Datasheet

RM46L450
RM46L850
SPNS184A –SEPTEMBER 2012–REVISED SEPTEMBER 2013 www.ti.com
2.3.2.13 Ethernet Controller
Table 2-37. ZWT Ethernet Controller: MDIO Interface
Terminal Signal Default Pull Type Description
Type Pull State
Signal Name 337
ZWT
MIBSPI3NCS[1]/N2HET1[25]/MDCLK V5 Output Pull Up - Serial clock output
MIBSPI1NCS[2]/N2HET1[19]/MDIO G3 I/O Pull Up Fixed, 20 µA Serial data input/output
Table 2-38. ZWT Ethernet Controller: Reduced Media Independent Interface (RMII)
Terminal Signal Default Pull Type Description
Type Pull State
Signal Name 337
ZWT
N2HET1[12]/MII_CRS/RMII_CRS_DV B4 Input Pull Down Fixed, 20 µA RMII carrier sense and
data valid
N2HET1[28]/MII_RX_CLK/RMII_REFCLK/MII_RX_VCLKA4 K19 RMII synchronous
reference clock for
receive, transmit and
control interface
AD1EVT/MII_RX_ER/RMII_RX_ER N19 RMII receive error
N2HET1[24]/MIBSPI1NCS[5]/MII_RXD[0]/RMII_RXD[0] P1 RMII receive data
N2HET1[26]/MII_RXD[1]/RMII_RXD[1] A14
MIBSPI5SOMI[0]/MII_TXD[0]/RMII_TXD[0] J18 Output Pull Up - RMII transmit data
MIBSPI5SIMO[0]/MII_TXD[1]/RMII_TXD[1] J19
MIBSPI5CLK//MII_TXEN/RMII_TXEN H19 RMII transmit enable
Table 2-39. ZWT Ethernet Controller: Media Independent Interface (MII)
Terminal Signal Default Pull Type Description
Type Pull State
Signal Name 337
ZWT
MIBSPI1NCS[1]/N2HET1[17]/MII_COL/ F3 Input Pull Up - Collision detect
USB1.SUSPEND/EQEP1S
N2HET1[12]/MII_CRS/RMII_CRS_DV B4 Pull Down Fixed, 20 µA Carrier sense and receive
valid
N2HET1[28]/MII_RXCLK/RMII_REFCLK/MII_RX_VCLKA4 K19 I/O Pull Down - MII output receive clock
N2HET1[30]/MII_RX_DV/USB1.SPEED/EQEP2S B11 Input Pull Down Fixed, 20 µA Received data valid
AD1EVT/MII_RX_ER/RMII_RX_ER N19 Receive error
N2HET1[28]/MII_RX_CLK/RMII_REFCLK/MII_RX_VCLKA4 K19 I/O Receive clock
N2HET1[24]/MIBSPI1NCS[5]/MII_RXD[0]/RMII_RXD[0] P1 Input Receive data
N2HET1[26]/MII_RXD[1]/RMII_RXD[1] A14
MIBSPI1NENA/N2HET1[23]/MII_RXD[2]/ G19 Pull Up Fixed, 20 µA
USB1.VP/ECAP4
MIBSPI5NENA/MII_RXD[3]/USB1.VM/MIBSPI5SOMI[1]/ECA H18
P5
N2HET1[10]/MII_TX_CLK/USB1.TXEN/ D19 I/O Pull Down - MII output transmit clock
MII_TX_VCLKA4/nTZ3
N2HET1[10]/MII_TX_CLK/USB1.TXEN D19 Transmit clock
/MII_TX_VCLKA4/nTZ3
36 Device Package and Terminal Functions Copyright © 2012–2013, Texas Instruments Incorporated
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