 English |
|
|
|
|
|
|
|
| LAN8810 Datasheet, PDF (70/83 Pages) Microchip Technology – GMII 10/100/1000 Ethernet Transceiver | |||
| |||
| ◁ |
LAN8810/LAN8810I
FIGURE 5-6:
GMII RECEIVE TIMING
tr
RXCLK
RXD[7:0],
RXER, RXDV
tf
tval
tclkp
tclkh tclkl
tval
thold
thold
TABLE 5-15: GMII RECEIVE TIMING VALUES
Symbol
Description
Min
Max
tclkp
RXCLK period
7.5
tclkh
RXCLK high time
2.5
tclkl
RXCLK low time
2.5
tval
RXD[7:0], RXDV, RXER output valid from rising
edge of RXCLK
5.0
thold
RXD[7:0], RXDV, RXER output hold from rising
edge of RXCLK
0.5
tr
RXCLK rise time
1
tf
RXCLK fall time
1
Note 5-1 tr and tf are measured from VIL_AC(Max)=0.7V to VIH_AC(Min)=1.9V.
Units
ns
ns
ns
ns
Notes
ns
ns
Note 5-1
ns
Note 5-1
Note 5-2
5.5.6 MII TIMING (100BASE-TX, 10BASE-T)
This section specifies the MII interface transmit and receive timing. Please refer to Section 3.3, "GMII Interface," on
page 18 for additional details.
ï£ 2009-2015 Microchip Technology Inc.
DS00001870B-page 70
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese