TUYA TCLWRQS1, Product Manual

Page: 6 / 14

TCLWRQS1 Datasheet
Hangzhou Tuya Information Technology Co., Ltd. 6 V2.0.0
2.2 Pin Definition
Table 1 describes the interface pins.
Table 1 TCLWRQS1 interface pins
No. Symbol I/O Type Function
1 Vin P Power supply pin 5v input
2 GND P Power supply reference ground pin
3 TXD I/O TX port, output 5V TTL
4 RXD I/O RX port, input 5V TTL
Note: P indicates power-supply pins, I/O indicates input and output pins.
2.3 Test Pin Definition
Table 2 describes the test pins.
Table 2 TCLWRQS1 test pins
No. Symbol I/O Type Function
1 3.3V P Internal 3.3V Power pin for downloading and authorizing
2 GND P Internal GND pin
3 UART_Rx
I/O
Used for authorization
4 UART_Tx I/O Used for authorization
5 Log_Tx
I/O
Log Tx
，
Used for debugging to print the log information
6 Log_Rx
I/O
Log Rx
，
Used for debugging to print the log information
7 - Used for RF test
Note: Test pins cannot be used.