The Dimensions of WIFI Module USR-C216

The Dimensions of WIFI Module USR-C216 

 

Unit: mm

The Dimensions of WIFI Module USR-C216

The Dimensions of WIFI Module USR-C216 02

Pin

Name

Signal type

Introduction

1

GPIO1

NC

NC

2

GPIO2

NC

NC
3

GPIO3

I/O

GPIO, do not support

4

GPIO4

I/O

GPIO, do not support
5

UART0_ TX

O

TX of UART

6

UART0_ RX

I

RX of UART

7

UART0_ CTS

I

CTS of UART 

8

UART0_ RTS

O

RTS of UART

9

SPI_IRQ

O

485 Control pin, after disabled 485 function presents high resistance state, enable 485 function, the default is low level; when serial port has data transmission, temporary switch to high level

10

nReset

I

Module reset, low level effective, pull down at least 100 ms

11

nReady

O

Module works normally with indication pin, low efficiency, external LED

12

nReload

I

Pull down 0.5-3 seconds to start Simple Config distribution network. Pull down more than 3 seconds to restore factory settings.

13

nLink

O

Module WiFi Connection Indicator Pin, Low Effective, External LED

14

WPS

I/O

WPS function pin, do not support

15

VCC

P

3.3V

16

GND

P

ground

17

RFIO

O

Radio Frequency Signal Output