Product Manual
BT3L Datasheet
8
Pin
No.
Symbol
I/O
Type
Function
12
TL_A0
I/O
GPIO, which is connected to pin 3 on the IC
13
TL_B4
I/O
Common I/O, which can be used as a PWM
output of the LED drive and is connected to pin 14
on the IC
14
TL_B5
I/O
Common I/O, which can be used as a PWM
output of the LED drive and is connected to pin 15
on the IC
15
TL_B7
I/O
Serial interface receiving pin (UART RX), which is
connected to pin 17 on the IC
16
TL_B1
I/O
Serial interface transmission pin (UART TX),
which is connected to pin 6 on the IC
Note:
1. P indicates power supply pins, I/O indicates input/output pins, and AI indicates analog
input pins.
2. If you have special requirements for light colors controlled by PWM outputs, contact
Tuya business personnel.