CC3551E
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 36 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 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. Device flavors with in-package PSRAM for additional runtime memory are also available, see the table below.
技術文件
| 重要文件 | 類型 | 標題 | 格式選項 | 下載最新的英文版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 資料表 | CC355xE SimpleLink 2.4GHz and 5GHz Dual-Band Wi-Fi 6 and Bluetooth Low Energy Wireless MCU datasheet (Rev. B) | PDF | HTML | 2026/6/26 | ||
| * | 使用指南 | CC35xx SimpleLink™ Wi-Fi 6 and Bluetooth® Low Energy Wireless MCU Technical Reference Manual | PDF | HTML | 2025/12/11 | ||
| * | 勘誤表 | CC355xE SimpleLink 2.4GHz and 5GHz Dual-Band Wi-Fi 6 and Bluetooth Low Energy Wireless MCU Errata | PDF | HTML | 2025/12/5 | ||
| 應用說明 | CC35xx Production Guide (Rev. A) | PDF | HTML | 2026/5/26 | |||
| 使用指南 | CC35xx Hardware Integration | PDF | HTML | 2026/4/7 | |||
| 技術文章 | 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 | Download English Version (Rev.A) | PDF | HTML | 2024/12/19 |
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)。
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-CC35X1ET — 適用 SimpleLink™ Wi-Fi 6 和 Bluetooth® 低功耗無線 MCU 的 CC35xxET LaunchPad™ 開發套件
The CC35xxET SimpleLink™ LaunchPad™ development kit highlights the CC35xxET (with 8MB PSRAM) Wi-Fi 6 and Bluetooth® Low Energy wireless microcontroller (MCU), providing a test and development board that features on-board sensors, buttons, and easy interface options to emulators for a full (...)
IX-3P-IXBASE-STAMP — iThinx iXbase Stamp CC3551ET Wi-Fi 模組
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 (...)
BDE-3P-BW3551X — TI CC3551E 無線 MCU 模組
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。
UBLOX-3P-NORA-W5 — u-blox NORA-W5 無線模組
SIMPLELINK-WIFI-SDK — SimpleLink Wi-Fi SDK for the CC35xxE Devices
SIMPLELINK-WIFI-ZEPHYR-SDK — SimpleLink™ Wi-Fi 裝置的 Zephyr® 平台支援
CCSTUDIO — Code Composer Studio™ integrated development environment (IDE)
CCStudio™ IDE is part of TI's extensive CCStudio™ development ecosystem and is an integrated development environment for TI's microcontrollers, processors, wireless connectivity devices, and radar sensors. CCStudio IDE is available as desktop or cloud-based applications. The cloud version (...)
CCSTUDIO-OPENOCD — OpenOCD Binary Releases
EDGE-AI-STUDIO-MCU — Edge AI Studio for Microcontrollers
Edge AI Studio 是一系列圖形和命令行工具,旨在加速 TI 處理器、微控制器和雷達感測器上的邊緣 AI 開發。不管是使用來自 TI Model Zoo 的模型,還是
運用您自己的模型來開發概念驗證,Edge AI Studio 都能提供您所需的工具。
Edge AI Studio 圖形使用者介面提供完全整合的解決方案,用於收集和註釋資料、訓練和編譯模型,以在即時開發平台上部署。從 TI Model Zoo 中的各種預先訓練的模型中選擇,並可選擇透過自訂資料重新訓練,以提升準確度和性能。Edge AI Studio (...)
SYSCONFIG — Standalone desktop version of SysConfig
CCStudio™ SysConfig is part of TI's extensive CCStudio™ development ecosystem and is a configuration tool that simplifies hardware and software configuration challenges to accelerate software development.
SysConfig provides an intuitive graphical user interface for configuring pins, peripherals, (...)
SIMPLELINK-WIFI-ACADEMY — SimpleLink™ Wi-Fi Academy
SIMPLELINK-WIFI-MATER-SW — SimpleLink™ Wi-Fi 裝置系列 Matter 軟體
SIMPLELINK-WIFI-TOOLBOX — SimpleLink Wi-Fi Toolbox collection of tools to help development and testing of the CC33xx and CC35xxE Devices
Wi-Fi 工具箱套件提供使用主機偵錯及監控 WLAN/Bluetooth® 低功耗韌體、執行 RF 驗證測試、執行法規認證測試的預先測試,以及除錯硬體與軟體平台整合問題時所需的所有功能。
SIMPLELINK-WIFI-DEMOS — SimpleLink™ Wi-Fi 裝置系列擴充軟體示範
SIMPLELINK-SDK-EDGEAI-PLUGIN — Edge AI Plugin and application support for SimpleLink™ family of devices
SimpleLink™ 低功率 SDK 支援 CC13xx、CC23xx、CC26xx 及 CC27xx 產品系列。這些 SDK 搭配可提供適合開發 Sub-1 GHz 與 2.4 GHz 應用的全方位軟體套件,包括在 SimpleLink CC13xx、CC23xx、CC26xx 和 CC27xx 無線 MCU 上支援 Bluetooth® 低功耗、網狀網路、Zigbee®、Matter、Thread、802.15.4 型、專有與多協定解決方案。
UNIFLASH — UniFlash for most TI microcontrollers (MCUs) and mmWave sensors
UniFlash 是 TI 龐大 CCStudio™ 開發生態系統的一部分,是一款用於在 TI 微控制器與無線連線裝置上對晶片內快閃記憶體進行燒錄,以及在 TI 處理器上對板載快閃記憶體進行燒錄的軟體工具。UniFlash 提供圖形化介面與命令行介面,並可在桌面上或雲端中執行。
UniFlash 可從 CCStudio™ 開發人員區上的雲端執行,或在下載後於 Windows®、Linux® 和 macOS® 電腦中使用。
請注意,mmWave、AMx、K2G 和 J7 裝置不支援 macOS。AMx、K2G 和 J7 裝置僅於命令列上支援。
TIDA-011008 — 3.6kW GaN 型單相串列式逆變器參考設計
此參考設計提供 GaN 型單相串列式逆變器實作概覽,設計中包含單串列輸入,可處理多達 10 塊串聯太陽光電 (PV) 面板。在 230V 單相併網條件下,來自串列輸入的額定功率最高可達 3.6kW。在單一 C2000™ MCU 上執行三個功率級的數位控制。此電路板還配備 WiFi® 通訊埠,可輕鬆進行遠端監測和控制存取。
| 封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
|---|---|---|
| VQFN (RSH) | 56 | Ultra Librarian |
訂購與品質
建議產品可能具有與此 TI 產品相關的參數、評估模組或參考設計。