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CC3235S ACTIVE SimpleLink™ 32-bit Arm Cortex-M4 dual-band Wi-Fi® wireless MCU with 256kB RAM This product adds more capabilities like 5-GHz support and coexistance

Product details

Processor Arm® Cortex®-M4 Package (mm) 9x9 QFN, 0.5 Pitch, 64-pin Protocols Wi-Fi 2.4 GHz Throughput (Max) (Mbps) 16 Security Secure boot, Device identity, Secure FW and SW update, Secure storage, Software IP protection, Networking security (WPA3) Features 802.11bgn, IPv4 & IPv6, 16 secure sockets, 4 STA's, 2.4-GHz coexistence
Processor Arm® Cortex®-M4 Package (mm) 9x9 QFN, 0.5 Pitch, 64-pin Protocols Wi-Fi 2.4 GHz Throughput (Max) (Mbps) 16 Security Secure boot, Device identity, Secure FW and SW update, Secure storage, Software IP protection, Networking security (WPA3) Features 802.11bgn, IPv4 & IPv6, 16 secure sockets, 4 STA's, 2.4-GHz coexistence
VQFN (RGK) 64 81 mm² 9 x 9
  • Multiple-core architecture, system-on-chip (SoC)
  • Multilayered security features, help developers protect identities, data, and software IP
  • Low-power modes for battery powered application
  • Coexistence with BLE radios (CC13x2/CC26x2)
  • Network-assisted roaming
  • Industrial temperature: –40°C to +85°C
  • Wi-Fi CERTIFIED by the Wi-Fi Alliance
  • Application microcontroller subsystem:
    • Arm Cortex-M4 core at 80 MHz
    • User-dedicated memory
      • 256KB of RAM
      • Optional 1MB of executable flash
    • Rich set of peripherals and timers
    • 27 I/O pins with flexible multiplexing options
      • UART, I2S, I2C, SPI, SD, ADC, 8-bit parallel interface
      • Timers and PWM
  • Wi-Fi network processor subsystem:
    • Wi-Fi core:
      • 802.11b/g/n 2.4 GHz
      • Modes:
        • Access Point (AP)
        • Station (STA)
        • Wi-Fi Direct
      • Security:
        • WEP
        • WPA™/ WPA2™ PSK
        • WPA2 Enterprise
        • WPA3™ Personal
        • WPA3™ Enterprise
    • Internet and application protocols:
      • HTTPs server, mDNS, DNS-SD, DHCP
      • IPv4 and IPv6 TCP/IP stack
      • 16 BSD sockets (fully secured TLS v1.2 and SSL 3.0)
    • Built-in power management subsystem:
      • Configurable low-power profiles (always, intermittent, tag)
      • Advanced low-power modes
      • Integrated DC/DC regulators
  • Multilayered security features:
    • Separate execution environments
    • Networking security
    • Device identity and key
    • Hardware accelerator cryptographic engines (AES, DES, SHA/MD5, CRC)
    • Application-level security (encryption, authentication, access control)
    • Initial secure programming
    • Software tamper detection
    • Secure boot
    • Certificate signing request (CSR)
    • Unique per device key pair
  • Application throughput:
    • UDP: 16 Mbps, TCP: 13 Mbps
    • Peak: 72 Mbps
  • Power-Management Subsystem:
    • Integrated DC/DC converters support a wide range of supply voltage:
      • VBAT wide-voltage mode: 2.1 V to 3.6 V
      • VIO is always tied with VBAT
    • Advanced low-power modes:
      • Shutdown: 1 µA, hibernate: 4.5 µA
      • Low-power deep sleep (LPDS): 120 µA
      • Idle connected (MCU in LPDS): 710 µA
      • RX traffic (MCU active): 59 mA
      • TX traffic (MCU active): 223 mA
  • Wi-Fi TX power:
    • 18.0 dBm at 1 DSSS
    • 14.5 dBm at 54OFDM
  • Wi-Fi RX sensitivity:
    • –96 dBm at 1 DSSS
    • –74.5 dBm at 54 OFDM
  • Clock source:
    • 40.0-MHz crystal with internal oscillator
    • 32.768-kHz crystal or external RTC
  • RGK package
    • 64-pin, 9-mm × 9-mm very thin quad flat nonleaded (VQFN) package, 0.5-mm pitch
  • Device supports SimpleLink™ MCU Platform developer’s ecosystem
  • Multiple-core architecture, system-on-chip (SoC)
  • Multilayered security features, help developers protect identities, data, and software IP
  • Low-power modes for battery powered application
  • Coexistence with BLE radios (CC13x2/CC26x2)
  • Network-assisted roaming
  • Industrial temperature: –40°C to +85°C
  • Wi-Fi CERTIFIED by the Wi-Fi Alliance
  • Application microcontroller subsystem:
    • Arm Cortex-M4 core at 80 MHz
    • User-dedicated memory
      • 256KB of RAM
      • Optional 1MB of executable flash
    • Rich set of peripherals and timers
    • 27 I/O pins with flexible multiplexing options
      • UART, I2S, I2C, SPI, SD, ADC, 8-bit parallel interface
      • Timers and PWM
  • Wi-Fi network processor subsystem:
    • Wi-Fi core:
      • 802.11b/g/n 2.4 GHz
      • Modes:
        • Access Point (AP)
        • Station (STA)
        • Wi-Fi Direct
      • Security:
        • WEP
        • WPA™/ WPA2™ PSK
        • WPA2 Enterprise
        • WPA3™ Personal
        • WPA3™ Enterprise
    • Internet and application protocols:
      • HTTPs server, mDNS, DNS-SD, DHCP
      • IPv4 and IPv6 TCP/IP stack
      • 16 BSD sockets (fully secured TLS v1.2 and SSL 3.0)
    • Built-in power management subsystem:
      • Configurable low-power profiles (always, intermittent, tag)
      • Advanced low-power modes
      • Integrated DC/DC regulators
  • Multilayered security features:
    • Separate execution environments
    • Networking security
    • Device identity and key
    • Hardware accelerator cryptographic engines (AES, DES, SHA/MD5, CRC)
    • Application-level security (encryption, authentication, access control)
    • Initial secure programming
    • Software tamper detection
    • Secure boot
    • Certificate signing request (CSR)
    • Unique per device key pair
  • Application throughput:
    • UDP: 16 Mbps, TCP: 13 Mbps
    • Peak: 72 Mbps
  • Power-Management Subsystem:
    • Integrated DC/DC converters support a wide range of supply voltage:
      • VBAT wide-voltage mode: 2.1 V to 3.6 V
      • VIO is always tied with VBAT
    • Advanced low-power modes:
      • Shutdown: 1 µA, hibernate: 4.5 µA
      • Low-power deep sleep (LPDS): 120 µA
      • Idle connected (MCU in LPDS): 710 µA
      • RX traffic (MCU active): 59 mA
      • TX traffic (MCU active): 223 mA
  • Wi-Fi TX power:
    • 18.0 dBm at 1 DSSS
    • 14.5 dBm at 54OFDM
  • Wi-Fi RX sensitivity:
    • –96 dBm at 1 DSSS
    • –74.5 dBm at 54 OFDM
  • Clock source:
    • 40.0-MHz crystal with internal oscillator
    • 32.768-kHz crystal or external RTC
  • RGK package
    • 64-pin, 9-mm × 9-mm very thin quad flat nonleaded (VQFN) package, 0.5-mm pitch
  • Device supports SimpleLink™ MCU Platform developer’s ecosystem

The SimpleLink™ Wi-Fi CC3230x wireless MCU comes in two variants: CC3230S and C3230SF.

  • The CC3230S includes 256KB of RAM, IoT networking security, device identity/keys, as well as, MCU level security features such as file system encryption, user IP (MCU image) encryption, secure boot and debug security.
  • The CC3230SF builds on the CC3230S and integrates a user-dedicated 1MB of executable flash in addition to the 256KB of RAM.

Simplify your IoT design with a Wi-Fi CERTIFIED™ wireless microcontroller (MCU). The SimpleLink™ Wi-Fi® CC3230x device family is a system-on-chip (SoC) solution that integrates two processors within a single chip, including:

  • Application processor: Arm® Cortex®-M4 MCU with a user-dedicated 256KB of RAM and an optional 1MB of executable flash
  • Network processor to run all Wi-Fi and internet logical layers. This ROM-based subsystem completely offloads the host MCU and includes an 802.11b/g/n 2.4 GHz radio, baseband, and MAC with a powerful hardware cryptography engine

These devices introduce new capabilities that further simplify the connectivity of things to the internet. The main new features include

  • Bluetooth Low Energy and Wi-Fi 2.4-GHz radio coexistence (CC13x2/CC26x2)
  • Antenna selection
  • Up to 16 concurrent secure sockets
  • Certificate sign request (CSR)
  • Online certificate status protocol (OCSP)
  • Wi-Fi Alliance certified IoT power-saving features (such as BSS max idle, DMS, and proxy ARP)
  • Hostless mode for offloading template packet transmissions
  • Network-assisted roaming

The CC3230x device family is part of the SimpleLink™ MCU platform—a common, easy-to-use development environment based on a single-core software development kit (SDK) with a rich tool set and reference designs. The E2E™ community supports Wi-Fi, Bluetooth low energy, Sub-1 GHz, and host MCUs. For more information, visit www.ti.com/simplelink or www.ti.com/simplelinkwifi.

The SimpleLink™ Wi-Fi CC3230x wireless MCU comes in two variants: CC3230S and C3230SF.

  • The CC3230S includes 256KB of RAM, IoT networking security, device identity/keys, as well as, MCU level security features such as file system encryption, user IP (MCU image) encryption, secure boot and debug security.
  • The CC3230SF builds on the CC3230S and integrates a user-dedicated 1MB of executable flash in addition to the 256KB of RAM.

Simplify your IoT design with a Wi-Fi CERTIFIED™ wireless microcontroller (MCU). The SimpleLink™ Wi-Fi® CC3230x device family is a system-on-chip (SoC) solution that integrates two processors within a single chip, including:

  • Application processor: Arm® Cortex®-M4 MCU with a user-dedicated 256KB of RAM and an optional 1MB of executable flash
  • Network processor to run all Wi-Fi and internet logical layers. This ROM-based subsystem completely offloads the host MCU and includes an 802.11b/g/n 2.4 GHz radio, baseband, and MAC with a powerful hardware cryptography engine

These devices introduce new capabilities that further simplify the connectivity of things to the internet. The main new features include

  • Bluetooth Low Energy and Wi-Fi 2.4-GHz radio coexistence (CC13x2/CC26x2)
  • Antenna selection
  • Up to 16 concurrent secure sockets
  • Certificate sign request (CSR)
  • Online certificate status protocol (OCSP)
  • Wi-Fi Alliance certified IoT power-saving features (such as BSS max idle, DMS, and proxy ARP)
  • Hostless mode for offloading template packet transmissions
  • Network-assisted roaming

The CC3230x device family is part of the SimpleLink™ MCU platform—a common, easy-to-use development environment based on a single-core software development kit (SDK) with a rich tool set and reference designs. The E2E™ community supports Wi-Fi, Bluetooth low energy, Sub-1 GHz, and host MCUs. For more information, visit www.ti.com/simplelink or www.ti.com/simplelinkwifi.

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Technical documentation

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Type Title Date
* Data sheet CC3230S and CC3230SF SimpleLink Wi-Fi 2.4GHz Wireless MCU with Coexistence datasheet (Rev. B) 13 May 2021
* User guide SimpleLink™ Wi-Fi® CC323x Technical Reference Manual (Rev. A) 17 Sep 2020
Technical article How Wi-Fi®︎ and Bluetooth®︎ Low Energy can coexist in building automation and medical applications 23 Jul 2021
Application note TI Wi-Fi Test Strategy Overview (Rev. A) 01 Jul 2021
User guide SimpleLink™ Wi-Fi® CC3x20, CC3x3x Network Processor (Rev. M) 30 Sep 2020
Application note CC3x20, CC3x35 SimpleLink™ Wi-Fi® Internet-on-a chip™ Solution Built-In Security (Rev. C) 29 Sep 2020
Application note CC323x Production Line Guide (Rev. A) 18 Sep 2020
Application note SimpleLink™ Wi-Fi® CC3x20, CC3x3x Over-the-Air Update (Rev. B) 17 Sep 2020
Application note SimpleLink™ Wi-Fi® CC313x, CC323x BLE Coexistence (Rev. A) 17 Aug 2020
User guide SimpleLink™ Wi-Fi® CC3x20 and CC3x3x Provisioning for Mobile Applications (Rev. B) 17 Aug 2020
User guide SimpleLink™ Wi-Fi® CC3x20, CC3x3x Radio Tool User Guide (Rev. B) 17 Aug 2020
Application note SimpleLink™ Wi-Fi® CC3x3x Networking Subsystem Power Management (Rev. A) 17 Aug 2020
Application note SimpleLink™ Wi-Fi® CC3x3x Serial Flash (Rev. B) 17 Aug 2020
User guide UniFlash CC3x20, CC3x3x SimpleLink™ Wi-Fi® and IoC™ Solution ImageCreator (Rev. H) 17 Aug 2020
Application note SimpleLink™ Wi-Fi® CC32xx ADC 13 Jul 2020
Application note CE Regulations for SRDs Operating in License-Free 2.4GHz/5GHz Bands-WiFi Devices 15 Apr 2020
Application note Transfer of TI Wi-Fi® Alliance Certifications to Products Using WFA Cert Policy (Rev. F) 30 Jan 2020
White paper Low-Power Internet Connectivity Over Wi-Fi (Rev. A) 23 May 2019
Technical article Top 3 design challenges that the new generation of SimpleLink Wi-Fi devices will help you overcome 21 Feb 2019
White paper A primer to Wi-Fi® provisioning for IoT applications (Rev. A) 31 Jan 2019
Technical article Unlock every door with the SimpleLink™ platform 19 Sep 2018
Technical article An out-of-the-box Internet of Things: building a seamless and secure smart home network 12 Jun 2018
Application note CC313x and CC323x Simplelink™ Wi-Fi® Embedded Programming User's Guide 21 Mar 2018
User guide CC3235 SimpleLink™ Wi-Fi® LaunchPad™ Development Kit Hardware 19 Dec 2017
User guide TI-RTOS 2.16 for CC32xx SimpleLink Wireless MCUs Getting Started Guide (Rev. F) 22 Feb 2016

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Development kit

LAUNCHXL-CC3235S — SimpleLink™ Wi-Fi® CC3235S dual band LaunchPad™ development kit

The SimpleLink™ Wi-Fi® CC3235S dual band LaunchPad™ development kit (LAUNCHXL-CC3235S) highlights CC3235S, a single-chip security solution and wireless microcontroller (MCU) which integrates a user application dedicated ARM® cortex®-M4 MCU and a network processor that runs (...)

Software development kit (SDK)

SIMPLELINK-CC32XX-SDK — SimpleLink™ Wi-Fi® CC32xx software development kit (SDK)

Step 1: Buy the LaunchPad
Step 2: Download the CC32xx SDK
Step 3: Get started with SimpleLink Academy

The SimpleLink™ Wi-Fi® CC32XX SDK contains drivers for the CC3220 and CC3235 programmable MCU and documentation needed to use the solution. It also contains the flash (...)

Application software & framework

WIFISTARTERPRO — SimpleLink™ Wi-Fi® Starter Pro

Download on the iTunes App Store
Download on Google play

The SimpleLink™ Wi-Fi® Starter Pro mobile App is a new mobile application for SimpleLink provisioning. It goes along with the embedded provisioning library and example that runs on the device side. The new provisioning release is TI (...)
Code example or demo

SIMPLELINK-COEXISTENCE-CC323X-CC26XX — SimpleLink™ Wi-Fi® + Bluetooth® Low Energy coexistence

This page provides the relevant software and radio frequency (RF) design collateral needed to start implementing the SimpleLink™ Wi-Fi® + Bluetooth® Low Energy coexistence solution.
IDE, configuration, compiler or debugger

CC3XXXRADIOTEST — SimpleLink™ Wi-Fi® radio testing tool

The SimpleLink™ Wi-Fi® Radio Testing Tool is a Windows-based software tool for RF evaluation and testing of SimpleLink Wi-Fi CC31xx and CC32xx designs during development and certification.  The tool enables low-level radio testing capabilities by manually setting the radio into (...)
IDE, configuration, compiler or debugger

CCSTUDIO — Code Composer Studio™ integrated development environment (IDE)

Code Composer Studio؜™ software is an integrated development environment (IDE) that supports TI's microcontroller (MCU) and embedded processor portfolios. Code Composer Studio software comprises a suite of tools used to develop and debug embedded applications. The software includes an (...)
Operating system (OS)

TI-RTOS-MCU — TI-RTOS: Real-Time Operating System (RTOS) for Microcontrollers (MCU)


Develop MCU applications faster with TI-RTOS

TI-RTOS accelerates development schedules by eliminating the need to create basic system software functions from scratch. TI-RTOS scales from a real-time multitasking kernel - TI-RTOS Kernel - to a complete RTOS solution including additional (...)

Software programming tool

UNIFLASH — UniFlash stand-alone flash tool for microcontrollers, Sitara™; processors and SimpleLink™

Supported devices: CC13xx, CC25xx, CC26xx, CC3x20, CC3x30, CC3x35, Tiva, C2000, MSP43x, Hercules, PGA9xx, IWR12xx, IWR14xx, IWR16xx, IWR18xx , IWR68xx, AWR12xx, AWR14xx, AWR16xx, AWR18xx.  Command line only: AM335x, AM437x, AM571x, AM572x, AM574x, AM65XX, K2G

CCS Uniflash is a standalone tool used (...)

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Ordering & quality

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  • REACH
  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring

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