
____________________________________________________ DS34T101, DS34T102, DS34T104, DS34T108
219 of 366
MAC_transmit_paulse_quantum 0x0BC
Bits
Data Element Name
R/W
Reset
Value
Description
[31:16]
Reserved
-
0x0000
Must be set to zero
[15:0]
Pause_time
R/W
0xFFFF
Transmit pause quantum. Used in hardware generation of
transmitted pause packets as value for pause quantum.
PHY_SMII_status 0x0C0
Bits
Data Element Name
R/W
Reset
Value
Description
[31:21]
Reserved
RO
0x0000
Must be set to zero
[20]
SMII_speed
RO
None
Speed recovered from receive SMII
0=10Mbps, 1=100Mbps
[19]
SMII_Duplex
RO
None
Duplex recovered from receive SMII
0=Half Duplex, 1=Full Duplex
[18]
SMII_Link
RO
None
Link recovered from receive SMII
0=Link is Down, 1=Link is Up
[17]
SMII_Jabber
RO
None
Jabber recovered from receive SMII
0=OK, 1=Error
[16]
SMII_False_Carrier
RO
None
False carrier recovered from receive SMII
0=OK, 1=False carrier detected
[15:0]
Reserved
RO
0x0000
Must be set to zero
11.4.16.2 Ethernet MAC Counters
Table 11-18. Ethernet MAC Counters
Addr
Offset
Register Name
Description
Page
0x3C
3
Pause packets received OK counter
0x40
3
Packets transmitted OK counter
0x44
3
Single collision packets counter
0x48
3
Multiple collision packets counter
0x4C
3
Packets received OK counter
0x50
3
Packet check sequence errors counter
0x54
3
Alignment errors counter
0x58
3
Deferred transmission packets counter
0x5C
3
Late collisions counter
0x60
3
Excessive collisions counter
0x64
3
Transmit underrun errors counter
0x68
Carrier sense errors counter
4
4
Rx symbol errors counter
0x78
4
Excessive length errors counter
0x7C
4
0x80
4
Undersize packets counter
0x84
4
0x8C
4
These counters stick at their maximum value and do not roll over. They also reset to zero when read and therefore
should be read frequently enough to prevent loss of data. The Rx counters are only incremented when the
4