Datasheet

____________________________________________________ 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 3Pause_packets_Rxd_OK Pause packets received OK counter 220
0x40 3Packets_transmitted_OK Packets transmitted OK counter 220
0x44 3Single_collision_packets Single collision packets counter 220
0x48 3Multiple_collision_packets Multiple collision packets counter 220
0x4C 3Packets_Rxd_OK Packets received OK counter 220
0x50 3Packet_check_sequence_errors Packet check sequence errors counter 220
0x54 3Alignment_errors Alignment errors counter 221
0x58 3Deferred_transmission_packets Deferred transmission packets counter 221
0x5C 3Late_collisions Late collisions counter 221
0x60 3Excessive_collisions Excessive collisions counter 221
0x64 3Transmit_underrun_errors Transmit underrun errors counter 221
0x68 Carrier_sense_errors Carrier sense errors counter 4222
0x74 4Rx_symbol_errors Rx symbol errors counter 222
0x78 4Excessive_length_errors Excessive length errors counter 222
0x7C 4Rx_jabbers Rx jabbers counter 222
0x80 4Undersize_packets Undersize packets counter 222
0x84 4SQE_test_errors SQE test errors counter 223
0x8C 4Transmitted_pause_packets Transmitted pause packets counter 223
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
Rx_enable bit
is set in the 4MAC_network_control register.