Texas Instruments CC350xE 2.4GHz SimpleLink™ Wireless MCU
Texas Instruments CC350xE 2.4GHz SimpleLink™ Wireless Microcontroller Unit (MCU) is a single-chip Wi-Fi® 6 and BLUETOOTH® Low Energy 5.4 module that enables engineers to connect more applications. This highly reliable MCU offers Wi-Fi and Bluetooth LE standards while maintaining compatibility with Wi-Fi 4 (802.11 b/g/n) and Wi-Fi 5 (802.11 ac). The 10th-generation connectivity combo chip is based on proven technology, making it an ideal choice for cost-sensitive embedded applications with RTOS software. Texas Instruments CC350xE 2.4GHz SimpleLink wireless MCU features a -40°C to +105°C operating temperature range and is easy to design with a 56-pin, 7mm x 7mm quad flat no-leaded (QFN) package. Applications include medical, grid infrastructure, appliances, connected peripherals and printers, asset tracking, and building, factory, and retail automation.
Features
- Microcontroller
- Powerful 160MHz Arm Cortex-M33 processor with FPU, Arm® 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
- Over 1MB embedded SRAM, including 128KB TCM for Wi-Fi, BLE, networking, and application data
- Support for additional external PSRAM
- Peripherals
- Up to 38 I/Os with flexible multiplexing options
- 8x general-purpose timers and pulse-width modulation (PWM)
- 2x universal asynchronous receiver-transmitter (UART)
- 2x serial peripheral interface (SPI)
- 2x 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)
- Bluetooth
- Bluetooth Low Energy 5.4 certified stack
- Supports long-range and high-speed PHYs (up to 2Mbps)
- Wi-Fi 6 (802.11ax)
- Single-stream 20MHz channels with application throughput up to 20Mbps (UDP)
- Compatible with IEEE 802.11 b/g/n/ax
- Integrated PA for complete WLAN system with up to 20dBm output power at 1 DSSS
- Role support: STA, softAP with up to 4 stations, 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
- 20dBm at 1 DSSS
- 16dBm at 54 OFDM
- Wi-Fi RX sensitivity
- -98.6dBm at 1 DSSS
- -77.2dBm at 54 OFDM
- Clock source
- 40MHz crystal or external clock
- Internal 32.768kHz low-frequency oscillator, external XTAL, or slow clock options
- Key benefits
- Complete software development kit with open-source TCP/IP and TLS stacks
- Support for 3-wire PTA coexistence interface for use with external 2.4GHz radios (for example, Thread or Zigbee®)
- Antenna selection capability
- -40°C to +105°C operating temperature range
- Various security features
- Easy to design with 56-pin, 7mm x 7mm QFN package
Applications
- Building automation
- Thermostats
- HVAC motor control
- Wireless security cameras
- Video doorbells
- Garage door systems
- Appliances
- Refrigerators and freezers
- Ovens
- Washers and dryers
- Residential water heaters
- Air conditioner indoor units
- Coffee machines
- Vacuum robots
- Robotic lawn mowers
- Retail automation and payment
- Connected peripherals and printers
- Grid infrastructure
- Electricity meters
- String inverters
- Micro inverters
- Battery energy storage systems (BESS)
- EV charging infrastructure
- Medical
- Infusion pumps
- Electronic hospital beds and bed control
- Multiparameter patient monitors
- CPAP machines
- Telehealth systems
- Ultrasound scanners
- Ultrasound smart probes
- Electric toothbrushes
- Factory automation and control
- Asset tracking
Functional Block Diagram
