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| RM48L952_15 Datasheet, PDF (31/178 Pages) Texas Instruments – 16- and 32-Bit RISC Flash Microcontroller | |||
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RM48L952
SPNS177D â SEPTEMBER 2011 â REVISED JUNE 2015
4.3.2.10 Ethernet Controller
Table 4-31. ZWT Ethernet Controller: MDIO Interface
TERMINAL
SIGNAL NAME
MIBSPI3NCS[1]/N2HET1[25]/MDCLK
MIBSPI1NCS[2]/N2HET1[19]/MDIO
337
ZWT
V5
G3
SIGNAL
TYPE
Output
I/O
RESET
PULL
STATE
Pullup
Pullup
PULL TYPE
None
Fixed, 20 µA
DESCRIPTION
Serial clock output
Serial data input/output
Table 4-32. ZWT Ethernet Controller: Reduced Media Independent Interface (RMII)
TERMINAL
SIGNAL NAME
N2HET1[12]/MII_CRS/RMII_CRS_DV
N2HET1[28]/MII_RX_CLK/RMII_REFCLK/MII_RX_AVCLK4
AD1EVT/MII_RX_ER/RMII_RX_ER
N2HET1[24]/MIBSPI1NCS[5]/MII_RXD[0]/RMII_RXD[0]
N2HET1[26]/MII_RXD[1]/RMII_RXD[1]
MIBSPI5SOMI[0]/DMM_DATA[12]/MII_TXD[0]/RMII_TXD[0]
MIBSPI5SIMO[0]/DMM_DATA[8]/MII_TXD[1]/RMII_TXD[1]
MIBSPI5CLK/DMM_DATA[4]/MII_TXEN/RMII_TXEN
337
ZWT
B4
SIGNAL
TYPE
RESET
PULL
STATE
K19
Input
Pulldown
N19
P1
A14
J18
J19 Output
Pullup
H19
PULL TYPE
DESCRIPTION
Fixed 12-µA
Pulldown
RMII carrier sense and
receive data valid
RMII synchronous reference
clock for receive, transmit and
control interface
RMII receive error
RMII receive data
None
RMII transmit data
RMII transmit enable
Table 4-33. ZWT Ethernet Controller: Media Independent Interface (MII)
TERMINAL
SIGNAL NAME
MIBSPI1NCS[1]/N2HET1[17]/MII_COL/
USB1.SUSPEND
N2HET1[12]/MII_CRS/RMII_CRS_DV
N2HET1[28]/MII_RX_CLK/RMII_REFCLK/MII_RX_AVCLK4
N2HET1[30]/MII_RX_DV/USB1.SPEED
AD1EVT/MII_RX_ER/RMII_RX_ER
N2HET1[28]/MII_RX_CLK/RMII_REFCLK/MII_RX_AVCLK4
N2HET1[24]/MIBSPI1NCS[5]/MII_RXD[0]/RMII_RXD[0]
N2HET1[26]/MII_RXD[1]/RMII_RXD[1]
MIBSPI1NENA/N2HET1[23]/MII_RXD[2]/
USB1.VP
MIBSPI5NENA/DMM_DATA[7]/MII_RXD[3]/
USB1.VM
N2HET1[10]/MII_TX_CLK/USB1.TXEN/
MII_TX_AVCLK4
N2HET1[10]/MII_TX_CLK/USB1.TXEN
/MII_TX_AVCLK4
MIBSPI5SOMI[0]/DMM_DATA[12]/MII_TXD[0]/RMII_TXD[0]
MIBSPI5SIMO[0]/DMM_DATA[8]/MII_TXD[1]/RMII_TXD[1]
MIBSPI1NCS[0]/MIBSPI1SOMI[1]/MII_TXD[2]/
USB1.RCV
N2HET1[8]/MIBSPI1SIMO[1]/MII_TXD[3]/
USB1.OverCurrent
MIBSPI5CLK/DMM_DATA[4]/MII_TXEN/RMII_TXEN
337
ZWT
F3
B4
K19
B11
N19
K19
P1
A14
G19
H18
SIGNAL
TYPE
Input
I/O
Input
I/O
Input
RESET
PULL
STATE
Pullup
Pulldown
Pulldown
Pulldown
Pullup
D19
I/O
Pulldown
D19
J18
J19
R2
Output
Pullup
E18
Pulldown
H19
Pullup
PULL TYPE
DESCRIPTION
None
Fixed 20-µA
Pulldown
None
Fixed 20-µA
Pulldown
Collision detect
Carrier sense and receive
data valid
MII output receive clock
Received data valid
Receive error
Receive clock
Fixed 20-µA
Pulldown
Receive data
None
MII output transmit clock
Transmit clock
None
None
None
Transmit data
Transmit enable
Copyright © 2011â2015, Texas Instruments Incorporated
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Terminal Configuration and Functions
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