Product Manual

MeiGProductManualofSLM750Module
SLM750ModuleHardwareDesign Page 27, total 84 pages
VIHmax=3.34V
SD_DATA0 31 IO SD card SDIO
signal data line 0
1.8V SD card:
VOLmax=0.45
VOHmin=1.4V
V ILmin=-0.3V
VILmax=0.58V
VIHmin=1.27V
VIHmax =2.0V
3.0V SD card:
VOLmax=0.38V
VOHmin=2.01V
V ILmin=-0.3V
VILmax=0.76V
VIHmin=1.72V
VIHmax=3.34V
Refer to SD3.0
protocol. If
unused, keep it
open.
SGMII Pin
Pin name Pin
number
I/O Description DC features Note
EPHY_RST_
N*
119 DO Ethernet PHY
reset
For 1.8V:
VOLmax=0.45V
VOHmin=1.4V
For 2.85V:
VOLmax=0.35V
VOHmin =2.14V
1.8V /2.85V power
domain.
If unused, keep it
open.
EPHY_INT_N
*
120 DI Ethernet PHY
interruption
VILmin=-0.3V
VILmax=0.6V
VIHmin=1.2V
VIHmax=2.0V
1.8V /2.85V power
domain.
If unused, keep it
open.
SGMII_MDA
TA*
121 IO SGMII MDIO
data
For 1.8V:
VOLmax=0.45V
VOHmin=1.4V
VILmax =0.58V
VIHmin =1.27V
For 2.85V:
VOLmax=0.35V
VOHmin =2.14V
VILmax =0.71V
VIHmin =1.78V
1.8V/2.85V power
domain.
If unused, keep it
open.
SGMII_MCL
K*
122 DO SGMII MDIO
clock
For 1.8V:
VOLmax=0.45V
VOHmin=1.4V
For 2.85V:
VOLmax=0.35V
VOHmin =2.14V
USIM2_VDD 128 PO SGMII MDIO - 1.8V/2.85V power