VT6305 datasheet(17/35 Pages) ETC

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Revision 0.2 March 10, 2000

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Offset D - Latency Timer (00h) ..................................... RW

7-4

Latency Timer Count

PCI burst cycles generated by the VT6305 can last

indefinitely as long as PCI GNT# remains active. If

GNT# is negated after the burst is initiated, the

VT6305 limits the duration of the burst to the

number of PCI Bus clocks specified in this field.

3-0

Reserved

...................................... always reads 0

Offset E - Header Type (00h) .........................................RO

Offset 13-10 - Base Address – 1394 Register Space ...... RW

31-7 Base Address (128-Byte Space).............. default = 0

6-4

Reserved

...................................... always reads 0

Prefetechable .................................... always reads 0

Reads 0 to indicate that the 1394 register space is not

prefetchable.

2-1

Type

...................................... always reads 0

Reads 0 to indicate that the 1394 register space may

be located anywhere in the 32-bit address space.

Resource Type .................................. always reads 0

Reads 0 to indicate a request for memory space.

Offset 3C - Interrupt Line (00h) .....................................RO

Offset 3D - Interrupt Pin (01h=Drives INTA#)...............RO

VT6305 Datasheet(PDF) 17 Page - List of Unclassifed Manufacturers