Wi-Fi&Bluetooth Module Series
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Table 19: XTAL_IN/OUT Parameter Definition
3.6.3. GPIOs
GPIO1/GPIO2 are function configuration pins, which can be used to enter JTAG mode. If you need,
please contact Quectel Technical Supports.
Table 20: Pin Definition of GPIOs
Parameter
Min
Typ.
Max
Unit
Frequency
-
26
-
MHz
load capacitance
-
12
-
pF
ESR
-
60
-
Ω
Drive level
200
-
-
μW
Frequency tolerance Initial
+ over temperature
-20
-
20
ppm
Pin Name
Pin No.
I/O
Description
Comment
GPIO1
40
DIO
General-purpose input/output
VDDIO power domain.
GPIO2
39
DIO
General-purpose input/output