Quectel QuecOpen AG525R-GL

Automotive Module Series
AG525R-GL QuecOpen
Hardware Design
AG525R-GL_QuecOpen_Hardware_Design 26 / 104
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
USIM2_CLK 259 DO (U)SIM2 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.
USIM2_RST 260 DO (U)SIM2 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.
USIM2_DET 258 DI
(U)SIM2 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.
USB Interfaces
Pin Name Pin No. I/O Description
DC
Characteristics
Comment
USB_VBUS 84 DI
USB connection
detect
Vmax = 5.25 V
Vmin = 3.0 V
Vnorm = 5.0 V
USB_DP 85
AI/
AO
USB differential
data bus (+)
Compliant with USB
2.0 standard
specification.
Require differential
impedance of 90 Ω.
USB_DM 87
AI/
AO
USB differential
data bus (-)
USB_SS_TX_
P
93 AO
USB 3.0
super-speed
transmit (+)
Compliant with USB
3.0 standard
specification.
Require differential
impedance of 90 Ω.
USB_SS_TX_
M
91 AO
USB 3.0
super-speed