Specifications

BTA3X Module Specification
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3. Module Pin Description
As the following figure shown, BTA3X has 52 stamp pins. Each pin number, pin type and supply is listed in the
following table.
#Pin
Net Name
Pin Type
Description
Alternative
1
GND
Ground
2
PIO1
Input/Output,
Digital
Programmable IO
AIO
3
PIO0
Input/Output,
Digital
Programmable IO
AIO
4
UART_RX
Input only,
Digital
UART RX
(Programming/Log output)
5
UART_TX
Output only
Digital
UART TX
(Programming/Log output)
6
PIO28
Input/Output,
Digital
Programmable IO
AIO
7
PIO29
Input/Output,
Digital
Programmable IO
AIO
8
PIO17
Input/Output,
Digital
Programmable IO
AIO
9
VCCIO
Supply,
1.55 3.3V
Power supply
for GPIO