LSI Specification

MB86617A

8.2. Physical register #00 (read)

Physical Register#00 is the register that indicates Physical ID, root status, and cable power st atus of this node.

phy/

 

Bit

Bit

Bit

Bit

Bit

Bit

Bit

Bit

Bit

Bit

Bit

 

Bit

Bit

Bit

Bit

Bit

link-

R/W

 

15

14

13

12

11

10

9

8

7

6

5

 

4

3

2

1

0

addr

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

00 h

R

-

-

-

-

-

-

-

-

 

 

Physical_ID

 

 

R

PS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Initial value

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’

‘0’

 

 

 

“00 h”

 

 

‘0’

‘0’

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Description of Each Bit

BIT

Bit name

Action

Value

Function

 

 

 

 

 

15 – 8

Reserved

Read

0

Always indicate ‘0’.

 

 

 

 

 

7 – 2

Physical_ID

Read

-

Indicate node No. of this node determined by Self- identify during processing bus

reset. (MSB : 7 , LSB : 2)

 

 

 

 

Effective after completion of bus reset.

 

 

 

 

 

 

 

 

0

Indicates that this node is not root.

1

R

Read

 

 

1

Indicates that this node is root.

 

 

 

 

 

 

 

 

 

 

 

0

Indicates that the supplied cable power is below specification.

0

PS

Read

 

 

1

Indicates that the supplied cable power is over specification.

 

 

 

 

 

 

 

 

Rev.1.0

83

Fujitsu VLSI

Page 88
Image 88
Fujitsu MB86617A manual Physical register #00 read, Description of Each Bit