Datasheet

Table Of Contents
RM46L852
www.ti.com
SPNS185C SEPTEMBER 2012REVISED JUNE 2015
4.3.1.13 Ethernet Controller
Table 4-13. PGE Ethernet Controller: MDIO Interface
Terminal Signal Reset Pull Pull Type Description
Type State
Signal Name 144
PGE
MIBSPI3NCS[1]/N2HET1[25]/MDCLK 37 Output Pullup None Serial clock output
MIBSPI1NCS[2]/N2HET1[19]/MDIO 40 I/O Pullup Fixed 20 µA Serial data input/output
Pullup
Table 4-14. PGE Ethernet Controller: Reduced Media Independent Interface (RMII)
Terminal Signal Reset Pull Pull Type Description
Type State
Signal Name 144
PGE
N2HET1[12]/MII_CRS/RMII_CRS_DV 124 Input Pulldown Fixed 20 µA RMII carrier sense and
Pulldown data valid
N2HET1[28]/MII_RXCLK/RMII_REFCLK/MII_RX_VCLKA4 107 RMII synchronous
reference clock for
receive, transmit and
control interface
AD1EVT/MII_RX_ER/RMII_RX_ER 86 RMII receive error
N2HET1[24]/MIBSPI1NCS[5]/MII_RXD[0]/RMII_RXD[0] 91 RMII receive data
N2HET1[26]/MII_RXD[1]/RMII_RXD[1] 92
MIBSPI5SOMI[0]/MII_TXD[0]/RMII_TXD[0] 98 Output Pullup None RMII transmit data
MIBSPI5SIMO[0]/MII_TXD[1]/RMII_TXD[1]/MIBSPI5SOMI[2] 99
MIBSPI5CLK/MII_TXEN/RMII_TXEN 100 RMII transmit enable
Table 4-15. PGE Ethernet Controller: Media Independent Interface (MII)
Terminal Signal Reset Pull Pull Type Description
Type State
Signal Name 144
PGE
MIBSPI1NCS[1]/N2HET1[17]/MII_COL/ 130 Input Pullup None Collision detect
USB1.SUSPEND/EQEP1S
N2HET1[12]/MII_CRS/RMII_CRS_DV 124 Pulldown Fixed 20 µA Carrier sense and receive
Pulldown data valid
N2HET1[28]/MII_RXCLK/RMII_REFCLK/MII_RX_VCLKA4 107 I/O Pulldown None MII output receive clock
N2HET1[30]/MII_RX_DV/USB1.SPEED/EQEP2S 127 Input Pulldown Fixed 20 µA Received data valid
Pulldown
AD1EVT/MII_RX_ER/RMII_RX_ER 86 Receive error
N2HET1[28]/MII_RXCLK/RMII_REFCLK/MII_RX_VCLKA4 107 I/O Receive clock
N2HET1[24]/MIBSPI1NCS[5]/MII_RXD[0]/RMII_RXD[0] 91 Input Receive data
N2HET1[26]/MII_RXD[1]/RMII_RXD[1] 92
MIBSPI1NENA/N2HET1[23]/MII_RXD[2]/ 96 Pullup Fixed 20 µA
USB1.VP/ECAP4 Pulldown
MIBSPI5NENA/MII_RXD[3]/USB1.VM/MIBSPI5SOMI[1]/ 97
ECAP5
N2HET1[10]/MII_TXCLK/USB1.TXEN/ 118 I/O Pulldown MII output transmit clock
None
MII_TX_VCLKA4/nTZ3
N2HET1[10]/MII_TXCLK/USB1.TXEN 118 Fixed 20 µA Transmit clock
/MII_TX_VCLKA4/nTZ3 Pulldown
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