TI CC3200 Tiny Embedded Serial to WiFi Module Web Server and SSL Client

USR-C322/$11.80 In stock


  • Chip: TI CC 3200
  • Size: 18.22mm*26.65mm*2.8mm
  • Power: DC 3.0 ~ 3.6 V
  • Interface: 2*TTL (SMT type). UART 1 :TX/RX/RTS/CTS
  • Ultra-low power: Working : Min 3.5mA; Deep Sleep : Min 25uA
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Introduction (TI CC3200 Embedded Serial UART to WiFi Module )
USR-C322 Embedded Serial to WiFi module is based on TI CC3200 chip, which has industrial ARM Cortex-M4 core and ultra-low power consumption mechanism. The wireless module is used for data transparent transmission between serial over WiFi network. It can connect the UART devices to Internet with simple configuration. Easy to use, do not need drivers.

Features (TI CC3200 Embedded Serial UART to WiFi Module )

  • Support Wi-Fi@2.4 GHz 802.11 b/g/n wireless standards
  • Web-based configuration and AT command configuration
  • Standard TCP/IP interface and versatile TCP and UDP operation modes
  • Simplelink /usrlink networking: one click access to WiFi
  • User defined webpage and web Server
  • High-speed UART: Max baud rate of 3Mbps
  • HTTPD Client: send data as HTTP format automatically
  • Support WEP, WPA/WPA2 security mode, PC1 Encrypt and SSL Client Encrypt
  • TCP/UDP Client registration packet mechanism
  • Support AP/STA working mode
  • Ultra-low power:  Working : Min 3.5mA; Deep Sleep : Min 25uA
  •  Two UARTs  and Three TCP links.
  • Support websocket function
  • Support flow control RTS/CTS
  • The Max TCP Client connection is 3 in TCP Mode. The Max STA connection is in AP Mode
  • The Max transmission distance is 310m  with 3DBI antenna  and the Max transmission distance is 180m  with internal antenna under open horizon .

Configuration method: ( Manual P30)
1) AT command configuration.
2) Web-based configuration: default IP: Name and Password: admin
Factory Setting:
1) Hardware reset: Pull down nReload Pin (Pin 21) for 3 seconds or more
2) Software reset: Enter AT command mode, use AT command AT+RELD.

Application (TI CC3200 Embedded Serial UART to WiFi Module )

  • WiFi Internet radio, camera, digital photo frame
  • Medical instrument, data acquisition, handheld device
  • WiFi fatness testing machine, smart card terminal, Smart Home
  • Instrument, equipment parameter monitoring, wireless POS machine
  • Modern agriculture, military field and other wireless related secondary development application

Basic Information
Size26.6 x 18.2 x 2.8 mm
PackageSMT Type
Working VoltageDC 3 ~ 3.6V
Working CurrentAP: 70mA(aver) @3.3V, STA: 18mA(aver) @3.3V
Min: 3.5mA@3.3V, Peak: 247mA @3.3V.
Deep Sleep : 25uA@3.3V
Working Temp-40 ~ 85°C
Storage Temp-40 ~ 125°C
Storage Humidity5 ~ 95% RH (non-condesation)
Serial Port
Port Number2*TTL
Interface PinUART0: TX/RX/RTS/CTS ( hardware flow control )
RS485 PinYes
Baud Rate300 bps ~ 3M bps
BufferTX: 1K bytes, RX: 1K bytes
Data Bit5, 6, 7, 8
Stop Bit1, 2
Wireless Parameter
Wireless Standard802.11 b/g/n
Frequency Range2.412GHz ~ 2.484GHz
Transmit Power17.0 dBm @ 1 DSSS
17.25 dBm @ 11 CCK
13.5 dBm @ 54 OFDM
Receive Sensitivity–94.7 dBm @ 1 DSSS
–87.0 dBm @ 11 DSSS
–73.0 dBm @ 54 OFDM
Data SecurityWEP / WPA-PSK / WPA2-PSK
Encryption: WEP64 / WEP128 / TKIP / AES. and PC1 Encrypt, SSL Client
Parameter ConfigurationWeb Server, Network AT Command, Serial AT Command
Wireless Network TypeAP, Station Mode
Max STA Number in AP Mode1
Transmission DistanceOn-board Internal antenna:
Max 180m ( open horizonm, no obstacle)
3dbi I-PEX external antenna:
Max 310m (open horizonm, no obstacle )

User Manual

[Datasheet] USR-C322 Datasheet | download
[User Manual] USR-C322 Hardware Manual | download
[AT Command] USR-C322 AT Command Set | download
[User Manual] USR-C322 User Manual V2.3 | download
[User Manual] C32 Series SPI Firmware Manual | download
[User Manual] USR-WIFI-EVK User Manual | download

Development File

[Demo Code] TCPIP Demo Code | download
[Development Doc] Usrlink Fast Networking Protocol Instruction and Demo | download
[Development Doc] C32 Series SimpleLink Instruction and Demo | download
[Update Tool] C32 Series Update File Tools V1.0 | download
[Advanced Function] SSL client,WEB socket and Tool | download

Application Software

[USR-VCOM] Virtual Serial Software V3.7.1.520 | download
[USR-TCP-Test] Testing Software | download
[USR-TCP-Test_android] Testing Software | download

Product Certificates

[Certificate] C32 Series CE FCC ROHS WEEE Certificate | download

Company File

[Product Catalog] USR Product Catalog | download

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