FUJITSU MB86617A - Manual (Page 90)

LSI S pecification MB86617A
Rev.1.0 Fujitsu VLSI
85
8.4. Physical register #02 (read)
Physical Register#02 is the register that indicates if the extended PHY register map is in existence or not, and the number of ports (3
port).
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
04 h R - - - - - - - - Extended - Total_ports
Fixed value ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ ‘0’ “7 h” ‘0’ “3h”
< < Description of each Bit
BIT Bit Name Action Value Function
15 - 8 reserved Read - Always indicate ‘0’.
7 - 5 Extended Read -
Indicate that this node has the extended PHY register map. (MSB: 7 , LSB: 5)
Always indicate fixed value “7 h”.
4 reserved Read - Always indicates ‘0’.
3 - 0 Total_ports Read -
Indicate the number of ports held by this node (MSB: 4 , LSB: 0).
Always indicate fixed value “3 h”.