K32W061/41: High-Performance, Secure and Ultra-Low-Power MCU for Zigbee®,Thread™, and Bluetooth® LE 5.0 with Built-In NFC Option

K32W061_41

The K32W061/41 portfolio is designed to power the next generation of ultra-low-current multiprotocol wireless IoT devices with support for IEEE 802.15.4 mesh network protocols Zigbee® and Thread™ as well as Bluetooth® Low Energy 5.0. This portfolio also supports Matter, the unified IP-based application layer to work across ecosystems being developed by the Connectivity Standards Alliance, targeted for release by end of 2021.

These wireless MCUs include multiple low-power modes and ultra-low radio Tx and Rx power consumption which enables IoT products powered by K32W061/41 to have extended battery life. With high Rx sensitivity and configurable Tx output power, the K32W061/41 MCUs offer reliable and robust connectivity performance.

The K32W061/41 portfolio is powered by an Arm® Cortex®-M4 MCU and with 640 KB on-board flash and 152 KB SRAM, has enough room and flexibility for complex applications and over-the-air (OTA) upgrade capability without external memory. These devices also include a rich set of MCU digital and analog peripherals and multiple serial communication interfaces for embedded connected applications and a quad serial flash memory controller, SPIFI, that can be used to extend non-volatile memory.

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K32W061/41 Block Diagram

K32W061/41 Block Diagram
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Features

CPU and Memory

  • Up to 48MHz Cortex-M4
  • 640 KB flash, 152 KB RAM and 128 KB ROM
  • NFC NTAG Option with EEPROM (K32W061 only)
  • Quad-SPI for data storage in external NVM

RF Performance/Power Consumption

  • Support of Zigbee 3.0, Thread, and IEEE 802.15.4 and Bluetooth Low Energy 5.0
  • -100 dBm RX sensitivity
  • Up to 11dBm TX power
  • RX 4.3mA, DC/DC on at 3V
  • TX 7.4mA @ 0dBm, 20.3mA @ 10dBm
  • Numerous and flexible low-power modes, Power Down Mode current <1uA
  • Bluetooth LE 5.0 with 2Mbps and up to 8 simultaneous connections
  • Improved Wi-Fi co-existence

Security

  • AES256 with hardware protected key
  • Hash engine (SHA256)
  • Code readout protection

Digital and Analog Interfaces

  • UART/SPI/I2C up to 2
  • ISO7816 Interface for Secure Access Module
  • 8 ch 12-bit ADC
  • 1 Analog comparator
  • Digital Microphone Interface and Audio Event Detection

Clocks and Timers

  • 32 MHz and 32.768 kHz crystals
  • Low and High Frequency Internal Clock sources
  • 4 x general purpose timer
  • 32 K sleep timer
  • Watchdog timer
  • RTC with calibration

Operating Conditions

  • Operating voltage: 1.9 to 3.6 V
  • Junction Temperature range: -40 to 125 °C

部品番号： K32W041, K32W061.

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