LAN8700 Datasheet, PDF (61/74 Pages) SMSC Corporation – ±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR TM in a Small Footprint

LAN8700/LAN8700i
TABLE 7-8: CONFIGURATION INPUTS
Name
SPEED100/PHYAD0
LINK/PHYAD1
ACTIVITY/PHYAD2
FDUPLEX/PHYAD3
CRS/PHYAD4
RXD0/MODE0
RXD1/MODE1
RXD2/MODE2
RX_CLK/REGOFF
COL/RMII/CRS_DV
V_IH (V)
0.68 * VDDIO
0.68 * VDDIO
0.68 * VDDIO
0.68 * VDDIO
0.68 * VDDIO
0.68 * VDDIO
0.68 * VDDIO
0.68 * VDDIO
0.68 * VDDIO
V_IL (V)
0.4 * VDDIO
0.4 * VDDIO
0.4 * VDDIO
0.4 * VDDIO
0.4 * VDDIO
0.4 * VDDIO
0.4 * VDDIO
0.4 * VDDIO
0.4 * VDDIO
I_OH
-12 mA
-12 mA
-12 mA
-12 mA
-8 mA
I_OL
+12 mA
+12 mA
+12 mA
+12 mA
+8 mA
-8 mA +8 mA
V_OL (V)
+0.4
+0.4
+0.4
+0.4
+0.4
+0.4
V_OH (V)
VDDIO – +0.4
VDDIO – +0.4
VDDIO – +0.4
VDDIO – +0.4
VDDIO – +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/TX_ER/TXD4
-8 mA +8 mA
+0.4
VDDIO – +0.4
nRST
0.68 * VDDIO 0.4 * VDDIO
CLKIN/XTAL1 (Note 7-3)
+1.40 V
0.4 * VDDIO
XTAL2
-
-
NC
Note 7-3 These levels apply when a 0-3.3V Clock is driven into CLKIN/XTAL1 and XTAL2 is floating. The
maximum input voltage on XTAL1 is VDDIO + 0.4V.
TABLE 7-10: ANALOG REFERENCES
Name
EXRES1
Buffer Type
V_IH
V_IL
I_OH
I_OL
V_OL
V_OH
AI
TABLE 7-11: INTERNAL PULL-UP / PULL-DOWN CONFIGURATIONS
Name
Pull-up or Pull-down
SPEED100/PHYAD0
LINK/PHYAD1
ACTIVITY/PHYAD2
FDUPLEX/PHYAD3
CRS/PHYAD4
RXD0/MODE0
RXD1/MODE1
RXD2/MODE2
RXD3/nINTSEL
nINT/TX_ER/TXD4
nRST
COL/RMII/CRS_DV
MDIO
MDC
RX_CLK/REGOFF
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-up
Pull-down
Pull-down
Pull-down
Pull-down
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DS00002260A-page 61