LSI Specification
MB86617A
Rev.1.0 Fujitsu VLSI
91
8.9. Physical register #0A, 0B, 0C (read/write)
Physical Register#0A, 0B, 0C are the registers that indicate bias detect condition of IEEE1394 installed in this node and performs setting
of enable/disable of IEEE1394 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
R Bias-0
12 h
W
- - - - - - - - - - - - - -
-
Disabl
ed-0
R Bias-1
14h
W
- - - - - - - - - - - - - -
-
Disabl
ed-1
R Bias-2
16h
W
- - - - - - - - - - - - - -
-
Disabl
ed-2
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 indicates’0’.
15 - 2 reserved
Write - Always write in ‘0’.
0 Indicates that bias voltage is not detected at 1394 port n.
Read
1 Indicates that bias voltage is detected at 1394 port n.
1 Bias-n
Write - Always indicates ‘0’.
0 Enables 1394 port n.
0 Disabled-n Read/
Write 1 Disable 1394 port n.