Quectel EG915U-EU Manual page 20

(U)SIM Interface
Pin Name Pin No.
USIM1_VDD 43
USIM1_DATA 45
USIM1_CLK 46
USIM1_RST 44
EG915U-EU_Hardware_Design
I/O Description
(U)SIM1 card power
PO
supply
DIO (U)SIM1 card data
DO (U)SIM1 card clock
DO (U)SIM1 card reset
LTE Standard Module Series
DC
Comment
Characteristics
I max = 50 mA
O
For 1.8 V Either 1.8 V or
(U)SIM: 3.0 V (U)SIM
Vmax = 1.9 V card is
Vmin = 1.7 V supported and
can be identified
For 3.0 V automatically by
(U)SIM: the module.
Vmax = 3.05 V
Vmin = 2.7 V
For 1.8 V
(U)SIM:
V max = 0.6 V
IL
V min = 1.26 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:
19 / 81