Kinetis® K11-50 MHz, Anti-Tamper Microcontrollers (MCUs) based on Arm® Cortex®-M4 Core

K11_50

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The Kinetis® K11 50 MHz baseline MCUs, built on the Arm® Cortex®-M4 core, are optimized for cost-sensitive applications requiring low-power, security encryption, tamper detection and processing efficiency. This family shares the comprehensive enablement and scalability of the Kinetis portfolio.

Please contact your local NXP representative to download the K11 Security Data sheet and Reference Manual documents (under NDA).

Product Details

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Block Diagram

Kinetis K11 50 MHz Baseline MCUs Block Diagram

Kinetis K11 50 MHz Baseline MCUs Block Diagram
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Features

Low-Power

  • 11 low-power modes with power and clock gating for optimal peripheral activity and recovery times. 4 µs wake-up from Stop mode
  • Full memory and analog operation down to 1.71 volts for extended battery life
  • Low-leakage wake-up unit with up to eight internal modules and 16 pins as wake-up sources in low-leakage stop (LLS)/very low-leakage stop (VLLS) modes
  • Low-power timer for continual system operation in reduced power state

Flash, SRAM and FlexMemory

  • 128 KB-512 KB flash. Fast access, high reliability with 4-level security protection
  • Up to 64 KB FlexRAM
  • FlexMemory
    • Up to 4 KB of user-segmentable byte write/erase EEPROM for data tables/system data
    • EEPROM with over 10M cycles and flash with 100 µsec write time (brownouts without data loss or corruption)
    • No user or system intervention to complete programming and erase functions and full operation down to 1.71 volts
    • In addition, FlexNVM from 64 KB for extra program code, data or EEPROM backup

Performance

  • 50 MHz Cortex-M4 core with DSP instruction set, single cycle MAC and single instruction multiple data (SIMD) extensions
  • Up to 16-channel DMA for peripheral and memory servicing with reduced CPU loading and faster system throughput0 MHz core
  • Cross bar switch enables concurrent multi-leader bus accesses, increasing bus bandwidth

Timing and Control

  • Up to two FlexTimers with a total of 10 channels. Hardware dead-time insertion and quadrature decoding for motor control
  • Carrier modulator timer for infrared waveform generation in remote control applications
  • Four-channel 32-bit periodic interrupt timer provides time base for RTOS task scheduler or trigger source for ADC conversion and programmable delay block

Connectivity and Communications

  • Up to three UARTs. One UART supports RS232 with flow control, RS485, ISO7816 and IrDA. All other two UARTS support RS232 with flow control and RS485
  • One inter-IC Sound (I²S) serial interface for audio system interfacing
  • One DSPI and one I²C

Reliability, Safety and Security

  • Hardware Encryption coprocessor for secure data transfer and storage
    • Faster than software implementations and with minimal CPU loading
    • Supports a wide variety of algorithms - DES, 3DES, AES, MD5, SHA-1, SHA-256
  • System security and tamper detect with secure real-time clock with independent battery supply. Secure key storage with internal/external tamper detect for unsecure flash, temperature, clock, and supply voltage variations and physical attack detection
  • Cyclic redundancy check engine validates memory contents and communication data, increasing system reliability
  • Independent-clocked COP guards against clock skew or code runaway for fail-safe applications such as the IEC 60730 safety standard for household appliances
  • External watchdog monitor drives output pin to safe state external components if watchdog event occurs

Design Resources

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