Quectel EC200U Series Hardware Design page 23

(U)SIM Interface
Pin Name Pin No.
USIM_GND 10
USIM_VDD 14
USIM_DATA 15
USIM_CLK 16
USIM_RST 17
USIM_DET 13
EC200U_Series_Hardware_Design
I/O Description
(U)SIM1 card GND
(U)SIM1 card power
PO
supply
DIO (U)SIM1 card data
DO (U)SIM1 card clock
DO (U)SIM1 card reset
DI (U)SIM card
LTE Standard Module Series
DC Characteristics Comment
I max = 50 mA
O
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 = 2.7 V
For 1.8 V (U)SIM:
V max = 0.6 V
IL
V min = 1.2 V
IH
V max = 0.45 V
OL
V min = 1.35 V
OH
For 3.0 V (U)SIM:
V max =1.0 V
IL
V min = 1.95 V
IH
V max = 0.45 V
OL
V min = 2.55 V
OH
For 1.8 V (U)SIM:
V max = 0.45 V
OL
V min = 1.35 V
OH
For 3.0 V (U)SIM:
V max = 0.45 V
OL
V min = 2.55 V
OH
For 1.8 V (U)SIM:
V max = 0.45 V
OL
V min = 1.35 V
OH
For 3.0 V (U)SIM:
V max = 0.45 V
OL
V min = 2.55 V
OH
V min = -0.3 V
IL
unused, keep it open.
Connect to the GND
of (U)SIM card
connector.
Either 1.8 V or 3.0 V
can be recognized by
the module
automatically.
1.8 V power domain.
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