Wi-Fi&BT Module Series
AF50T Hardware Design
AF50T_Hardware_Design 15 / 52
3.3. Pin Description
The following tables show the pin description of AF50T module.
Table 2: I/O Parameters Definition
Table 3: Pin Description
Type
Description
AI
Analog Input
AO
Analog Output
DI
Digital Input
DO
Digital Output
IO
Bidirectional
PI
Power Input
Power Supply
Pin Name
Pin
No.
I/O
Description
DC Characteristics
Comment
VDD_CORE_
VL
1, 2,
47
PI
Voltage for core, low
voltage
Vmin = 0.9 V
Vnorm = 0.95 V
Vmax = 1.05 V
It must be provided
with sufficient current
up to 1.7 A.
VDD_CORE_
VM
45
PI
Voltage for core, mid
voltage
Vmin = 1.28 V
Vnorm = 1.35 V
Vmax = 1.42 V
It must be provided
with sufficient current
up to 0.4 A.
VDD_CORE_
VH
46
PI
Voltage for core,
high voltage
Vmin = 1.85 V
Vnorm = 1.9 V
Vmax = 2.0 V
It must be provided
with sufficient current
up to 0.4 A.
VDD_IO
43
PI
Power supply for the
module’s I/O pins
Vmin = 1.71 V
Vnorm = 1.8 V
Vmax = 1.89 V
It must be provided
with sufficient current
up to 50 mA.
VDD_RF
19, 20,
63
PI
Power supply for the
module’s RF part
Vmin = 3.3 V
Vnorm = 3.85 V
Vmax = 4.25 V
It must be provided
with sufficient current
up to 1.3 A.
GND
6, 24, 26, 27, 29, 30, 31, 32, 34, 44, 51, 66, 67, 69, 70, 74, 75, 85
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