RM48L950
RM48L750
RM48L550
SPNS174–SEPTEMBER 2011
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2.4.2.10 Ethernet Controller
Table 2-33. ZWT Ethernet Controller: MDIO Interface
Terminal
Signal
Type
Default
Pull State
Pull Type
Description
Signal Name
337
ZWT
MIBSPI3NCS[1]/N2HET1[25]/MDCLK
MIBSPI1NCS[2]/N2HET1[19]/MDIO
V5
G3
Output Pull Up
I/O Pull Up
-
Serial clock output
Fixed, 20uA
Serial data input/output
Table 2-34. ZWT Ethernet Controller: Media Independent Interface (MII)
Terminal
Signal
Type
Default
Pull State
Pull Type
Description
Signal Name
337
ZWT
MIBSPI1NCS[1]/N2HET1[17]/MII_COL/
USB1.SUSPEND
F3
B4
Input Pull Up
-
Collision detect
N2HET1[12]/MII_CRS
Pull Down Fixed, 20uA
Pull Down
Carrier sense and receive
valid
N2HET1[28]/MII_RXCLK/MII_RX_AVCLK4
N2HET1[30]/MII_RX_DV/USB1.SPEED
AD1EVT/MII_RX_ER
K19
B11
N19
K19
P1
I/O
-
MII output receive clock
Received data valid
Receive error
Input Pull Down Fixed, 20uA
N2HET1[28]/MII_RX_CLK/MII_RX_AVCLK4
N2HET1[24]/MIBSPI1NCS[5]/MII_RXD[0]
N2HET1[26]/MII_RXD[1]
I/O
Receive clock
Input
Receive data
A14
G19
MIBSPI1NENA/N2HET1[23]/MII_RXD[2]/
USB1.VP
Pull Up
Fixed, 20uA
-
MIBSPI5NENA/MII_RXD[3]/USB1.VM
H18
D19
N2HET1[10]/MII_TX_CLK/USB1.TXEN/
MII_TX_AVCLK4
I/O
Pull Down
MII output transmit clock
Transmit clock
N2HET1[10]/MII_TX_CLK/USB1.TXEN
D19
/MII_TX_AVCLK4
MIBSPI5SOMI[0]/MII_TXD[0]
MIBSPI5SIMO[0]/MII_TXD[1]
J18
J19
R2
Output Pull Up
-
Transmit data
MIBSPI1NCS[0]/MIBSPI1SOMI[1]/MII_TXD[2]/
USB1.RCV
N2HET1[08]/MIBSPI1SIMO[1]/MII_TXD[3]/
USB1.OverCurrent
E18
H19
Pull Down
Pull Up
-
-
MIBSPI5CLK/MII_TXEN
Transmit enable
30
Device Package and Terminal Functions
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