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Kinetis ARM Cortex-M4 Microcontrollers


32-bit Kinetis MCUs represent the most scalable portfolio of ARM® Cortex™-M4 MCUs in the industry. The first phase of the portfolio consists of five MCU families with over 200 pin-, peripheral- and software compatible devices with outstanding performance, memory and feature scalability. Enabled by innovative 90nm Thin Film Storage (TFS) flash technology with unique FlexMemory (configurable embedded EEPROM), Kinetis features the latest low-power innovations and high performance, high precision mixed-signal capability. Kinetis MCUs are supported by a market-leading enablement bundle from Freescale and ARM 3rd party ecosystem partners.

The Kinetis family is part of Freescale's Energy Efficient Solutions


Kinetis ARM Cortex-M4 Microcontrollers


  • Kinetis K Series MCUs
    • K10: Low-Power MCU with optional Floating Point Unit 
    • K20: Low-Power MCU with USB with optional Floating Point Unit 
    • K30: Low-Power MCU with Segment LCD 
    • K40: Low-Power MCU with USB and Segment LCD 
    • K50: Low-Power MCU with Integrated Measurement Engine, Ethernet, USB and Segment LCD 
    • K60: Low-Power MCU with optional Floating Point Unit, Ethernet, USB, Encryption and Tamper Detect 
    • K70: Low-Power MCU with Floating Point Unit, Graphic LCD, Ethernet, USB, Encryption and Tamper Detect 
    Freescale Smart Meter

    Reinventing the Secure Prepaid Meter

    Freescale and INSIDE Secure have announced a secure, prepaid utility meter reference design with near-field communication (NFC) connectivity which OEMs can use to quickly and cost-effectively bring to market electricity metering products. The solution is based on Freescale's Kinetis MK30 ARM® Cortex™-M4 based microcontroller (MCU) and provides the first NFC-based, prepaid meter with the ability to securely reload energy credit balances.

    Explore our NFC prepaid meter solutions


    Kinetis Portfolio


    Kinetis Portfolio MCUs
    View and compare the new Kinetis families at a glance.

    View Kinetis portfolio now

    Know more about the new Kinetis MCUs with High-precision Analog Subsystem 72MHz low power devices

    The new, low-power Kinetis family members feature a 250µA/MHz run mode with a maximum frequency of 72 MHz and a variety of low power modes. The devices range from 64 KB to 256 KB of flash memory with up to 32 KB of innovative FlexMemory (with hyperlink), with up to 64 KB SRAM. Package options begin at 64 LQFP and extend to 104 MAPBGA. The integrated analog measurement engine includes two independent 16-bit ADCs that provide up to 1 MSPS in 12-bit mode and up to 14.5 ENOB for 16-bit differential input conversions. Each ADC has a programmable gain amplifier (up to 64x) allowing high-precision measurement of wide input signal dynamic range. These devices also can include two general purpose OPAMPs, a TRIAMP, up to three high-speed analog comparators, 12-bit DAC and internal voltage reference module.

    The low-power Kinetis family members can be found at:

    Make It Challenge

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