Quectel EC200T Series

LTE Standard Module Series
EC200T Series Hardware Design
EC200T_Series_Hardware_Design 23 / 90
(U)SIM Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
USIM_GND 10
Specified ground for
(U)SIM
Connect (U)SIM card
connector GND.
USIM_DET 13 DI
(U)SIM card hot-plug
detect
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep it
open.
USIM_VDD 14 PO
(U)SIM card power
supply
I
O
max = 50 mA
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
Either 1.8 V or 3.0 V
(U)SIM card is
supported and can
be identified
automatically by the
module.
USIM_DATA 15 IO (U)SIM card data
For 1.8 V (U)SIM:
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
OL
max = 0.45 V
V
OH
min = 1.35 V
For 3.0 V (U)SIM:
V
IL
max = 1.0 V
V
IH
min = 1.95 V
V
OL
max = 0.45 V
V
OH
min = 2.55 V
USIM_CLK 16 DO (U)SIM card clock
For 1.8 V (U)SIM:
V
OL
max = 0.45 V
V
OH
min = 1.35 V
For 3.0 V (U)SIM:
V
OL
max = 0.45 V
V
OH
min = 2.55 V
USIM_RST 17 DO (U)SIM card reset
For 1.8 V (U)SIM:
V
OL
max = 0.45 V
V
OH
min = 1.35 V
For 3.0 V (U)SIM:
V
OL
max = 0.45 V
V
OH
min = 2.55 V