Gigabit Media Independent Interface
E480964
Gigabit Media Independent Interface (GMII) is a standard interface that connects a gigabit Ethernet MAC layer to the physical layer, supporting 1 Gbit/s data rates over various media types.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
Ethernet interface standard
ⓘ
computer hardware interface ⓘ |
| abbreviation | GMII ⓘ |
| backwardCompatibleWith | Media Independent Interface NERFINISHED ⓘ |
| clockSource |
MAC for transmit clock
ⓘ
PHY for receive clock ⓘ |
| connectsLayer |
Gigabit Ethernet MAC layer
ⓘ
physical layer ⓘ |
| dataPathWidth | 8-bit ⓘ |
| definedInStandard | IEEE 802.3 NERFINISHED ⓘ |
| direction | full-duplex data path ⓘ |
| enables | media independence for Gigabit Ethernet MACs ⓘ |
| hasClockFrequency | 125 MHz ⓘ |
| hasControlSignals |
GMII_COL
ⓘ
GMII_CRS ⓘ |
| hasReceiveSignals |
GMII_RXD[7:0]
ⓘ
GMII_RX_CLK ⓘ GMII_RX_DV ⓘ GMII_RX_ER NERFINISHED ⓘ |
| hasTransmitSignals |
GMII_TXD[7:0]
ⓘ
GMII_TX_EN ⓘ GMII_TX_ER ⓘ GTX_CLK ⓘ |
| introducedFor |
1000BASE-T
ⓘ
1000BASE-X ⓘ |
| operatesAtOSIlayer | between data link layer and physical layer ⓘ |
| relatedStandard |
Media Independent Interface
NERFINISHED
ⓘ
Reduced Gigabit Media Independent Interface NERFINISHED ⓘ Serial Gigabit Media Independent Interface NERFINISHED ⓘ Ten-bit Interface ⓘ |
| signalType | parallel interface ⓘ |
| standardizedBy | IEEE NERFINISHED ⓘ |
| supportsAutoNegotiation | yes ⓘ |
| supportsDataRate |
1 Gbit/s
ⓘ
1000 Mbit/s ⓘ |
| supportsDuplexMode |
full duplex
ⓘ
half duplex ⓘ |
| supportsFlowControl | yes ⓘ |
| supportsManagementInterface | MDIO NERFINISHED ⓘ |
| supportsMediaType |
copper
ⓘ
fiber optic ⓘ |
| typicalUseCase | on-board connection between MAC and PHY chips ⓘ |
| usedBetween |
MAC device
ⓘ
PHY device ⓘ |
| usedIn | Gigabit Ethernet NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.