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Physical register #05 (read/write) – FUJITSU MB86617A User Manual

Page 93

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LSI S pecification

MB86617A

Rev.1.0

Fujitsu VLSI

88

8.7. Physical register #05 (read/write)

Physical Register#05 is the register indicating availability of cable supply power standard and timeout detect of arbitration state machine.

phy/
link-

addr

R/W

Bit

15

Bit

14

Bit

13

Bit

12

Bit

11

Bit

10

Bit

9

Bit

8

Bit

7

Bit

6

Bit

5

Bit

4

Bit

3

Bit

2

Bit

1

Bit

0

0A h

R/W

-

-

-

-

-

-

-

-

Resume

_Int

ISBR

Loop

Pwr

_fail

Time

out

Port_

event

Enab

_accel

Enab_

multi

Initial Value

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’’

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’

<

< Description of Each Bit

BIT

Bit Name

Action

Value

Function

Read

-

Always indicate ‘0’.

15 - 8

reserved

Write

-

Always write in ‘0’.

0

Does not indicate ‘1’ at Port_event bit during resume processing.

7

Resume_Int

Read/

Write

1

Indicates ‘1’ at Port_event bit during resume processing.

0

Does not perform short bus reset.

6

ISBR

Read/

Write

1

Performs short bus reset. Automatically clears to ‘0’ at the completion of bus
reset.

0

Indicates that port connection is in a loop.

Read

1

Indicates that port connection is in a loop.

5

Loop

Write

-

Clears the bit value to ‘0’ by writing in ‘1’.

0

Indicates that the cable supply power satisfies the standard.

Read

1

Indicates that the cable supply power does not satisfy the standard.

4

Pwr_fail

Write

-

Clears the bit value to ‘0’ by writing in ‘1’.

0

Indicates that timeout is not detected by arbitration state machine.

Read

1

Indicates that timeout is det ected by arbitration state machine.

3

Timeout

Write

-

Clears the bit value to ‘0’ by writing in ‘1’.