K50_72: Kinetis® K50-72 MHz, USB Microcontrollers (MCUs) based on ARM® Cortex®-M4 Core

The Kinetis® K50 72 MHz Measurement MCUs, built on the ARM® Cortex®-M4 core, offer a scalable entry point into the mid-performance Kinetis portfolio offering USB, high-precision analog integration, flexible low-power and peripheral options. This family shares the comprehensive enablement and scalability of the Kinetis portfolio.

Kinetis® K50 Mid-Performance USB MCUs Block Diagram
Using thermocouple and thermistor devices with Kinetis® K53 - Demo
Analog to Digital Converter
Programmable Delay Block
System Integration Module
Nested Vector Interrupt Controller
Serial Audio Interface
Recommended Documentation (3)
Name/DescriptionTypeModified Date
Selector Guide: High-performance Kinetis® K Series MCUs (REV 1) PDF (2.4 MB) KINETISKMCUSELGDSelector Guides02 Oct 2015
Kinetis® K5x: Cortex-M4 MCUs with measurement engine (REV 5) PDF (221.2 kB) KNTSK50FMLYFSFact Sheets03 Nov 2015
Demonstration software for Kinetis® peripheral modules (REV 3) PDF (2.0 MB) KQRUGQuick Reference Guides30 May 2014
Data Sheets (3)
Name/DescriptionModified Date
Kinetis® K50: 72MHz Cortex-M4 160/288KB Flash 100/121pin (REV 3) PDF (2.1 MB) K50P100M72SF130 Nov 2012
Kinetis® K50: 72MHz Cortex-M4 160KB Flash (64 pin) (REV 3) PDF (2.0 MB) K50P64M72SF130 Nov 2012
Kinetis® K50: 72MHz Cortex-M4 160/288KB Flash (80 pin) (REV 3) PDF (2.1 MB) K50P81M72SF130 Nov 2012
Errata (5)
Name/DescriptionModified Date
Mask Set Errata for Mask 1N36B KINETIS_K_1N36B (REV 12FEB2015) PDF (160.0 kB) KINETIS_K_1N36B27 Feb 2015
Mask Set Errata for Mask 2N36B KINETIS_K_2N36B (REV 12FEB2015) PDF (152.6 kB) KINETIS_K_2N36B27 Feb 2015
Mask Set Errata for Mask 3N36B KINETIS_K_3N36B (REV 12FEB2015) PDF (159.9 kB) KINETIS_K_3N36B27 Feb 2015
KINETIS72MHZ_1N36B, Mask Set Errata for Mask 1N36B - Errata (REV 08 AUG 2013) PDF (148.7 kB) KINETIS72MHZ_1N36B16 Aug 2013
Errata Mask 2N36B for Kinetis® MCUs (REV 08 AUG 2013) PDF (165.8 kB) KINETIS72MHZ_2N36B16 Aug 2013
Application Notes (65)
Name/DescriptionModified Date
Filter-Based Algorithm for Metering Applications (REV 4) PDF (2.1 MB) AN426505 Apr 2016
FFT-Based Algorithm for Metering Applications - Application Note (REV 4) PDF (347.5 kB) AN425526 Jul 2015
Features of the FlexTimer Module (REV 0) PDF (1.4 MB) AN514222 Jun 2015
Power Management for Kinetis® and ColdFire®+ MCUs (REV 2) PDF (1.6 MB) AN450306 Apr 2015
Using Kinetis® FlexMemory as enhanced EEPROM (REV 2) PDF (863.9 kB) AN428204 Mar 2015
Power supply options for Tower® development plaftorm (REV 0.1) PDF (2.6 MB) AN464923 Sep 2014
Optimizing performance on Kinetis® K-series MCUs (REV 1) PDF (280.1 kB) AN474511 Jun 2014
Production Flash programming best practices for Kinetis® K and L MCUs (REV 1) PDF (173.6 kB) AN483502 May 2014
Cookbook for SAR ADC measurements (REV 1) PDF (843.1 kB) AN437317 Apr 2014
Tips using PDB in motor control applications on Kinetis® (REV 0) PDF (447.9 kB) AN482218 Dec 2013
I2C non-blocking communication (REV 0) PDF (570.5 kB) AN480321 Oct 2013
Developer’s Serial Bootloader (REV 13) PDF (1.4 MB) AN229508 Oct 2013
Deep-dive: Water Tolerance Feature in Touch-Sensing Software Library (REV 0) PDF (333.9 kB) AN478110 Sep 2013
An I2S application on Kinetis® (REV 0) PDF (239.2 kB) AN480001 Sep 2013
Using DSPI as Slave on MQX RTOS (v3.8) (REV 0) PDF (215.1 kB) AN479129 Aug 2013
Integrating a Processor Expert® driver (LDD) into a non-PEx project (REV 0) PDF (2.1 MB) AN476914 Aug 2013
AN4752, FreeMASTER Serial Driver Usage - Application Note (REV 0) PDF (2.1 MB) AN475231 May 2013
Connecting Kinetis® MCU with CMOS sensor interface through GPIO (REV 0) PDF (411.7 kB) AN462730 May 2013
AN4753, Rational ClearCase Use in CodeWarrior® 10.3 - Application Note (REV 0) PDF (392.5 kB) AN475330 May 2013
PMSM electrical parameters measurement (REV 0) PDF (2.3 MB) AN468023 Apr 2013
NXP® Solutions for ECG and Heart Rate Monitor (REV 1) PDF (2.1 MB) AN432317 Apr 2013
Implementing in-software flash programming on Kinetis® MCUs (REV 0) PDF (218.5 kB) AN469517 Apr 2013
Using NXP® USB stack to implement Audio class device (REV 0) PDF (309.9 kB) AN466523 Mar 2013
Remote monitoring solution using MQX and Kinetis® MCUs (REV 0) PDF (2.0 MB) AN464420 Mar 2013
I2C driver based on interrupt and blocking mechanism for MQX (REV 0) PDF (481.2 kB) AN465220 Mar 2013
Pulse Oximeter - Fundamentals and Design (REV 2) PDF (3.5 MB) AN432718 Jan 2013
Glucose Meter - Fundamentals and Design (REV 1) PDF (12.1 MB) AN436406 Jan 2013
Spirometer - Fundamentals and Design (REV 1) PDF (2.8 MB) AN432518 Dec 2012
Blood Pressure Monitor - Fundamentals and Design (REV 2) PDF (5.3 MB) AN432818 Dec 2012
USB Mass Storage Device (MSD) Host Bootloader (REV 1) PDF (2.6 MB) AN436806 Dec 2012
MQX Board Support Package (BSP) - Porting Guide on KEIL (REV 0) PDF (1.6 MB) AN462631 Oct 2012
BLDC Sensorless Algorithm Tuning (REV 0) PDF (1.4 MB) AN459711 Oct 2012
USB device firmware update (DFU) for Kinetis® MCUs (REV 1) PDF (2.5 MB) AN437007 Oct 2012
Using Kinetis® DMA and GPIO to emulate timer functionality (REV 0) PDF (825.4 kB) AN441927 Sep 2012
Using DMA to emulate ADC flexible scan mode on Kinetis® K (REV 0) PDF (204.0 kB) AN459019 Sep 2012
NXP® Embedded Software and Motor Control libraries (REV 0) PDF (216.9 kB) AN461114 Sep 2012
Understanding the 16-bit ADC PGA in Kinetis® K Series (REV 0) PDF (421.8 kB) AN456809 Sep 2012
PWM synchronization using Kinetis® Flextimers (REV 0) PDF (1.2 MB) AN456002 Aug 2012
Using Kinetis® Security and Flash Protection Features (REV 1) PDF (188.2 kB) AN450717 Jun 2012
Robust over-the-air firmware update using program flash memory swap (REV 0) PDF (1.2 MB) AN453317 Jun 2012
Using Kinetis® K53 amplifiers to connect thermocouple and thermistor (REV 0) PDF (3.5 MB) AN450824 May 2012
Motor Control under MQX RTOS (REV 0) PDF (1.2 MB) AN425411 May 2012
Using FlexBus Interface for Kinetis® Microcontrollers (REV 0) PDF (723.5 kB) AN439310 May 2012
I2S (Inter-IC Sound Bus) application on Kinetis® MCUs (REV 0) PDF (382.7 kB) AN452008 May 2012
Pulse Oximeter using USB PHDC (REV 0) PDF (2.2 MB) AN449622 Mar 2012
Using CMSIS-DSP Algorithms with MQX and Kinetis® MCUs (REV 0) PDF (618.3 kB) AN448920 Mar 2012
Using Low Power modes on Kinetis® MCUs (REV 0) PDF (10.4 MB) AN447015 Feb 2012
Audio Output for Kinetis® MCUs using DMA/PWM, DAC or I2S (REV 0) PDF (458.4 kB) AN436913 Feb 2012
Low-Power management with MQX RTOS on Kinetis® MCUs (REV 0) PDF (251.8 kB) AN444730 Jan 2012
Display eGUI using TWR-LCD board (REV 0) PDF (1.6 MB) AN445217 Jan 2012
Configuring the FlexTimer for position and speed measurement (REV 0) PDF (382.6 kB) AN438105 Dec 2011
Kinetis® KwikStik-based EzPort programmer (REV 0) PDF (2.5 MB) AN440601 Dec 2011
Ventilator/Respirator - Fundamentals and Design (REV 0) PDF (5.9 MB) DRM12723 Nov 2011
FlexTimer and ADC synchronization for Field-Oriented-Control (REV 0) PDF (751.2 kB) AN441022 Nov 2011
Prototyping with Tower® System MCU development board (REV 0) PDF (320.9 kB) AN439011 Nov 2011
BLDC motor control w/ Hall Effect sensor - Kinetis® MCUs (REV 0) PDF (710.5 kB) AN437631 Oct 2011
Using WinUSB with MCU integrating USB device controller (REV 0) PDF (906.8 kB) AN437820 Oct 2011
USB Mass Storage Device (MSD) Bootloader (REV 0) PDF (434.3 kB) AN437917 Oct 2011
Ethernet Bootloader for Kinetis® MCUs (REV 0) PDF (1.6 MB) AN436712 Sep 2011
Designing prototypes with Kinetis® Tower® system and MQX (REV 0) PDF (1.3 MB) AN434601 Sep 2011
Implement protocol converters w/ MQX communication driver (REV 0) PDF (217.1 kB) AN434526 Aug 2011
Using I2C on Coldfire+ and Kinetis® MCUs (REV 0) PDF (2.0 MB) AN434210 Aug 2011
AN3863, Designing Touch Sensing Electrodes - Application Notes (REV 4) PDF (648.4 kB) AN386320 Jul 2011
Writing Touch Sensing Software Using TSI Module (REV 0) PDF (341.5 kB) AN433012 Jul 2011
AN4287, MQX Board Support Package Porting Guide - Application Notes (REV 0) PDF (1.3 MB) AN428713 Jun 2011
Reference Manuals (3)
Name/DescriptionModified Date
Kinetis® K50: 72MHz Cortex-M4 160/288KB Flash 100/121pin (REV 1.1) PDF (7.9 MB) K50P100M72SF1RM28 Jun 2015
Kinetis® K50: 72MHz Cortex-M4 160KB Flash (64 pin) (REV 1.1) PDF (7.7 MB) K50P64M72SF1RM28 Jun 2015
Kinetis® K50: 72MHz Cortex-M4 160/288KB Flash (80 pin) (REV 1.1) PDF (7.8 MB) K50P81M72SF1RM28 Jun 2015
Release Notes (1)
Name/DescriptionModified Date
Processor Expert® 5.2 Release Notes (REV 5.2) TXT (24.2 kB) PE_5.2_RN12 Sep 2011
Product Briefs (1)
Name/DescriptionModified Date
Kinetis® K5x: Cortex-M4 MCUs with measurement engine (REV 8) PDF (613.4 kB) K50PB08 May 2011
Fact Sheets (1)
Name/DescriptionModified Date
Kinetis® K5x: Cortex-M4 MCUs with measurement engine (REV 5) PDF (221.2 kB) KNTSK50FMLYFS03 Nov 2015
Brochures (2)
Name/DescriptionModified Date
Embedded Solutions Based on ARM Technology Guide (REV 8) PDF (4.5 MB) NXPARM07 Oct 2014
Beyond Bits Issue V (REV 6) PDF (7.1 MB) BR8BITBYNDBITS501 Nov 2010
Selector Guides (1)
Name/DescriptionModified Date
Selector Guide: High-performance Kinetis® K Series MCUs (REV 1) PDF (2.4 MB) KINETISKMCUSELGD02 Oct 2015
Quick Reference Guides (1)
Name/DescriptionModified Date
Demonstration software for Kinetis® peripheral modules (REV 3) PDF (2.0 MB) KQRUG30 May 2014
Supporting Information (2)
Name/DescriptionModified Date
Touch Sensing Software 2.5 Beta Release notes (REV 2.5) PDF (232.4 kB) TSS_RELEASE_NOTES08 Nov 2010
Calculators
Snippets, Boot Code, Headers, Monitors, etc.
Device Drivers
Updates and Patches
Ordering Information
ProductStatusStatusBudgetary Price excluding tax(US$)HW dev. toolsCore TypeFloating Point UnitOperating Frequency (Max) (MHz)On-chip SRAM (KB)Total Flash (KByte)EEPROM (KB)External memory & connectivity interfacesUARTSPII2CI2SUSBUSB featuresPin countADCDAC16-bit PWM (ch)16-bit Timer (ch)32-bit Timer (ch)Other analog blocksSecurityHuman Machine InterfaceVDD (min)VDD (max) (V)Package typePackage dimension (WxLxH) (mm3)Pin pitch (mm)Ambient Operating Temperature (Min-Max) (°C)
MK50DX128CLK7Active10K @ US$3.69TWR-K53N512ARM Cortex-M472341602External bus interface42211 (FS)Device Charge Detect8016-bit (SAR) x 212-bit x 112134Comparator, OPAMP, PGA, TRIAMP, VREFCRCTouch System Interface1.713.6LQFP12x12x1.60.5-40 to 85
MK50DX256CMC7Active10K @ US$4.37TWR-K53N512ARM Cortex-M472662882External bus interface52211 (FS)Device Charge Detect12116-bit (SAR) x 212-bit x 112134Comparator, OPAMP, PGA, TRIAMP, VREFCRCTouch System Interface1.713.6MAPBGA8x8x1.50.65-40 to 85
MK50DX256CLL7Active10K @ US$4.17TWR-K53N512ARM Cortex-M472662882External bus interface52211 (FS)Device Charge Detect10016-bit (SAR) x 212-bit x 112134Comparator, OPAMP, PGA, TRIAMP, VREFCRCTouch System Interface1.713.6LQFP14x14x1.70.5-40 to 85
MK50DX128CLH7RActive10K @ US$3.46TWR-K53N512ARM Cortex-M472341602External bus interface31211 (FS)Device Charge Detect6416-bit (SAR) x 26-bit x 1, 12-bit x 112134Comparator, OPAMP, PGA, TRIAMP, VREFCRCTouch System Interface1.713.6LQFP10x10x1.60.5-40 to 85
MK50DX128CLH7Active10K @ US$3.46TWR-K53N512ARM Cortex-M472321602External bus interface31211 (FS)Device Charge Detect6416-bit (SAR) x 26-bit x 1, 12-bit x 112134Comparator, OPAMP, PGA, TRIAMP, VREFCRCTouch System Interface1.713.6LQFP10x10x1.60.5-40 to 85
MK50DX256CLK7Active10K @ US$4.12TWR-K53N512ARM Cortex-M472662882External bus interface42211 (FS)Device Charge Detect8016-bit (SAR) x 212-bit x 112134Comparator, OPAMP, PGA, TRIAMP, VREFCRCTouch System Interface1.713.6LQFP12x12x1.60.5-40 to 85
MK50DX128CMC7Active10K @ US$3.93TWR-K53N512ARM Cortex-M472341602External bus interface52211 (FS)Device Charge Detect12116-bit (SAR) x 212-bit x 112134Comparator, OPAMP, PGA, TRIAMP, VREFCRCTouch System Interface1.713.6MAPBGA8x8x1.50.65-40 to 85
MK50DX128CLL7Active10K @ US$4.10ARM Cortex-M47232160100-40 to 85
Package Information
Package DescriptionOutline VersionPackingProduct StatusPart NumberChemical ContentRoHS / Pb FreeChina RoHS LookupMSLPPT (°C)
LQFP 64 10*10*1.4P0.598ASS23234WMPQ - 160 TRAYPOQ - 1600 BOXActiveMK50DX128CLH7MK50DX128CLH7.pdf3260
MPQ - 1500 REELPOQ - 1500 BOXActiveMK50DX128CLH7RMK50DX128CLH7R.pdf3260
LQFP 80 12*12*1.4P0.598ASS23174WMPQ - 96 TRAYPOQ - 960 BOXActiveMK50DX256CLK7MK50DX256CLK7.pdf3260
MPQ - 96 TRAYPOQ - 960 BOXActiveMK50DX128CLK7MK50DX128CLK7.pdf3260
LQFP 100 14SQ1.4P0.5 C9098ASS23308WMPQ - 90 TRAYPOQ - 900 BOXActiveMK50DX256CLL7MK50DX256CLL7.pdf3260
MPQ - 90 TRAYPOQ - 900 BOXActiveMK50DX128CLL7MK50DX128CLL7.pdf3260
MAPBGA 121 8*8*1.4 P0.6598ASA00423DMPQ - 348 TRAYPOQ - 1740 BOXActiveMK50DX128CMC7MK50DX128CMC7.pdf3260
MPQ - 348 TRAYPOQ - 1740 BOXActiveMK50DX256CMC7MK50DX256CMC7.pdf3260
Kinetis® K50: 72MHz Cortex-M4 160/288KB Flash 100/121pin K50_72
Kinetis® K50: 72MHz Cortex-M4 160KB Flash (64 pin) K50_72
Kinetis® K50: 72MHz Cortex-M4 160/288KB Flash (80 pin) K50_72
Mask Set Errata for Mask 1N36B KINETIS_K_1N36B K51_72
Mask Set Errata for Mask 2N36B KINETIS_K_2N36B K51_72
Mask Set Errata for Mask 3N36B KINETIS_K_3N36B K51_72
KINETIS72MHZ_1N36B, Mask Set Errata for Mask 1N36B - Errata K51_72
Errata Mask 2N36B for Kinetis® MCUs K51_72
Filter-Based Algorithm for Metering Applications KM3x
FFT-Based Algorithm for Metering Applications - Application Note MCF51EM
Features of the FlexTimer Module kv5x
Power Management for Kinetis® and ColdFire®+ MCUs mcf51qx
Power supply options for Tower® development plaftorm kw2xd
Optimizing performance on Kinetis® K-series MCUs K70_120
Production Flash programming best practices for Kinetis® K and L MCUs kl8x
Cookbook for SAR ADC measurements kv4x
Tips using PDB in motor control applications on Kinetis® kv4x
I2C non-blocking communication 56f803x
Developer’s Serial Bootloader S08SL
Deep-dive: Water Tolerance Feature in Touch-Sensing Software Library kl4x
An I2S application on Kinetis® kl4x
Using DSPI as Slave on MQX RTOS (v3.8) K70_120
Integrating a Processor Expert® driver (LDD) into a non-PEx project kl8x
AN4752, FreeMASTER Serial Driver Usage - Application Note S08SV
Connecting Kinetis® MCU with CMOS sensor interface through GPIO K70_120
AN4753, Rational ClearCase Use in CodeWarrior® 10.3 - Application Note S08SV
PMSM electrical parameters measurement MPC5567
NXP® Solutions for ECG and Heart Rate Monitor MCF51MM
Implementing in-software flash programming on Kinetis® MCUs MCF51QE
Using NXP® USB stack to implement Audio class device kl8x
Remote monitoring solution using MQX and Kinetis® MCUs K70_120
I2C driver based on interrupt and blocking mechanism for MQX kv4x
Pulse Oximeter - Fundamentals and Design MCF51MM
Glucose Meter - Fundamentals and Design MCF51MM
Spirometer - Fundamentals and Design MCF51MM
Blood Pressure Monitor - Fundamentals and Design MCF51MM
USB Mass Storage Device (MSD) Host Bootloader S08JS
MQX Board Support Package (BSP) - Porting Guide on KEIL K70_120
BLDC Sensorless Algorithm Tuning kv4x
USB device firmware update (DFU) for Kinetis® MCUs S08JM
Using Kinetis® DMA and GPIO to emulate timer functionality kw2xd
Using DMA to emulate ADC flexible scan mode on Kinetis® K K70_120
NXP® Embedded Software and Motor Control libraries 56f803x
Understanding the 16-bit ADC PGA in Kinetis® K Series kv4x
PWM synchronization using Kinetis® Flextimers kv4x
Using Kinetis® Security and Flash Protection Features kv3x
Robust over-the-air firmware update using program flash memory swap K70_120
Using Kinetis® K53 amplifiers to connect thermocouple and thermistor K53_100
Motor Control under MQX RTOS MCF5441X
Using FlexBus Interface for Kinetis® Microcontrollers K70_120
I2S (Inter-IC Sound Bus) application on Kinetis® MCUs kl4x
Pulse Oximeter using USB PHDC K70_120
Using CMSIS-DSP Algorithms with MQX and Kinetis® MCUs kw2xd
Using Low Power modes on Kinetis® MCUs kl8x
Audio Output for Kinetis® MCUs using DMA/PWM, DAC or I2S kl8x
Low-Power management with MQX RTOS on Kinetis® MCUs kw2xd
Display eGUI using TWR-LCD board MCF5445X
Configuring the FlexTimer for position and speed measurement mcf51qx
Kinetis® KwikStik-based EzPort programmer K70_120
Ventilator/Respirator - Fundamentals and Design MCF51MM
FlexTimer and ADC synchronization for Field-Oriented-Control mc56f800x
Prototyping with Tower® System MCU development board kw2xd
BLDC motor control w/ Hall Effect sensor - Kinetis® MCUs kv4x
Using WinUSB with MCU integrating USB device controller S08JS
USB Mass Storage Device (MSD) Bootloader S08JS
Ethernet Bootloader for Kinetis® MCUs mcf51qx
Designing prototypes with Kinetis® Tower® system and MQX K70_120
Implement protocol converters w/ MQX communication driver K70_120
Using I2C on Coldfire+ and Kinetis® MCUs mcf51qx
AN3863, Designing Touch Sensing Electrodes - Application Notes kl8x
Writing Touch Sensing Software Using TSI Module kl8x
AN4287, MQX Board Support Package Porting Guide - Application Notes K70_120
Using Kinetis® FlexMemory as enhanced EEPROM K70_120
Kinetis® K50: 72MHz Cortex-M4 160/288KB Flash 100/121pin K50_72
Kinetis® K50: 72MHz Cortex-M4 160KB Flash (64 pin) K50_72
Kinetis® K50: 72MHz Cortex-M4 160/288KB Flash (80 pin) K50_72
Processor Expert® 5.2 Release Notes mcf51qx
Kinetis® K5x: Cortex-M4 MCUs with measurement engine K53_100
Kinetis® K5x: Cortex-M4 MCUs with measurement engine K53_100
基于ARM®技术的嵌入式控制解决方案 i.mx6sl-family
Beyond Bits Issue V mcf51qx
Selector Guide: High-performance Kinetis® K Series MCUs K82_150
Demonstration software for Kinetis® peripheral modules K82_150
Touch Sensing Software 2.5 Beta Release notes K60_120
TFS FlexMem Endurance Calculator K53_100
Kinetis MCU C/C++ Header Files K53_100
TFS Flash Driver Software for Kinetis and ColdFire+ Microcontrollers K53_100
PExDrv v10.2 Update 1.0.2 K53_100
98ASS23234W K51_72
MK50DX128CLH7.pdf K50_72
MK50DX128CLH7R.pdf K50_72
98ASS23174W K51_72
MK50DX256CLK7.pdf K50_72
MK50DX128CLK7.pdf K50_72
98ASS23308W K51_72
MK50DX256CLL7.pdf K50_72
MK50DX128CLL7.pdf K50_72
98ASA00423D K51_72
MK50DX128CMC7.pdf K50_72
MK50DX256CMC7.pdf K50_72