Product Info

Automotive Module Series
AG521R-NA QuecOpen Hardware Design
AG521R-NA_QuecOpen_Hardware_Design 24 / 104
I
O
max = 50 mA
USIM2_DATA
257
IO
(U)SIM2 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.
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 (-)