Broadcom BCM5722 - Page 490

BCM5722 Programmer’s Guide
10/15/07
Broadcom Corporation
Page 431 Transceiver Registers Document 5722-PG101-R
6 Carrier Extension Error
Detected
The BCM5722 Ethernet controller returns a 1 on bit 6 of the
PHY Extended Status Register if a carrier extension error has
been detected since the last time this register was read,
otherwise, it returns a 0.
• 1 = Carrier extension error detected since last read.
• 0 = No carrier extension error since last read.
0RO
LH
5 Bad SSD Detected
(False Carrier)
The BCM5722 Ethernet controller returns a 1 on bit 5 of the
PHY Extended Status Register if a bad start of stream error
has been detected since the last time this register was read,
otherwise, it returns a 0.
• 1 = Bad SSD error detected since last read.
• 0 = No bad SSD error since last read.
0RO
LH
4 Bad ESD Detected
(Premature End)
The BCM5722 Ethernet controller returns a 1 on bit 4 of the
PHY Extended Status Register if a bad end of stream error
has been detected since the last time this register was read,
otherwise, it returns a 0.
• 1 = Bad ESD error detected since last read.
• 0 = No bad ESD error since last read.
0RO
LH
3 Receive Error Detected The BCM5722 Ethernet controller returns a 1 on bit 3 of the
PHY Extended Status Register if a packet was received with
an invalid code since the last time this register was read,
otherwise, it returns a 0.
• 1 = Receive error detected since last read.
• 0 = No receive error since last read.
0RO
LH
2 Transmit Error
Detected
The BCM5722 Ethernet controller returns a 1 on bit 2 of the
PHY Extended Status Register if a packet was received with
a transmit error code since the last time this register was read,
otherwise, it returns a 0.
• 1 = Transmit error code received since last read.
• 0 = No transmit error code received since last read.
0RO
LH
1 Lock Error Detected The BCM5722 Ethernet controller returns a 1 on bit 1 of the
PHY Extended Status Register if the descrambler has lost
lock since the last time this register was read, otherwise, it
returns a 0.
• 1 = Lock error detected since last read.
• 0 = No lock error since last read.
0RO
LH
0 MLT3 Code Error
Detected
The BCM5722 Ethernet controller returns a 1 on bit 0 of the
PHY Extended Status Register if an MLT3 coding error has
been detected in the receive data stream since the last time
this register was read, otherwise, it returns a 0.
• 1 = MLT3 code error detected since last read.
• 0 = No MLT3 code error since last read.
0RO
LH
Table 491: PHY Extended Status Register (PHY_Addr = 0x1, Reg_Addr = 11h) (Cont.)
Bit Field Description Init Access