SMSC LAN8710i Switch User Manual


 
MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR
®
Technology in a Small Footprint
Datasheet
Revision 1.0 (04-15-09) 70 SMSC LAN8710/LAN8710i
DATASHEET
Note 7.3 These levels apply when a 0-3.3V Clock is driven into XTAL1/CLKIN and XTAL2 is floating.
The maximum input voltage on XTAL1/CLKIN is VDD2A + 0.4V.
Table 7.6 LAN Interface Signals
NAME V
IH
V
IL
I
OH
I
OL
V
OL
V
OH
TXP
See Table 7.11, “100Base-TX Transceiver Characteristics,” on page 71 and Table 7.12,
“10BASE-T Transceiver Characteristics,” on page 72.
TXN
RXP
RXN
Table 7.7 LED Signals
NAME V
IH
(V) V
IL
(V) I
OH
I
OL
V
OL
(V) V
OH
(V)
LED1/REGOFF 0.63 * VDD2A 0.39 * VDD2A -12 mA +12 mA +0.4 VDD2A – +0.4
LED2/nINTSEL 0.63 * VDD2A 0.39 * VDD2A -12 mA +12 mA +0.4 VDD2A – +0.4
Table 7.8 Configuration Inputs
NAME V
IH
(V) V
IL
(V) I
OH
I
OL
V
OL
(V) V
OH
(V)
RXD0/MODE0 0.63 * VDDIO 0.39 * VDDIO -8 mA +8 mA +0.4 VDDIO – +0.4
RXD1/MODE1 0.63 * VDDIO 0.39 * VDDIO -8 mA +8 mA +0.4 VDDIO – +0.4
RXD2/RMIISEL 0.63 * VDDIO 0.39 * VDDIO -8 mA +8 mA +0.4 VDDIO – +0.4
RXD3/PHYAD2 0.63 * VDDIO 0.39 * VDDIO -8 mA +8 mA +0.4 VDDIO – +0.4
RXER/RXD4/PHYAD0 0.63 * VDDIO 0.39 * VDDIO -8 mA +8 mA +0.4 VDDIO – +0.4
RXCLK/PHYAD1 0.63 * VDDIO 0.39 * VDDIO -8 mA +8 mA +0.4 VDDIO – +0.4
COL/CRS_DV/MODE2 0.63 * VDDIO 0.39 * VDDIO -8 mA +8 mA +0.4 VDDIO – +0.4
Table 7.9 General Signals
NAME V
IH
(V) V
IL
(V) I
OH
I
OL
V
OL
(V) V
OH
(V)
nINT/TXER/TXD4 -8 mA +8 mA +0.4 VDDIO – +0.4
nRST 0.63 * VDDIO 0.39 * VDDIO
XTAL1/CLKIN (Note 7.3) +1.40 V 0.39 * VDD2A
XTAL2 - -