Features

Microcontroller

• Powerful 160MHz Arm®Cortex®-M33 processor with FPU, TrustZone®, and AI acceleration
• High-speed quad-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 29 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 18 dBm 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:
    • 18 dBm at 1DSSS
    • 16 dBm at 54OFDM
  • Wi-Fi RX Sensitivity:
    • –96 dBm at 1DSSS
    • –74 dBm 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, external 32.768kHz XTAL, or external slow clock source

Power Management

• Support for 3.3V and 1.8V on multiple I/O domains
• Supplies:
  • VDD_3V3: 3.3V
  • VDD_1V8: 1.8V
  • VDD_SF: 1.8/3.3V
  • VIO1: 1.8/3.3V
  • VIO2: 1.8/3.3V

Key Benefits

• Complete software development kit with open-source TCP/IP and TLS stacks
• Operating temperature: –40°C to +85°C
• Support for 3-wire PTA coexistence interface for use with external 2.4GHz radios (for example Thread or Zigbee®)
• Antenna selection capability

Memory

• Up to 32MB XiP flash
• Up to 8MB optional PSRAM

Antenna Options

• Integrated PCB trace antenna
• U.FL connector
• ANT pin

Package

• LGA-101, 15mm x 27mm x 3.4mm, PCB trace antenna variants
• LGA-101, 15mm x 23.5mm x 3.4mm, U.FL connector variants
• LGA-101, 15mm x 19mm x 3.4mm, ANT pin variants

Certifications - In-progress

• Bluetooth SIG
• FCC
• IC
• MIC
• CE-RED