50–75 MHz Precision Metrology MCUs with Segment LCDs Based on Arm® Cortex®-M0+

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Block Diagram

KM3x MCU Family

KM3x MCU Family Block Diagram

Features

General Features

  • High-performance Arm® Cortex®-M0 core, up to 75 MHz of core clock frequency
  • 512 KB/256 KB/64 KB single array flash
  • Supports v6-M Instruction Set Architecture (ISA) including all 16-bit v7-M instructions plus a number of 32-bit thumb-2 instructions
  • PLL to generate clocks for AFE
    • Input range: 31.25 kHz to 39.0625 kHz
    • Output range: 11.72 MHz to 14.65 MHz
  • FLL to generate core, system and flash clocks
    • Input range: 31.25 kHz to 39.0625 kHz
    • Output Range: 20 MHz to 50 MHz
  • Flexible modes of operation
  • Two internal trimmable clock references
    • 32 kHz
    • 4 MHz

Analog Front End

  • 24-bit sigma delta ADC with 94 dB SNR
  • Programmable gain amplifier with gains from 1 to 32 with low temperature drift
  • High precision internal voltage reference with low temperature drift

Security

  • Tamper detection with time stamping
  • Random number generator, memory protection unit
  • Memory Mapped Cryptographic Acceleration Unit (MMCAU) for AES Encryption
  • Cyclic Redundancy Check (CRC)

Interfaces

  • Voltage range 1.71 volts - 3.6 volts (without AFE)
  • Voltage range 2.7 volts - 3.6 volts (with AFE)
  • Temperature range -40°C to 105°C

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Documentation

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1-10 of 70 documents

Compact List

Application Note (35)
Application Note Software (13)
Data Sheet (4)
Errata (4)
Fact Sheet (1)
Product Brief (1)
Reference Manual (9)
User Guide (2)
White Paper (1)

Design Files

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2 design files

Hardware

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1-5 of 16 hardware offerings

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Software

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1-5 of 8 software files

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

Engineering Services

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Training

2 trainings