realtek single chip single port 10/100m fast ... - Cornelius-Consult
realtek single chip single port 10/100m fast ... - Cornelius-Consult
realtek single chip single port 10/100m fast ... - Cornelius-Consult
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8.2.4 SNI Timing of Reception Cycle<br />
RTL8201CL<br />
Shown is an example of transfer of a packet from PHY to MAC in SNI interface. SNI mode only runs in <strong>10</strong>Mbps.<br />
Symbol Description Minimum Typical Maximum Unit<br />
t 1 RXCLK high pulse width 36 ns<br />
t 2 RXCLK low pulse width 36 ns<br />
t 3 RXCLK period 80 120 ns<br />
t 4 RXD0 setup to RXCLK rising edge 40 ns<br />
t 5 RXD0 hold after RXCLK rising edge 40 ns<br />
t 6 Receive frame to CRS high 50 ns<br />
t 7 End of receive frame to CRS low 160 ns<br />
t 8 Decoder acquisition time 600 1800 ns<br />
RXCLK<br />
V IH(min)<br />
V IL(max)<br />
t 4<br />
t 5<br />
t 1<br />
t 3<br />
t 2<br />
RXD0<br />
V IH(min)<br />
V IL(max)<br />
RXCLK<br />
t 8<br />
RXD0<br />
TPRX+t<br />
6<br />
t 7<br />
CRS<br />
2002-03-29 26<br />
Rev.1.0<br />
Tel: +49(0)234-9351135 · Fax: +49(0)234-9351137 E-MAIL: info@cornelius-consult.de http://www.cornelius-consult.de
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