Quectel LTE-A Series

LTE-A Module Series
EG060V-EA Hardware Design
EG060V-EA_Hardware_Design 20 / 82
V
IH
max = 2.0 V
OTG_PWR_
EN*
143
DO
OTG power control
V
OL
max = 0.45 V
V
OH
min = 1.35 V
(U)SIM Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
USIM_GND
24
Dedicated ground
for (U)SIM card
USIM_VDD
26
PO
(U)SIM card power
supply
For 1.8 V (U)SIM:
Vmax = 1.9 V
Vmin = 1.7 V
For 3.0 V (U)SIM:
Vmax = 3.05 V
Vmin = 2.75 V
I
O
max = 50 mA
Either 1.8 V or 3.0 V is
supported by the
module automatically.
USIM_DATA
29
IO
(U)SIM card data
For 1.8 V (U)SIM:
V
IL
max = 0.36 V
V
IH
min = 1.26 V
V
OL
max = 0.4 V
V
OH
min = 1.45 V
For 3.0 V (U)SIM:
V
IL
max = 0.57 V
V
IH
min = 2.0 V
V
OL
max = 0.4 V
V
OH
min = 2.3 V
USIM_CLK
27
DO
(U)SIM card clock
For 1.8 V (U)SIM:
V
OL
max = 0.4 V
V
OH
min = 1.45 V
For 3.0 V (U)SIM:
V
OL
max = 0.4 V
V
OH
min = 2.3 V
USIM_RST
28
DO
(U)SIM card reset
For 1.8 V (U)SIM:
V
OL
max = 0.4 V
V
OH
min = 1.45 V
For 3.0 V (U)SIM:
V
OL
max = 0.4 V
V
OH
min = 2.3 V
USIM_DET
25
DI
(U)SIM card
V
IL
min = -0.3 V
1.8 V power domain.