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CC3551E

現行

具有雙頻（2.4GHz 和 5GHz）Wi-Fi® 6 和 Bluetooth® 低功耗的 SimpleLink™ 無線 MCU

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CC3551E

現行
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產品詳細資料

Processor Arm® Cortex®-M33 Type Wireless MCU Technology Bluetooth® LE, Wi-Fi Protocols Qualified against Bluetooth® Core 5.4, Wi-Fi 2.4 GHz, Wi-Fi 5 GHz Operating system FreeRTOS Certifications Wi-Fi CERTIFIED Chip Throughput UDP (max) (Mbps) 20 Features 2M PHY, 802.11ax, AP, COEX, Coded PHY, Extended advertising, LE Secure Connections, STA Security Cryptographic acceleration, Device attestation & anti-counterfeit, Hardware-enforced isolation, PSA level 1 and 2 ready, Secure boot, Secure communication, Secure debug, Secure firmware & software update, Secure storage Rating Catalog Operating temperature range (°C) -40 to 105 Cryptographic accelerators RNG
Processor Arm® Cortex®-M33 Type Wireless MCU Technology Bluetooth® LE, Wi-Fi Protocols Qualified against Bluetooth® Core 5.4, Wi-Fi 2.4 GHz, Wi-Fi 5 GHz Operating system FreeRTOS Certifications Wi-Fi CERTIFIED Chip Throughput UDP (max) (Mbps) 20 Features 2M PHY, 802.11ax, AP, COEX, Coded PHY, Extended advertising, LE Secure Connections, STA Security Cryptographic acceleration, Device attestation & anti-counterfeit, Hardware-enforced isolation, PSA level 1 and 2 ready, Secure boot, Secure communication, Secure debug, Secure firmware & software update, Secure storage Rating Catalog Operating temperature range (°C) -40 to 105 Cryptographic accelerators RNG
VQFN (RSH) 56 49 mm² 7 x 7

Microcontroller

  • Powerful 160MHz Arm Cortex-M33 processor with FPU, TrustZone, and AI acceleration
  • High-speed quad-SPI and octal-SPI for XiP flash with on-the-fly decryption
  • Flexible configuration of low-latency TCM (up to 32KB) and Cache (32KB or 64KB) for improved code execution performance
  • 1.1MB embedded SRAM including 128KB TCM for Wi-Fi™, Bluetooth Low Energy, networking, and application data

Peripherals

  • Up to 38 I/Os with flexible multiplexing options
  • 8 × general-purpose timers and pulse-width modulation (PWM)
  • 3 × universal asynchronous receiver-transmitter (UART)
  • 2 × Serial Peripheral Interface (SPI)
  • 2 × inter-integrated circuit (I2C)
  • Inter-IC sound (I2S)
  • Pulse density modulation (PDM)
  • Secure digital and multimedia card (SD/MMC)
  • Secure digital input output (SDIO) 2.0
  • Controller area network (CAN) 2.0
  • 8-channel, 12-bit analog-to-digital converter (ADC)

System Services

  • Direct memory access (DMA)
  • One-time-programmable memory (OTP)
  • Real-time clock (RTC) and watchdog timer (WDT)

Radio

  • Wi-Fi 6 (802.11ax)

    • 2.4GHz and 5GHz, single-stream 20MHz channels with application throughput up to 20Mbps (UDP)
    • Compatible with IEEE 802.11 a/b/g/n/ax
      • Orthogonal frequency-division multiple access (OFDMA)
      • Target wake time (TWT)
      • Trigger frames
      • Basic service set (BSS) color
    • Integrated PA for a complete WLAN system with up to 20.5dBm output power at 1 DSSS
    • Role support: STA, softAP , Wi-Fi direct, multi-role AP + STA
    • Support for personal and enterprise Wi-Fi security: WPA and WPA2 PSK, WPA2 Enterprise, WPA3 personal or enterprise
    • Wi-Fi TX Power:
      • 20.5dBm at 1DSSS
      • 17.8dBm at 54OFDM
    • Wi-Fi RX Sensitivity:
      • –98.7dBm at 1DSSS
      • –76.6dBm at 54OFDM
  • Bluetooth low energy
    • Bluetooth low energy 5.4 certified stack
    • Supports long-range and high-speed PHYs (up to 2Mbps)

Security Features

  • ARM TrustZone
  • Hardware security module supporting all of the following:
    • ECC, RSA, AES, SHA2/3, MD5, CRC 16/32, and TRNG
    • Secure key storage
  • Initial secure programming
  • Secure boot
  • Software IP and cloning protection
  • Debug security through JTAG and debug port lock
  • OTP with the ability to program root-of-trust public key
  • Secure over-the-air (OTA) updates
  • Anti-rollback protection

Clock Source

  • Fast clock: 52MHz XTAL
  • Slow clock: Internal low-frequency oscillator, 32.768kHz XTAL, or external slow clock source

Power Management

  • Support for 3.3V and 1.8V on multiple I/O domains
  • Supplies: VPA: 3.3V, VMAIN: 1.8V, VIO: 1.8/3.3V

Key Benefits

  • Complete software development kit with open-source TCP/IP and TLS stacks
  • Operating temperature: –40°C to +105°C
  • Support for 3-wire PTA coexistence interface for use with external 2.4GHz radios (for example Thread or Zigbee)
  • Antenna selection capability

Package

  • Easy to design with 56-pin, 7mm × 7mm quad flat no leaded (QFN) package

Microcontroller

  • Powerful 160MHz Arm Cortex-M33 processor with FPU, TrustZone, and AI acceleration
  • High-speed quad-SPI and octal-SPI for XiP flash with on-the-fly decryption
  • Flexible configuration of low-latency TCM (up to 32KB) and Cache (32KB or 64KB) for improved code execution performance
  • 1.1MB embedded SRAM including 128KB TCM for Wi-Fi™, Bluetooth Low Energy, networking, and application data

Peripherals

  • Up to 38 I/Os with flexible multiplexing options
  • 8 × general-purpose timers and pulse-width modulation (PWM)
  • 3 × universal asynchronous receiver-transmitter (UART)
  • 2 × Serial Peripheral Interface (SPI)
  • 2 × inter-integrated circuit (I2C)
  • Inter-IC sound (I2S)
  • Pulse density modulation (PDM)
  • Secure digital and multimedia card (SD/MMC)
  • Secure digital input output (SDIO) 2.0
  • Controller area network (CAN) 2.0
  • 8-channel, 12-bit analog-to-digital converter (ADC)

System Services

  • Direct memory access (DMA)
  • One-time-programmable memory (OTP)
  • Real-time clock (RTC) and watchdog timer (WDT)

Radio

  • Wi-Fi 6 (802.11ax)

    • 2.4GHz and 5GHz, single-stream 20MHz channels with application throughput up to 20Mbps (UDP)
    • Compatible with IEEE 802.11 a/b/g/n/ax
      • Orthogonal frequency-division multiple access (OFDMA)
      • Target wake time (TWT)
      • Trigger frames
      • Basic service set (BSS) color
    • Integrated PA for a complete WLAN system with up to 20.5dBm output power at 1 DSSS
    • Role support: STA, softAP , Wi-Fi direct, multi-role AP + STA
    • Support for personal and enterprise Wi-Fi security: WPA and WPA2 PSK, WPA2 Enterprise, WPA3 personal or enterprise
    • Wi-Fi TX Power:
      • 20.5dBm at 1DSSS
      • 17.8dBm at 54OFDM
    • Wi-Fi RX Sensitivity:
      • –98.7dBm at 1DSSS
      • –76.6dBm at 54OFDM
  • Bluetooth low energy
    • Bluetooth low energy 5.4 certified stack
    • Supports long-range and high-speed PHYs (up to 2Mbps)

Security Features

  • ARM TrustZone
  • Hardware security module supporting all of the following:
    • ECC, RSA, AES, SHA2/3, MD5, CRC 16/32, and TRNG
    • Secure key storage
  • Initial secure programming
  • Secure boot
  • Software IP and cloning protection
  • Debug security through JTAG and debug port lock
  • OTP with the ability to program root-of-trust public key
  • Secure over-the-air (OTA) updates
  • Anti-rollback protection

Clock Source

  • Fast clock: 52MHz XTAL
  • Slow clock: Internal low-frequency oscillator, 32.768kHz XTAL, or external slow clock source

Power Management

  • Support for 3.3V and 1.8V on multiple I/O domains
  • Supplies: VPA: 3.3V, VMAIN: 1.8V, VIO: 1.8/3.3V

Key Benefits

  • Complete software development kit with open-source TCP/IP and TLS stacks
  • Operating temperature: –40°C to +105°C
  • Support for 3-wire PTA coexistence interface for use with external 2.4GHz radios (for example Thread or Zigbee)
  • Antenna selection capability

Package

  • Easy to design with 56-pin, 7mm × 7mm quad flat no leaded (QFN) package

The SimpleLink™ Wi-Fi system-on-chip CC35xx family is where affordability meets reliability, enabling engineers to connect more applications with confidence. CC35xx are single-chip Wi-Fi 6 and Bluetooth Low Energy 5.4 wireless microcontrollers (MCUs). The CC3550E and CC3551E are the first dual-band devices in this pin-to-pin compatible family.

  • CC3550E: 2.4GHz and 5GHz Wi-Fi 6 wireless MCU
  • CC3551E: 2.4GHz and 5GHz Wi-Fi 6 and Bluetooth low energy 5.4 wireless MCU

The CC355xE offers the latest standards from Wi-Fi and Bluetooth Low Energy while maintaining compatibility with Wi-Fi 4 (802.11 a/b/g/n)and Wi-Fi 5 (802.11 ac). These CC355xE are the 10th-generation connectivity combo chip from Texas Instruments. As such, the CC355xE is based on proven technology. These devices are an excellent choice to use in cost-sensitive embedded applications with RTOS software. CC355xE brings the efficiency of Wi-Fi 6 to embedded device applications for the Internet of Things (IoT), with a small PCB footprint and highly optimized bill of materials. Future device flavors will include in-package PSRAM for additional runtime memory, see the table below.

The SimpleLink™ Wi-Fi system-on-chip CC35xx family is where affordability meets reliability, enabling engineers to connect more applications with confidence. CC35xx are single-chip Wi-Fi 6 and Bluetooth Low Energy 5.4 wireless microcontrollers (MCUs). The CC3550E and CC3551E are the first dual-band devices in this pin-to-pin compatible family.

  • CC3550E: 2.4GHz and 5GHz Wi-Fi 6 wireless MCU
  • CC3551E: 2.4GHz and 5GHz Wi-Fi 6 and Bluetooth low energy 5.4 wireless MCU

The CC355xE offers the latest standards from Wi-Fi and Bluetooth Low Energy while maintaining compatibility with Wi-Fi 4 (802.11 a/b/g/n)and Wi-Fi 5 (802.11 ac). These CC355xE are the 10th-generation connectivity combo chip from Texas Instruments. As such, the CC355xE is based on proven technology. These devices are an excellent choice to use in cost-sensitive embedded applications with RTOS software. CC355xE brings the efficiency of Wi-Fi 6 to embedded device applications for the Internet of Things (IoT), with a small PCB footprint and highly optimized bill of materials. Future device flavors will include in-package PSRAM for additional runtime memory, see the table below.
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重要文件 類型 標題 格式選項 日期
* Data sheet CC355xE SimpleLink 2.4GHz and 5GHz Dual-Band Wi-Fi 6 and Bluetooth Low Energy Wireless MCU datasheet PDF | HTML 2024年 12月 11日
* Errata CC355xE SimpleLink 2.4GHz and 5GHz Dual-Band Wi-Fi 6 and Bluetooth Low Energy Wireless MCU Errata PDF | HTML 2025年 12月 5日
User guide CC35xx SimpleLink™ Wi-Fi 6 and Bluetooth® Low Energy Wireless MCU Technical Reference Manual PDF | HTML 2025年 12月 11日
Technical article 以低功率無線 MCU 解決關鍵無線連線網路安全挑戰 (Rev. A) PDF | HTML 2024年 12月 19日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

LP-EM-CC35X1 — 適用 SimpleLink™ Wi-Fi 6 和 Bluetooth® 低功耗無線 MCU 的 CC35xxE LaunchPad™ 開發套件

LP-EM-CC35X1 SimpleLink™ LaunchPad™ 開發套件主打 CC3551E Wi-Fi 6 與 Bluetooth® 低耗能無線 MCU，提供具備板載感測器、按鈕與簡易模擬器介面選項的測試與開發電路板，以提供全面的開箱即用體驗與快速開發平台。此套件支援接腳相容的 CC3500E、CC3501E、CC3550E 和 CC3551E Wi-Fi 6 與 Bluetooth 低耗能無線 MCU 的軟體開發，可幫助您將 Wi-Fi 產品快速上市。
使用指南: PDF | HTML
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子卡

BDE-3P-BW3551X — TI CC3551E 無線 MCU 模組

BDE-BW3551 是一款基於 TI 的 SimpleLink™ Wi-Fi 系統單晶片 CC3551 的 2.4GHz & 5GHz 雙頻 Wi-Fi® 6 與 Bluetooth® LE 組合無線 MCU 模組系列。此模組系列非常適合採用 RTOS 軟體且對成本敏感的嵌入式應用，其應用峰值吞吐量需求最高可達 20 Mbps。BDE-BW3551 模組系列以較少的 PCB 佔用面積和高度最佳化的物料清單，是將 Wi-Fi 6 的效率帶入物聯網 (IoT) 嵌入式裝置應用的絕佳選擇，有助於降低整體成本。此外，該模組還向後相容於 Wi-Fi 4 (802.11 b/g/n) 與 Wi-Fi (...)
從：BDE Technology Inc.
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子卡

TTC-3P-SR3551 — TTC SR-355101PC2N 支援 2.4GHz 與 5GHz 雙頻 Wi-Fi 6 及 BLE

CC3551E 模組是以 CC3551E 為核心設計的 WIFI+ 藍牙雙合一無線模組。Wi-Fi 支援 IEEE 802.11b/g/n/ax 標準，涵蓋 2.4GHz 與 5GHz 頻段的 MAC、基頻及射頻收發器，提供單串流 20MHz 通道，應用層吞吐量最高可達 20Mbps (UDP)，並具備硬體式加解密功能，支援 WPA2 與 WPA3 安全協定。支援 4 位元 SDIO 或 SPI 主機介面。藍牙支援低功率 Bluetooth® 5.4、LE 編碼 PHY（長距離）、LE 2M PHY（高速）和廣播擴充延伸功能。模組封裝包含 18 針腳。

從：Shenzhen Shengrun Technology Co., Ltd.
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開發套件

WS-3P-WS8712 — 2.4GHz & 5GHz 雙頻 Wi-Fi 6 與 BLE5.4 藍牙模組

WS8712 是以 TI 新一代 Wi-Fi 6 晶片 CC3551E 為基礎開發的高效能、高可靠性雙頻 Wi-Fi 6 與 Bluetooth® 模組。此模組具有強大的內建式 160MHz Arm® Cortex®-M33 處理器，具備 FPU、TrustZone® 和 AI 加速功能。此模組支援最大 20dBm@1 Mbps DSSS 及 16dBm@54 Mbps OFDM 的無線傳輸功率。

在功能方面，此模組支援 IEEE 802.11 b/g/n/ax 標準、以 2.4GHz 與 5GHz 頻帶運作的 Wi-Fi 6、以及 Bluetooth® 低功耗 (BLE) 5.4 (...)

從：Silent Smart Technology Co., Ltd.
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軟體開發套件 (SDK)

SIMPLELINK-WIFI-SDK — SimpleLink Wi-Fi SDK for the CC35xxE Devices

The SimpleLink™ Wi-Fi® SDK provides a comprehensive software toolkit for developing IoT applications on the CC35xxE family of wireless MCUs. This powerful SDK includes essential components like the Bluetooth® LE protocol stack supporting Bluetooth 5.4, Wi-Fi 6 with an included networking stack (...)
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應用軟體及架構

SIMPLELINK-WIFI-TOOLBOX — SimpleLink Wi-Fi Toolbox collection of tools to help development and testing of the CC33xx and CC35xxE Devices

The Wi-Fi toolbox package provides all the capabilities required to debug and monitor WLAN/Bluetooth® Low Energy firmware with a host, perform RF validation tests, run pretest for regulatory certification testing, and debug hardware and software platform integration issues.

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IDE、配置、編譯器或偵錯程式

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

Code Composer Studio is an integrated development environment (IDE) for TI's microcontrollers and processors. It is comprised of a rich suite of tools used to build, debug, analyze and optimize embedded applications. Code Composer Studio is available across Windows®, Linux® and macOS® platforms.

(...)

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SYSCONFIG — Standalone desktop version of SysConfig

SysConfig is a configuration tool designed to simplify hardware and software configuration challenges to accelerate software development.

SysConfig is available as part of the Code Composer Studio™ integrated development environment as well as a standalone application. Additionally SysConfig (...)

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軟體程式設計工具

UNIFLASH — UniFlash for most TI microcontrollers (MCUs) and mmWave sensors

UniFlash is a software tool for programming on-chip flash on TI microcontrollers and wireless connectivity devices and on-board flash for TI processors. UniFlash provides both graphical and command-line interfaces.

UniFlash can be run from the cloud on the TI Developer Zone or downloaded and used (...)

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