ZS3L Datasheet
Hangzhou Tuya Information Technology Co., Ltd.
7
V1.0.1
Pin No.
Symbol
I/O Type
Function
the internal IC
6
PA03
I/O
Hardware PWM pin, which is connected to PA03 (pin 20) on
the internal IC
7
PA04
I/O
Hardware PWM pin, which is connected to PA04 (pin 21) on
the internal IC
8
3V3
P
Power supply pin (typical power supply voltage: 3.3 V)
9
GND
P
Power supply reference ground pin
10
PD01
I/O
Hardware PWM pin, which is connected to PD01 (pin 31) on
the internal IC
11
PD00
I/O
Hardware PWM pin, which is connected to PD00 (pin 32) on
the internal IC
12
PC02
I/O
Hardware PWM pin, which is connected to PC02 (pin 3) on
the internal IC
13
PB00
I/O
Hardware PWM pin, which is connected to PB00 (pin 16) on
the internal IC
14
PB01
I/O
Hardware PWM pin, which is connected to PB01 (pin 15) on
the internal IC
15
RXD
I/O
UART_RXD, which is connected to PA06 (pin 23) on the
internal IC
16
TXD
Input
UART_TXD, which is connected to PA05 (pin 22) on the
internal IC
Note:
P
indicates a power supply pin, and
I/O
indicates an input/output pin.
2.3 Test Pin Definition
Table 2-2 ZS3L test pins
Pin No.
Symbol
I/O Type
Function
17
3V3
P
Power supply pin (typical power supply voltage: 3.3 V)
18
SWDIO
I/O
J-Link SWDIO programming pin
19
SWCLK
I/O
J-Link SWCLK programming pin
20
GND1
P
Power supply reference ground pin
21
RST2
I/O
Hardware reset pin, which is at a high level by default
and is active at a low level