KW47: Automotive Bluetooth Core 6 MCUs with Channel Sounding Localization for Access and Telematics

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KW47 Architecure

KW47 Architecure

KW47 Device Features

KW47 Device Features

Features

Application core

  • Arm Cortex®-M33 core up to 96 MHz

Memory

  • Up to 96Hz Arm Cortex-M33 core
  • 2 MB program flash with ECC
  • 264kB SRAM with ECC and parity

Radio subsystem

  • Dedicated CM33 core running at up to 64 MHz
  • Secure 512 kB Flash supporting upgradable software radio
  • 171 KB SRAM optimized for link layer support
  • 2.4 GHz Bluetooth Low Energy Core Version 6.0 upgradeable radio supporting up to 24 simultaneous hardware connections in any central/peripheral combination
  • –106 dBm 125 kbps Long Range Receive Sensitivity
  • –102 dBm 500 kbps Long Range Receive Sensitivity
  • –97.5 dBm 1 Mbps Receive Sensitivity
  • –95 dBm 2 Mbps Receiver Sensitivity
  • Programmable Transmit Output Power up to +10 dBm
  • Data Rates: 125 kbps, 500 kbps, 1 Mbps and 2 Mbps
  • Modulation Types: 2 Level FSK, GFSK, MSK, GMSK
  • On-chip balun with single ended bidirectional RF port

Peripherals

  • Analog
    • 16-bit single ended SAR Analog-to-digital converter (ADC) up to 2 Msps
    • Two high-speed analog comparators (CMP) with 8-bit digital-to-analog converter (DAC)
    • 1.0 V to 2.1 V Voltage Reference (Vref)
  • Timers
    • Two 6-channel 32-bit timers (TPM) with PWM capability and DMA support
    • Two 32-bit low-power timers (LPTMR) or pulse counters with compare features
    • 4-channel 32-bit low-power periodic interrupt timer (LPIT)
    • with DMA support
    • One 56-bit timestamp timer
    • 32-bit seconds real time counter (RTC) with 32-bit alarm and independent power supply
    • Signal frequency analyzer (SFA) provides facilities for measurement of clock period/frequency as well as time between triggers

Security

  • EdgeLock Secure Enclave
  • Secure boot and debug
  • Symmetric Key Encryption - AES-128/192/256 and ECB, CBC, CTR, GCM, CMAC, and CCM Modes
  • Asymmetric Key Encryption - ECC NIST P–192/224/256/384/521, Curve25519
  • Key Exchange algorithms - ECDH(E), SPAKE2+, JPAKE
  • Digital Signature algorithms - ECDSA, Ed25519
  • Hash algorithms - SHA2-224/256/384/512, Poly1305
  • Secure Key Generation, Storage and Management
  • Flash access protection and optional encryption on-the-fly decryption using a PRINCE XEX block cipher mode

Packaging

  • 7 x 7 mm 48HVQFN with "Wettable"flanks

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Documentation

Quick reference to our documentation types

1-10 of 27 documents

Compact List

Application Note (22)
Data Sheet (1)
Errata (1)
Reference Manual (2)
User Guide (1)

Design Files

Hardware

Quick reference to our board types.

Software

Quick reference to our software types.

3 software files

Note: For better experience, software downloads are recommended on desktop.

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