TUYA WBR3L - Page 8

3 MODULE INTERFACES
Pin Number Symbol I/O Type Function
10 A_12 I/O GPIOA_12,
hardware PWM, IC
Pin 26
11 A_16 I/O GPIOA_16,
UART_Log_TXD,
which is used for
displaying the
module internal
information and
can be configured
as a common
GPIO
12 A_17 I/O GPIOA_17,
hardware PWM, IC
Pin 38
13 A_18 I/O GPIOA_18,
hardware PWM, IC
Pin 39
14 A_19 I/O GPIOA_19,
hardware PWM, IC
Pin 40
15 RXD I/O GPIOA_13,
UART0_RXD,
which is used as a
user-side serial
interface pin
16 TXD I/O GPIOA_14,
UART0_TXD,
which is used as a
user-side serial
interface pin
Note: P indicates power supply pins and I/O indicates input/output pins.
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