Quectel FC64E, Hardware Design

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Wi-Fi&Bluetooth Module Series
FC64E_Hardware_Design 21 / 53
3.3. Pin Description
The following tables show the pin description of FC64E module.
Table 3: I/O Parameters Definition
Table 4: Pin Description
Type Description
AI Analog Input
AO Analog Input
AIO Analog Input/Output
DI Digital Input
DO Digital Output
PI Power Input
Power Supply
Pin Name Pin No. I/O Description DC Characteristics Comment
VDD_CORE_VL 51, 52 PI
Provide 0.95 V
for the module’s
main part Vmin = 0.9 V
Vnom = 0.95 V
Vmax = 1.0 V
VDD_CORE_VM 48 PI
Provide 1.35 V
for the module’s
main part Vmin = 1.3 V
Vnom = 1.35 V
Vmax = 1.42 V
VDD_CORE_VH 47 PI
Provide 1.95 V
for the module’s
main part Vmin = 1.85 V
Vnom = 1.95 V
Vmax = 2.05 V
VDD_IO 14 PI
Provide 1.8 V for
the module’s I/O
pins Vmin = 1.71 V
Vnom = 1.8 V
Vmax = 1.89 V
VDD_RF 24, 40 PI
Provide 2.2 V for
external RF
circuit Vmin = 1.9 V
Vnom = 2.2 V
Vmax = 2.4 V