Tuya Inc.
V2.0.0
Pin No.
Symbol
I/O Type
Function
3
NC
N/A
NC pin. External processing is not required.
4
GPIO0
I/O
Used as a GPIO. It corresponds to the PA3 pin on
the internal IC.
5
SWO
I/O
Used as a GPIO or an output pin in J-Link
communication state. It corresponds to the PF2 pin
on the internal IC.
6
PWM3
I/O
Used as a GPIO. It corresponds to the PF4 pin on
the internal IC.
7
PWM1
I/O
Used as a GPIO. It corresponds to the PF5 pin on
the internal IC.
8
VCC
P
Power supply pin. The typical power supply voltage
is 3.3 V.
9
GND
P
Reference ground pin.
10
GPIO2
I/O
Used as a GPIO. It corresponds to the PA5 pin on
the internal IC.
11
SWDIO
I/O
J-Link SWDIO programming pin. It can be used as a
GPIO in common application programs.
12
SWCLK
I/O
J-Link SWCLK programming pin. It can be used as a
GPIO in common application programs,
corresponding to the PF0 pin on the internal IC.
13
PWM2
I/O
Used as a GPIO. It corresponds to the PA2 pin on
the internal IC.
14
GPIO3
I/O
Used as a GPIO. It corresponds to the PD15 pin on
the internal IC.
15
RXD
I/O
UART0_RXD. It corresponds to the PA1 pin on the
internal IC.
16
TXD
Output
UART0_TXD. It corresponds to the PA0 pin on the
internal IC.
Note:
1.
P
indicates power supply pins,
I/O
indicates input/output pins, and
AI
indicates analog
input pins.
2. nRST is only a hardware reset pin. It cannot clear the Zigbee network configuration
