Product Manual

WB8P Datesheet
7
Table 2-1 WB8P interface pins
Pin
No.
Symbol
I/O
Type
Function
1
VCC
P
Power supply pin (3.3 V)
2
GND
P
Power supply reference ground pin
3
PWM1
I/O
Common I/O pin, which can be used as a
hardware PWM pin and is connected to the P7 pin
on the internal IC
4
PWM2
I/O
Common I/O pin, which can be used as a
hardware PWM pin and is connected to the P8 pin
on the internal IC
5
PWM3
I/O
Common I/O pin, which can be used as a
hardware PWM pin and is connected to the P9 pin
on the internal IC
6
PWM4
I/O
Common I/O pin, which can be used as a
hardware PWM pin and is connected to the P24
pin on the internal IC
7
PWM5
I/O
Common I/O pin, which can be used as a
hardware PWM pin and is connected to the P26
pin on the internal IC
8
ADC
AI
ADC pin, which is connected to the P23 pin on the
internal IC
9
TXD1
I/O
UART1_TXD, which is used as a user-side serial
interface pin and connected to the P11 pin on the
internal IC
10
RXD1
I/O
UART1_RXD, which is used as a user-side serial
interface pin and connected to the P10 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. CEN is only a hardware reset pin and cannot clear the Wi-Fi network configuration.
2.3 Test Pin Definition
Table 2-2 WB8P test pins
Pin No.
Symbol
I/O Type
Function
TP5
SO
I/O
Data output pin when data is downloaded from