Product Manual
Table Of Contents
Hangzhou Tuya Information
Technology Co., Ltd.
6
V1.0.0
2.2 Interface Pin Definition
Table 2-1 BT8P interface pins
Pin No.
Symbol
I/O Type
Function
1
3V3
P
Power supply pin (3.3 V)
2
GND
P
Power supply reference ground pin
3
TL_D2
I/O
Common I/O pin, which can be used as a PWM
output of the LED drive and is connected to the
TL_D2 pin on the internal IC
4
TL_C3
I/O
Common I/O pin, which can be used as a PWM
output of the LED drive and is connected to the
TL_C3 pin on the internal IC
5
TL_C2
I/O
Common I/O pin, which can be used as a PWM
output of the LED drive and is connected to the
TL_C2 pin on the internal IC
6
TL_B4
I/O
Common I/O pin, which can be used as a PWM
output of the LED drive and is connected to the
TL_B4 pin on the internal IC
7
TL_B5
I/O
Common I/O pin, which can be used as a PWM
output of the LED drive and is connected to the
TL_B5 pin on the internal IC
8
TL_C4
Input
ADC pin, which is connected to the TL_C4 pin on
the internal IC
9
TL_B1
I/O
Serial interface transmission pin (UART TX), which
is connected to the TL_B1 pin on the internal IC
10
TL_B7
I/O
Serial interface receiving pin (UART RX), which is
connected to the TL_B7 pin on the internal IC
Note:
1. P indicates power supply pins, and I/O indicates input/output pins.
2. If you have special requirements for light colors controlled by PWM outputs, contact
Tuya business personnel.