Industrial-grade Serial to Wifi Wireless Module 232 Level Dual Internet Access RM04

No.

Description

1

VDD5V

A

5V Power input

2

GND

GND

Power ground

3

WLAN_LED

O

WIFI start indicator light

4

3.3V

I

3.3V power output

5

LINK1

I/O

internet access 1 LED

6

USB_P

USB signal

7

USB_M

USB signal

8

I2S_SD

I2C DATA/GPIO

9

I2S_CLK

I2C CLK/GPIO

10

GIOP0

I/O

Common GPIO

11

TXOP1

I/O

internet access1 TX-P

12

TXON1

I/O

internet access1 TX-N

13

RXIP2

I/O

internet access2 RX-P

14

RXIN2

I/O

internet access2 RX-N

15

RXIN1

I/O

internet access1 RX-P

16

RXIP1

I/O

internet access1 RX-P

17

TXON2

I/O

internet access2 TX-N

18

TXOP2

I/O

internet access2 TX-P

19

RTS_N

I

Overall function serial port RTS

20

UART_RX

I

Simple serial port RX

21

UART_TX

O

Simple serial port TX

22

RXD

I

Overall function serial port RX

23

LINK2

I/O

internet access2 LED指示I/O

24

CTS_N

O

Overall function serial port CTS

25

RIN

I

GPIO

26

TXD

O

Overall function serial port TX

27

1.8V

Power Out

internet access1.8V output

28

VDD5V

Power In

5V input