MAC Interface

EVK1100 has one Media Access Control (MAC) interface for use with by the Ethernet physical layer chip.

Signals

Signal RMII MII Description Peripheral and Connectors Available on GPIO
COL   Collision detect   (2) Expansion Header
CRS   Carrier sense   (2) Expansion Header
MDC     Management Data Clock (1),(2) Expansion Header
MDIO     Management Data Input/Output (1),(2) Expansion Header
RXCLK   Receive Clock   (2) Expansion Header
RXD[0..3] Receive Data bit 0 and 1 Receive Data bit 0 to 3   (1),(2) Expansion Header
RXDV Carrier sense / Data Valid Data Valid   (1),(2) Expansion Header
RXER Receive error Receive error   (1),(2) Expansion Header
SPEED     Set to 1 to indicate 100 Mbit/s, 0 for 10 Mbit/s (2) Expansion Header
TXCLK Reference clock Transmit clock   (1),(2) Expansion Header
TXD[0..3] Transmit Data bit 0 and 1 Transmit Data bit 0 to 3   (1),(2) Expansion Header
TXEN Transmit enable Transmit enable   (1),(2) Expansion Header
TXER   Transmit error   (2) Expansion Header