bits of this field to 0.

Offset 110 (Set), 114 (Clear) – Physical Req Filter HighRW

Physical Request Resources All Buses

Asynchronous physical requests received from

non-local bus nodes will be accepted only if

the bit which is set corresponds to the node

number (see the remaining bits of this register

and the “Physical Request Filter Low” register).

default

All asynchronous physical requests received

from non-local bus nodes will be accepted.

Bus reset does not affect the value of this bit.

30-0 Physical Request Resource “N”

...............default = 0

If set to one for local bus node number N+32,

asynchronous physical requests received from that

node number will be accepted.

The bit number

corresponds to the node number + 32. Bus reset sets

all bits of this field to 0.

Offset 118 (Set), 11C (Clear) – Physical Req Filter LowRW

31-0 Physical Request Resource “N”

...............default = 0

If set to one for local bus node number N,

asynchronous physical requests received from that

node number will be accepted.

The bit number

corresponds to the node number. Bus reset sets all

bits of this field to 0.

Offset 120 – Physical Upper Bound................................. RW

31-0 Physical Upper Bound

..............................default = 0

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