MB86967 Datasheet, PDF (54/129 Pages) Fujitsu Component Limited. – LAN Controller with PC Card, ISA Bus, and General-purpose Bus Interfaces

MB86967
(7) BMPR15: Transceiver Status Control Register
BMPR15 indicates the status of the 10BASE-T transceiver.
Read
Write
Initial Value
Bit 7
0
0
Bit 6
LKF
BIT CLR
×
Bit 5
0
0
Bit 4
0
0
Bit 3
POL REV
BIT CLR
×
Bit 2
0
0
Bit 1
SQE
BIT CLR
0
Bit 0
0
0
Bit no. Bit name
7 Not used
6 LKF
5 and 4 Not used
3 POL REV
2 Not used
1 SQE
0 Not used
Operation
Read/Write
Read
Write
Read/Write
Read
Write
Read/Write
Read
Write
Read/Write
Value
—
0
1
0
1
—
0
1
0
1
—
0
1
0
1
—
Function
The read value of this bit is always 0.
Writing 1 is prohibited. Always write 0 to this bit at writing.
No link fail is detected.
A link fail is detected.
Not affected
This bit is cleared.
The read value of this bit is always 0.
Writing 1 is prohibited. Always write 0 to this bit at writing.
Polarity reversal is not detected.
Polarity reversal is detected.
Not affected
This bit is cleared.
The read value of this bit is always 0.
Writing 1 is prohibited. Always write 0 to this bit at writing.
An SQE error is not detected.
An SQE error is detected.
* : The read value of this
bit is always 0 when bit
0 of DLCR4(DSC:
Disable Carrier
Detect) is enabled (1).
Not affected
This bit is cleared.
The read value of this bit is always 0.
Writing 1 is prohibited. Always write 0 to this bit at writing.
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