10/100
Datasheet
|
|
|
|
|
|
| DUPLEX |
|
|
|
|
|
|
| MODE |
|
|
|
|
|
|
| CONTROL |
WHAT DO YOU | SPEED AND DUPLEX MODE CONTROL | FOR THE | |||||
WANT TO DO? | CONTROL BITS |
| FOR THE PHY |
| MAC | ||
|
|
|
|
|
|
|
|
10 Full Duplex | 0 | 0 | 0 | 1 | X | X | 1 |
|
|
|
|
|
|
|
|
| 0 | 1 | 0 | 1 | X | X | 1 |
|
|
|
|
|
|
|
|
| 1 | 0 | X | X | 0 | 1 | 1 |
|
|
|
|
|
|
|
|
10 Half Duplex | 0 | 0 | 0 | 0 | X | X | 0 |
|
|
|
|
|
|
|
|
| 0 | 1 | 0 | 0 | X | X | 0 |
|
|
|
|
|
|
|
|
| 1 | 0 | X | X | 0 | 0 | 0 |
|
|
|
|
|
|
|
|
LS2A, LS1A, LS0A – LED select Signal Enable. These bits define what LED control signals are routed to the LEDA output pin on the LAN91C111 Ethernet Controller. The default is 10/100 Link detected.
| LS2A | LS1A | LS0A | LED SELECT SIGNAL – LEDA |
|
|
|
|
0 | 0 | 0 | nPLED3+ nPLED0 – Logical OR of 100Mbps Link detected 10Mbps Link detected |
|
|
| (default) |
|
|
|
|
0 | 0 | 1 | Reserved |
|
|
|
|
0 | 1 | 0 | nPLED0 - 10Mbps Link detected |
|
|
|
|
0 | 1 | 1 | nPLED1 - Full Duplex Mode enabled |
|
|
|
|
1 | 0 | 0 | nPLED2 - Transmit or Receive packet occurred |
|
|
|
|
1 | 0 | 1 | nPLED3 - 100Mbps Link detected |
|
|
|
|
1 | 1 | 0 | nPLED4 - Receive packet occurred |
|
|
|
|
1 | 1 | 1 | nPLED5 - Transmit packet occurred |
|
|
|
|
LS2B, LS1B, LS0B – LED select Signal Enable. These bits define what LED control signals are routed to the LEDB output pin on the LAN91C111 Ethernet Controller. The default is 10/100 Link detected.
| LS2B | LS1B | LS0B | LED SELECT SIGNAL – LEDB |
|
|
|
|
| |
0 | 0 | 0 | nPLED3+ nPLED0 – Logical OR of 100Mbps Link detected 10Mbps Link detected | |
|
|
| (default) |
|
|
|
|
|
|
0 | 0 | 1 | Reserved |
|
|
|
|
|
|
0 | 1 | 0 | nPLED0 - 10Mbps Link detected |
|
|
|
|
|
|
0 | 1 | 1 | nPLED1 – Full Duplex Mode enabled |
|
|
|
|
|
|
1 | 0 | 0 | nPLED2 – Transmit or Receive packet occurred |
|
|
|
|
|
|
1 | 0 | 1 | nPLED3 - 100Mbps Link detected |
|
|
|
|
|
|
1 | 1 | 0 | nPLED4 - Receive packet occurred |
|
|
|
|
|
|
1 | 1 | 1 | nPLED5 - Transmit packet occurred |
|
|
|
|
|
|
SMSC LAN91C111 REV C | 53 | Revision 1.91 | ||
DATASHEET