Product Info

Automotive Module Series
AG521R-NA QuecOpen Hardware Design
AG521R-NA_QuecOpen_Hardware_Design 20 / 104
Table 4: Pin Description
Power Supply
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
VBAT_BB
241, 242,
244
PI
Power supply for the
module’s baseband
part
Vmax = 4.3 V
Vmin = 3.3 V
Vnorm = 3.8 V
It must be provided
with sufficient current
up to 0.8 A.
VBAT_RF
109, 111,
112, 114
235, 236
238, 239
PI
Power supply for the
module’s RF part
Vmax = 4.3 V
Vmin = 3.3 V
Vnorm = 3.8 V
It must be provided
with sufficient current
up to 2 A.
VDD_EXT
68
PO
1.8 V output power
supply for external
circuits
Vnorm = 1.8 V
I
O
max = 50 mA
Power supply for
external GPIO’s pull up
circuits.
LDO_2P7
57
PO
Output power supply
for SD card
Vnorm = 2.95 V
If unused, keep it open.
VDD_WIFI_V
M
276
PO
Power supply for
Wi-Fi
Vnorm = 1.35 V
If unused, keep it open.
VDD_WIFI_VH
277
PO
Power supply for
Wi-Fi
Vnorm = 1.95 V
If unused, keep it open.
GND
12, 18, 26, 33, 42, 86, 92, 98, 115, 117, 118, 120, 121, 124–131, 133–135, 137, 138, 140,
141, 144–151, 153, 155, 156, 158, 159, 160, 162, 164, 165, 167, 168, 171–174, 176, 177,
180, 182, 183, 185, 186, 189, 191, 192, 194, 195, 198, 199, 201–203, 206, 208, 209, 211,
212, 215, 217, 218, 220, 221, 230, 232, 233, 234, 237, 240, 307–400
Turn on/off
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
PWRKEY
7
DI
Turn on/off the
module
V
IH
max = 1.89 V
V
IH
min = 1.17 V
V
IL
max = 0.63 V
Internally pulled up to
1.8 V.
Active low.
PON_1
248
DI
Pulling it high will
turn on the module
automatically
Valid trigger range:
0.78–1.89 V.
Active high
RESET
8
DI
Reset the module
V
IH
max = 1.89 V
V
IH
min = 1.17 V
V
IL
max = 0.63 V
Internally pulled up to
1.8 V.
Active low.
(U)SIM Interfaces
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment