Quectel QuecOpen AG525R-GL

Automotive Module Series
AG525R-GL QuecOpen
Hardware Design
AG525R-GL_QuecOpen_Hardware_Design 25 / 104
For 3.0 V (U)SIM:
Vmax = 3.05 V
Vmin = 2.7 V
If unused, keep it
open.
USIM1_DATA 254 IO (U)SIM1 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 = 1.44 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 = 2.28 V
If unused, keep it
open.
USIM1_CLK 253 DO
(U)SIM1 card
clock
For 1.8 V (U)SIM:
V
OL
max = 0.4 V
V
OH
min = 1.44 V
For 3.0 V (U)SIM:
V
OL
max = 0.4 V
V
OH
min = 2.28 V
If unused, keep it
open.
USIM1_RST 250 DO (U)SIM1 card reset
For 1.8 V (U)SIM:
V
OL
max = 0.4 V
V
OH
min = 1.44 V
For 3.0 V (U)SIM:
V
OL
max = 0.4 V
V
OH
min = 2.28 V
If unused, keep it
open.
USIM1_DET 255 DI
(U)SIM1 card
hot-plug detect
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
1.8 V power domain.
If unused, keep it
open.
USIM2_VDD 256 PO
(U)SIM2 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 = 2.7 V
I
O
max = 50 mA
Either 1.8 V or 3.0 V
is supported by the
module
automatically.
If unused, keep it
open.
USIM2_DATA 257 IO (U)SIM2 card data
For 1.8 V (U)SIM:
V
IL
max = 0.36 V
If unused, keep it
open.