VIA Technologies, Inc.

Preliminary VT6304

13

010 - and 393.216 Mbit/s

Int_Enable

1

rw

0

Enable port event interrupts. When set to one, the PHY shall set

Port_event to one if any of Connected, Bias, Disabled or Fault (for this

port) change state.

Fault

1

Rw

0

Set to one if an error is detected during a suspend or resume operation.

A write of one to this bit clears it to zero.

The Vendor Identification page is used to identify the PHY’s vendor and compliance level. The page is

selected by writing one to Page_select in the PHY register at address 0111.

0

1

2

3

4

5

6

7

1000b

Compliance_level

1001b

Reserved

1010b

1011b

1100b

Vendor_ID

1101b

1110b

1111b

Product_ID

Size

Type

Description

Compliance_le

vel

8

R

Standard to which the PHY implementation complies:

0 = not specified

1 = IEEE P1394a

All other values reserved for future standardization. The default is

“1”.

Vendor_ID

24

R

The company ID or Organizationally Unique Identifier (OUI) of the

manufacturer of the PHY. The most significant byte of Vendor_ID

appears at PHY register location 1010 and the least significant at

1100. The default value is “00 40 63”.

Product_ID

24

R

The meaning of this number is determined by the company or

organization that has been granted Vendor_ID. The most significant

byte of Product_ID appears at PHY register location 1101 and the

least significant at 1111. The default value is “30 60 00”.

The vendor-dependent page provides registers set aside for use by the PHY’s vendor. The page is selected by

writing seven to Page_select in the PHY register at address 0111. Don’t access the registers “used for

test”.

address

0

1

2

3

4

5

6

7

1000b

used for test