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USR IOT USR-C321 User Manual

USR IOT USR-C321 User Manual

Low power minisize wifi module
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Low
Low
Power
Power
Low
Low Power
Power Minisize
- - - -
Support Wi-Fi@2.4 GHz 802.11 b/g/n wireless standards
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Support WEP、WPA/WPA2 security mode
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Support AP/STA working mode
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Based on ARM Cortex-M4 kernel running frequency of 80 MHZ
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Fully integrated serial port turn wireless TCP/UDP transmission function,the rate of serial
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port up to 3M bps
Support 485 Control
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Search in local area network (LAN) and wireless parameters setting function
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Support TCP/UDP Client registered packet mechanism
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Support Simplelink/usrlink Networking configuration
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Support custom web function
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Support similar RFC2217 automatic baud rate adaptation function
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Support AT+ simple instruction set configuration
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Single 3.3 V power supply
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Ultra low power mode, support deep dormancy
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Support Internal/External(I-PEX) Antenna Option
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Minisize:18.22mm*26.65mm*2.8mm SMT
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FCC/CE Certificated
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USR-C321 Low Power
Minisize
USR-C32
USR-C321 1 1 1
USR-C32
USR-C32
Minisize
Minisize
WiFi
WiFi
Minisize WiFi
WiFi Module
V1.
V1.1 1 1 1
V1.
V1.
1 1 1 1 / 41 41 41 41
WiFi Module User Manual
Module
Module
User
User
Module User
User Manual
www.usr.so
Manual
Manual
Manual

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  • Page 1 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so USR-C32 USR-C321 1 1 1 USR-C32 USR-C32 Power Power Minisize Minisize WiFi WiFi Module Module User User Manual Manual Low Power Power Minisize Minisize WiFi WiFi Module Module User User Manual...

  • Page 2: Table Of Contents

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so Catalogue Catalogue Catalogue Catalogue 1 1 1 1 、 、 、 、 Module Module Module Module Overview Overview Overview Overview.................................................... 3 3 3 3 .................................................... 1.1 Module Module Module...

  • Page 3: Module Module Overview Overview

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 1 1 1 1 、 、 、 、 Module Module Module Overview Overview Module Overview Overview 1.1 Module Module Module Module Overview Overview Overview Overview USR - C321 is a low-cost module of the series wifi module C32x.The module is a low-power 802.11 b/g/n modules that design for achieving the application of the embedded system,...

  • Page 4: Product Product Product Feature Feature Feature

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so Single 3.3 V power supply � Ultra low power mode, support deep dormancy � Support Internal/External(I-PEX) Antenna Option � Minisize:18.22mm*26.65mm*2.8mm SMT � � � � � FCC/CE Certificated Product Feature 1.3 Product...

  • Page 5: Application Application Application Area Area Area

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 1.4 Application Application Application Application Area Area Area Area � Cloud Connected � Home Automation � Household Appliances � Access Control � Security and Protection System � Smart Energy � Industrial Control �...

  • Page 6: Pin Pin Pin Definitions Definitions Definitions

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 2 2 2 2 、 、 、 、 Hardware Hardware Hardware Description Description Hardware Description Description 2.1 Pin Pin Definitions Definitions Definitions Definitions The module pin Net Name Functional Description GPIO...

  • Page 7: Antenna Antenna Antenna Shows Shows Shows

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so VDD_ANA2 RF Power input pin, please connect + 3.3 V GPIO General GPIO GPIO General GPIO UART TX UART TX for module UART RX UART RX for module Down 1-3 Seconds start simplelink setting.

  • Page 8: Size Size Size And And And Layout Layout Layout Recommendations Recommendations Recommendations

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so Internal Antenna External:I-PEX Size Size Layout Layout Recommendations Recommendations 2.3 Size Size and and Layout Layout Recommendations Recommendations Advise PCB Footprint: Cloth plate specification: Internal Antenna Customers to use the internal antenna, the need to abide by the following...

  • Page 9: The The The Hardware Hardware Hardware Circuit Circuit Circuit Design Design Design Reference Reference Reference

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so placed components and GND. � Antennas away from the metal, at least distance with high components around more than 10 mm; � Antenna part cannot be metal shell, plastic shell need at least more than 10 mm away from the antenna;...
  • Page 10 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 10 10 10 10 / 41 41 41 41...

  • Page 11: Product Product Function Function Function

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 3 3 3 3 、 、 、 、 Product Product Product Function Function Product Function Function 3.1 Work Work Work Work Mode Mode Mode Mode Module consists of two work modes: translate mode and command mode �...

  • Page 12: Wireless Wireless Wireless Network Network Network Mode Mode Mode

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so set up by the AT + UARTTE), argues that the end of a frame, or has been receiving data, in command mode is greater than 1 k bytes are discarded the received data, in translate mode is greater than 1 k bytes are sent packing.

  • Page 13: Communication

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so < < < < note note note note > > > > : module in AP mode, can support only 1 STA access devices. 3.2.3 3.2.3 3.2.3 3.2.3 Encryption Encryption Encryption...

  • Page 14: Custom Custom Custom Web Web Web Function Function Function

    USR-C322 support Custom web function. User can modify the web page content or add your own web page. Please refer to the specific implementation method " reference :USR-C321 customed web function ". 3. 3. 3. 3.5 5 5 5 Search...

  • Page 15: Tcp/Udp Tcp/Udp

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 3. Users can through the network to the port to send AT commands to set up and read the module working state, the AT command format with a serial port the AT command.
  • Page 16 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so Command type, 0x01 check Sum of bytes from head (not contained) byte to check byte (not contained). Response for searching Name Num of Bytes Description head fixed value:0xFF length Sum of data bytes from length bytes to check byte(not contain length bytes and check byte).
  • Page 17 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so Explanation: The phone PDA send searching command to module, the response from module is: SSID of router1 is “TEST1”, signal strength of router1 is 64%; SSID of router2 is “TEST2”, signal strength of router2 is 55%.

  • Page 18: Configuration

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so check byte (not contained). Example: Data from phone PDA to module (HEX): FF 00 0F 02 00 54 45 53 54 31 0D 0A 31 32 33 34 35 36 CE...

  • Page 19: Sleep Sleep Sleep Mode Mode Mode Introduction Introduction Introduction

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so designation Header Data bit Check length(bytes) Different bits to reduce baud rate value, represent different Sum of the explain misjudg high in the former meanings, see front four ment table Example...
  • Page 20 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 3. 3. 3. 3.10 10.1 .1 .1 .1 Mode Mode Introduction Mode Mode Introduction Introduction Introduction Mode Mode Mode Mode 0: 0: 0: 0: Active Active Active Active Mode Mode Mode Mode The Active mode, the system clock is 80 MHZ.

  • Page 21: Parameter Parameter Setting Setting

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so � 32.768Khz The difference between all modules, low power consumption mode is as follows: � Wake up the response time: from mode 0 to 4, wake up the response time increases gradually.
  • Page 22 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so admin 4.1.2 4.1.2 4.1.2 4.1.2 Open Open Open Open Management Management Management Management Web Web Page Page Page Page Link with PC wireless card first, after waiting for connection is good, open the IE browser, in the address bar enter 192.168.1.1, carriage return, the login page, the default login as admin,...
  • Page 23 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so Setting module in AP mode SSID and password (AP mode password for 8-63), encryption mode is WPA2PSK by default mode, click save Settings, restart to take effect. STA Parameter Setting: Setting module in the STA mode needs to connect AP SSID and password (adaptive encryption module), DHCP is enabled.
  • Page 24 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so Transparent transmission mode, the socket protocol, the server address and port. 4） Extra Function Transparent transmission mode, the socket protocol, the server address and port. 24 24 24 24 / 41 41 41 41...
  • Page 25 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 5） Account Set: Account management can set the user name and password login page, the length must be 5 bytes, click save Settings, restart to take effect. 25 25 25 25 / 41 41 41 41...
  • Page 26 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 6） Reload Restar: This page includes the module to the factory state and restart the module function. 26 26 26 26 / 41 41 41 41...
  • Page 27 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 7） About USR: This page is a simple introduction of Jinan USR IOT Technology Limited 27 27 27 27 / 41 41 41 41...
  • Page 28 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 4.2 AT+ AT+ Commands Commands Commands Commands Configuration Configuration Configuration Configuration AT+ Instruction refers to，in command mode user by module with UART and SPI command set of instructions, behind will detail the use of AT + instruction format.
  • Page 29 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so explain explain < explain explain >In the input "+ + +" and "the code" a ", no echo, as shown in the above. Input "+ + +" and "a" needs to be done in a certain period of time, in order to reduce the probability of normal work, wrongly into command mode.

  • Page 30: Error Code

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so <CR>:ASCII 0x0d; <LF>:ASCII 0x0a; � Error Code error code table Error Error Error Error Code Code Code Code Description Description Description Description Invalid Command Format Invalid Command Invalid Operation Symbol Invalid Parameter Operation Not Permitted 4.2.2...
  • Page 31 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so UARTTE Set/query a serial port free framing intervals SLPTYPE Set the sleep mode 1) AT+ENTM � Function:Exit the command mode, enter the translate mode; � Format: � Set AT+ENTM<CR> AT+ENTM<CR> AT+ENTM<CR>...
  • Page 32 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so � Set AT+ RELD<CR> RELD<CR> RELD<CR> RELD<CR> <CR><LF>+OK=REBOOTING <CR><LF>+OK=REBOOTING <CR><LF>+OK=REBOOTING <CR><LF>+OK=REBOOTING… … … … <CR><LF> <CR><LF> <CR><LF> <CR><LF> � Parameters:none The command module configuration parameters restore to the user factory Settings, and then restart automatically.
  • Page 33 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so AT+ PLANG PLANG PLANG PLANG =< =< =< =< language language language language ><CR> ><CR> ><CR> ><CR> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> � Parameters: � language:CN/EN，CN said landing page default display in Chinese; EN said landing page when the default display in English.
  • Page 34 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so � Query AT+WSCAN<CR> AT+WSCAN<CR> AT+WSCAN<CR> AT+WSCAN<CR> <CR><LF>+OK=<LF><CR>SSID,BSSID,Security,Indicator<LF><CR><ap_s <CR><LF>+OK=<LF><CR>SSID,BSSID,Security,Indicator<LF><CR><ap_s <CR><LF>+OK=<LF><CR>SSID,BSSID,Security,Indicator<LF><CR><ap_s <CR><LF>+OK=<LF><CR>SSID,BSSID,Security,Indicator<LF><CR><ap_s ite_1><LF><CR><ap_site_2><LF><CR><ap_site_3><LF><CR> ite_1><LF><CR><ap_site_2><LF><CR><ap_site_3><LF><CR> ite_1><LF><CR><ap_site_2><LF><CR><ap_site_3><LF><CR> ite_1><LF><CR><ap_site_2><LF><CR><ap_site_3><LF><CR>… … … … <ap_site_ <ap_site_ <ap_site_ <ap_site_ N><CR><LF> N><CR><LF> N><CR><LF> N><CR><LF> � Parameters: � SSID:SSID � BSSID: MAC（11:22:33:44:AA:BB）...
  • Page 35 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so <CR><LF>+OK=<mode,address,mask,gateway,dns <CR><LF>+OK=<mode,address,mask,gateway,dns <CR><LF>+OK=<mode,address,mask,gateway,dns <CR><LF>+OK=<mode,address,mask,gateway,dns ><CR><LF> ><CR><LF> ><CR><LF> ><CR><LF> � Set AT+WANN=<mode,address,mask,gateway,dns AT+WANN=<mode,address,mask,gateway,dns AT+WANN=<mode,address,mask,gateway,dns AT+WANN=<mode,address,mask,gateway,dns ><CR> ><CR> ><CR> ><CR> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> � Parameters: � mode:Network IP mode � static:static IP �...
  • Page 36 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so <CR><LF>+OK=<NUM><CR><LF> <CR><LF>+OK=<NUM><CR><LF> <CR><LF>+OK=<NUM><CR><LF> <CR><LF>+OK=<NUM><CR><LF> � Set AT+ CHANNEL CHANNEL CHANNEL CHANNEL =<NUM><CR> =<NUM><CR> =<NUM><CR> =<NUM><CR> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> � Parameters: � NUM:channel 1-11. 20) AT+SOCKA � Function:Set/query network protocol parameters �...
  • Page 37 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so � Function:Set the query registration packet mechanism � Format: � Query AT+REGENA<CR> AT+REGENA<CR> AT+REGENA<CR> AT+REGENA<CR> <CR><LF>+OK=< <CR><LF>+OK=< <CR><LF>+OK=< <CR><LF>+OK=< status status status status，method><CR><LF> method><CR><LF> method><CR><LF> method><CR><LF> � Set AT+REGENA AT+REGENA AT+REGENA AT+REGENA =<...
  • Page 38 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so � Format: � Query : AT+UART<CR> AT+UART<CR> AT+UART<CR> AT+UART<CR> <CR><LF>+OK=<baudrate,data_bits,stop_bit,parity,flowctrl><CR><LF> <CR><LF>+OK=<baudrate,data_bits,stop_bit,parity,flowctrl><CR><LF> <CR><LF>+OK=<baudrate,data_bits,stop_bit,parity,flowctrl><CR><LF> <CR><LF>+OK=<baudrate,data_bits,stop_bit,parity,flowctrl><CR><LF> � Set: AT+UART=<baudrate,data_bits,stop_bit,parity,flowctrl><CR> AT+UART=<baudrate,data_bits,stop_bit,parity,flowctrl><CR> AT+UART=<baudrate,data_bits,stop_bit,parity,flowctrl><CR> AT+UART=<baudrate,data_bits,stop_bit,parity,flowctrl><CR> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> � Parameters: � baudrate: � 300-3000000 bit/s, � data_bits:5 – 8 bits �...
  • Page 39 USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so <CR><LF>+OK=<MODE,TIME><CR><LF> <CR><LF>+OK=<MODE,TIME><CR><LF> <CR><LF>+OK=<MODE,TIME><CR><LF> <CR><LF>+OK=<MODE,TIME><CR><LF> � Set AT+ SLPTYPE=<MODE,TIME><CR> SLPTYPE=<MODE,TIME><CR> SLPTYPE=<MODE,TIME><CR> SLPTYPE=<MODE,TIME><CR> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> <CR><LF>+OK<CR><LF> � Parameters: � MODE:0-4; 0 no sleep mode for setting module (default); 1 set the module to sleep mode;...

  • Page 40: 5 5 5 、 、 、 、 Service

    USR-C321 Low Power Minisize WiFi Module User Manual www.usr.so 5 5 5 5 、 、 、 、 service service service support support service and and support support If you have problems when use the module,you can submit the question to http://h.usriot.com...
  • Page 41 ----------------------------------------------------------------------------------- Appendix B: Disclaimer This document provides information about USR-C321 modules, this document does not grant any license to intellectual property rights. Except the responsibility declared in the product sale clause, USR does not assume any other responsibilities. In addition, USR...

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