LAN91C96-MU Standard Microsystems (SMSC), LAN91C96-MU Datasheet - Page 84
LAN91C96-MU
Manufacturer Part Number
LAN91C96-MU
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.LAN91C96-MU.pdf
(125 pages)
Specifications of LAN91C96-MU
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (min)
2.97V
Operating Supply Voltage (max)
5.5V
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
100
Lead Free Status / RoHS Status
Compliant
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9.8
Revision 1.0 (10-24-08)
CSMA Block
The CSMA/CD block is first interfaced via its control registers in order to define its operational
configuration. From then on, the DMA interface between the CSMA/CD block and memory is used to
transfer data to and from its data path interface.
For transmit, the CSMA/CD block will be asked to transmit frames as soon as they are ready in memory. It
will continue transmissions until any of the following transmit error occurs:
1.
2.
3.
4.
In that case TXENA will be cleared and the CPU should restart the transmission by setting it again. If a
transmission is successful, TXENA stays set and the CSMA/CD is provided by the DMA block with the
next packet to be transmitted.
Collisions on same frame
Late collision
Lost Carrier sense and MON_CSN set
SQET error and STP_SQET set
FIGURE 9.1 - MMU PACKET NUMBER FLOW AND RELEVANT REGISTERS
DATASHEET
Page 84
Non-PCI Single-Chip Full Duplex Ethernet Controller with Magic Packet
SMSC LAN91C96 5v&3v
Datasheet