Specifications

Beijing Winner Microelectronics Co., Ltd.
3
Energy Conservation
PS-POLL/Standby
Network Protocol
TCP/UDP/ARP/ICMP/DHCP/DNS/HTTP
Interface Protocol
AT+Command
4 Interface
IOT2S module is shown in Figure 4-1
Figure 4-1 IOT2S
Table 4-1 PIN Description
No.
Name
Type
Default Function
Note
1
3V3
P
Power Pin
2
PB17
I/O
GPIO_B17
PWM_2
3
GND
P
GND
4
PB16
I/O
GPIO_B16
PWM_3
5
RX1
I/O
UART1_RX
6
PB15
I/O
GPIO_B15
PWM_4
7
TX1
I/O
UART1_TX
8
NC
9
PB14
I/O
GPIO_B14
10
RST
I/O
Hardware Reset
11
PB13
I/O
GPIO_B13