User's Manual

LTE Module Series
EC25Hardware Design
EC25_Hardware_DesignConfidential / Released 24 / 90
SGMII Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
EPHY_RST_
N
119 DO Ethernet PHY reset
For 1.8V:
V
OL
max=0.45V
V
OH
min=1.4V
For 2.85V:
V
OL
max=0.35V
V
OH
min=2.14V
1.8V/2.85V power
domain.
If unused, keep it
open.
EPHY_INT_N 120 DI
Ethernet PHY
interrupt
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep it
open.
SGMII_
MDATA
121 IO
SGMII MDIO
(Management Data
Input/Output) data
For 1.8V:
V
OL
max=0.45V
V
OH
min=1.4V
V
IL
max=0.58V
V
IH
min=1.27V
For 2.85V:
V
OL
max=0.35V
V
OH
min=2.14V
V
IL
max=0.71V
V
IH
min=1.78V
1.8V/2.85V power
domain.
If unused, keep it
open.
SGMII_
MCLK
122 DO
SGMII MDIO
(Management Data
Input/Output) clock
For 1.8V:
V
OL
max=0.45V
V
OH
min=1.4V
For2.85V:
V
OL
max=0.35V
V
OH
min=2.14V
1.8V/2.85V power
domain.
If unused, keep it
open.
USIM2_VDD 128 PO
SGMII MDIO pull-up
power source
Configurable power
source.
1.8V/2.85V power
domain.
External pull-up for
SGMII MDIO pins.
If unused, keep it
open.
SGMII_TX_M 123 AO
SGMII transmission
- minus
If unused, keep it
open.
SGMII_TX_P 124 AO SGMII transmission If unused, keep it