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Pin Name
Pin No.
USB_BOOT
83
BT_EN
66
DR_SYNC
95
IMU_INT1
169
IMU_INT2
187
IMU_PWR_EN
181
WLAN Interface
Pin Name
Pin No.
WLAN_PWR_
225
EN2
WLAN_PWR_
222
EN1
WLAN_EN
228
COEX_UART_
67
RXD
COEX_UART_
69
TXD
WLAN_SLP_
231
CLK
RF Antenna Interfaces
AG521R-NA_QuecOpen_Hardware_Design
I/O
Description
Force the module into
DI
emergency download
mode
BT function enable
DO
control
Navigation 1PPS time
DO
sync output
DI
IMU interrupt 1
DI
IMU interrupt 2
IMU power enable
DO
control
I/O
Description
WLAN power supply
DO
enable control 2
WLAN power supply
DO
enable control 1
DO
WLAN enable
LTE&WLAN/BT
DI
coexistence receive
LTE&WLAN/BT
DO
coexistence transmit
DO
WLAN sleep clock
Automotive Module Series
AG521R-NA QuecOpen Hardware Design
DC
Comment
Characteristics
1.8 V power domain.
If unused, keep it
V
max = 0.45 V
OL
open.
V
min = 1.35 V
OH
V
max = 0.45 V
OL
V
min = 1.35 V
OH
V
min = -0.3 V
IL
V
max = 0.63 V
IL
V
min = 1.17 V
IH
1.8 V power domain.
V
max = 2.1 V
IH
Can be configured to
V
min = -0.3 V
IL
GPIOs.
V
max = 0.63 V
IL
If unused, keep them
V
min = 1.17 V
IH
open.
V
max = 2.1 V
IH
V
max = 0.45 V
OL
V
min = 1.35 V
OH
DC
Comment
Characteristics
V
max = 0.45 V
OL
V
min = 1.35 V
OH
1.8 V power domain.
V
max = 0.45 V
OL
If unused, keep them
V
min = 1.35 V
OH
open.
V
max = 0.45 V
OL
V
min = 1.35 V
OH
V
min = -0.3 V
IL
V
max = 0.63 V
IL
V
min = 1.17 V
IH
V
max = 2.1 V
IH
1.8 V power domain.
V
max = 0.45 V
OL
If unused, keep them
V
min = 1.35 V
OH
open.
V
max = 0.45 V
OL
V
min = 1.35 V
OH
31 / 104
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