TWR-K21D50M|Tower System Board|Kinetis MCUs | NXP Semiconductors

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Kinetis K21 50 MHz MCU Tower System Module

TWR-K21D50M Active

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The TWR-K21D50M module is a development board for the Kinetis® K11, K12, K21 and K22 MCUs, which are ideal for optimized, cost-sensitive security applications.

This Tower® module is designed to enable rapid prototyping and development for applications requiring medium embedded memory densities, security through tamper detect and crypto unit and communication through USB.

The TWR-K21D50M module operates as a standalone debug tool and can also be combined and used as part of the modular Tower System development platform..

Supported Devices

Processors and Microcontrollers

K1x Mainstream

  • K11_50: Kinetis® K11-50 MHz, Anti-Tamper Microcontrollers (MCUs) based on Arm® Cortex®-M4 Core
  • K12_50: Kinetis® K12-50 MHz, Microcontrollers (MCUs) with Optimized Features based on Arm® Cortex®-M4 Core

K2x / KS2x USB

  • K21_50: Kinetis® K21-50 MHz, Full-Speed USB, Anti-Tamper Microcontrollers based on Arm® Cortex®-M4 Core
  • K22_50: Kinetis® K22-50 MHz, Cost Effective, Full-Speed USB Microcontrollers (MCUs) based on Arm® Cortex®-M4 Core

Features

Microcontroller

  • MK21D MCU: MK21DN512AVMC5 or MK21D512VMC5 in a 121 MAPBGA

Connectivity

  • Standalone USB 2.0 on-the-go (full speed)
  • Tower connectivity for access to UART, SPI, I²C

Debug

  • Integrated, open source JTAG

Sensors

  • MMA8451Q 3-axis accelerometer
  • Tamper pin header
  • Tower® Plug-In (TWRPI)

Components

  • Potentiometer
  • 4 LEDs
  • Pushbuttons
  • Nd battery holder

MCUXpresso Software and Tools

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Buy Options

TWR-K21D50M-Image

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  • TWR-K21D50M
    Active

  • Tower System Development Board for Kinetis K11, K12, K21 and K22 (50 MHz) MCUs.

    • TWR-K21D50M board with a 512KB flash, 121 MAPBGA, 32-bit MCU
    • Quick Start Guide
    • 2 USB cables (micro, mini)
    • USB Adapter
    • Battery
  • For a quantity of 1
Order from distributors
N true 0 TSPTWR-K21D50Men 10 Application Note Application Note t789 2 Fact Sheet Fact Sheet t523 3 Quick Reference Guide Quick Reference Guide t525 1 Release Note Release Note t933 2 Supporting Information Supporting Information t531 1 User Guide User Guide t792 1 en_US 4 1 2 English The TWR-K21D50M MCU module is designed to work either in stand-alone mode or as part of the Tower<sup>&#174;</sup> System, a modular development platform that enables rapid prototyping and tool re-use through reconfigurable hardware. 1343145047115709145494 TSP 690.9 KB None None documents None 1343145047115709145494 /docs/en/quick-reference-guide/TWRK21D50MQSG.pdf 690939 /docs/en/quick-reference-guide/TWRK21D50MQSG.pdf TWRK21D50MQSG N N 2012-08-14 TWR-K21D50M - Quick Start Guide /docs/en/quick-reference-guide/TWRK21D50MQSG.pdf /docs/en/quick-reference-guide/TWRK21D50MQSG.pdf Quick Reference Guide N Y 803735842453594974 2023-06-19 pdf N en Jan 30, 2015 Quick Reference Guide t525 Quick Reference Guide Quick Reference Guide N N TWR-K21D50M - Quick Start Guide 2 2 English User's guide for the Tower<sup>&#174;</sup> development board TWR-K21D50M for Kinetis K21 high-performance microcontrollers (MCU) 1344890088292704082872 TSP 803.5 KB Registration without Disclaimer None documents Y Extended 1344890088292704082872 /secured/assets/documents/en/user-guide/TWRK21D50MUM.pdf 803456 /secured/assets/documents/en/user-guide/TWRK21D50MUM.pdf TWRK21D50MUM Y N 2016-10-31 TWR-K21D50M Tower Module User's Guides /webapp/Download?colCode=TWRK21D50MUM /secured/assets/documents/en/user-guide/TWRK21D50MUM.pdf User Guide N Y 132339537837198660 2023-06-18 pdf Y en Jan 27, 2015 User Guide t792 User Guide User Guide Y N TWR-K21D50M Tower Module User's Guides 3 0 Chinese 1390513064776704875533zh TSP 214.6 KB None None documents None 1390513064776704875533 /docs/zh/fact-sheet/KINK2XFS.pdf 214629 /docs/zh/fact-sheet/KINK2XFS.pdf KINK2XFS documents N N 2017-02-27 Kinetis K2x MCU Family - Fact Sheet /docs/zh/fact-sheet/KINK2XFS.pdf /docs/zh/fact-sheet/KINK2XFS.pdf /docs/zh/fact-sheet/KINK2XFS.pdf Fact Sheet N Y 736675474163315314 2022-12-07 N zh 736675474163315314 Fact Sheet N Kinetis K2x系列MCU简介 11 English Kinetis K2x MCU Family - Fact Sheet 1390513064776704875533 TSP 214.6 KB None None documents None 1390513064776704875533 /docs/en/fact-sheet/KINK2XFS.pdf 214629 /docs/en/fact-sheet/KINK2XFS.pdf KINK2XFS N N 2017-02-27 Kinetis K2x MCU Family - Fact Sheet /docs/en/fact-sheet/KINK2XFS.pdf /docs/en/fact-sheet/KINK2XFS.pdf Fact Sheet N Y 736675474163315314 2022-12-07 pdf N en Feb 24, 2017 Fact Sheet t523 Fact Sheet Fact Sheet Y N Kinetis K2x MCU Family - Fact Sheet 4 9 English Kinetis K2x MCU Family - Fact Sheet 1394497079453740415678 TSP 222.2 KB None None documents None 1394497079453740415678 /docs/en/fact-sheet/KNTSK1XFMLYFS.pdf 222175 /docs/en/fact-sheet/KNTSK1XFMLYFS.pdf KNTSK1XFMLYFS N N 2016-10-31 Kinetis K1x MCU Family - Fact Sheet /docs/en/fact-sheet/KNTSK1XFMLYFS.pdf /docs/en/fact-sheet/KNTSK1XFMLYFS.pdf Fact Sheet N Y 736675474163315314 2022-12-07 pdf N en Mar 10, 2014 Fact Sheet t523 Fact Sheet Fact Sheet Y N Kinetis K1x MCU Family - Fact Sheet false en_US 0 false en Application Note Application Note 2 5 0 English AN4626SW.zip /docs/en/application-note-software/AN4626SW.zip /docs/en/application-note-software/AN4626SW.zip This Application Note describes how to create a new Board Support Package (BSP) for MQX (RTOS) in KEIL for porting purposes 1351759369680726335859 TSP 1.6 MB None None documents None 1351759369680726335859 /docs/en/application-note/AN4626.pdf 1595410 /docs/en/application-note/AN4626.pdf AN4626 documents N N 2012-11-01 MQX Board Support Package (BSP) - Porting Guide on KEIL /docs/en/application-note/AN4626.pdf /docs/en/application-note/AN4626.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Oct 31, 2012 645036621402383989 Application Note Y N MQX Board Support Package (BSP) - Porting Guide on KEIL 6 0 English AN4307SW.zip /docs/en/application-note-software/AN4307SW.zip /docs/en/application-note-software/AN4307SW.zip Guidelines to use crypto algorithms and hashing functions leveraging Kinetis/ColdFire(+)&#8217;s mmCAU for security applications such as SSL, SSH or Ipsec 1301930559496692320962 TSP 190.4 KB None None documents None 1301930559496692320962 /docs/en/application-note/AN4307.pdf 190357 /docs/en/application-note/AN4307.pdf AN4307 documents N N 2016-10-31 Using the CAU/mmCAU in ColdFire and Kinetis families /docs/en/application-note/AN4307.pdf /docs/en/application-note/AN4307.pdf Application Note N 645036621402383989 2022-12-07 pdf N en May 18, 2011 645036621402383989 Application Note N Using the CAU/mmCAU in ColdFire and Kinetis families Fact Sheet Fact Sheet 1 7 7 Chinese 1276915766848722416768zh TSP 363.0 KB None None documents None 1276915766848722416768 /docs/zh/fact-sheet/KNTSK10FMLYFS.pdf 362972 /docs/zh/fact-sheet/KNTSK10FMLYFS.pdf KNTSK10FMLYFS documents N N 2016-10-31 Kinetis<sup>®</sup> K1x: Baseline Cortex-M4(F) MCUs /docs/zh/fact-sheet/KNTSK10FMLYFS.pdf /docs/zh/fact-sheet/KNTSK10FMLYFS.pdf Fact Sheet N 736675474163315314 2022-12-07 zh 736675474163315314 Fact Sheet N Kinetis K1x：Cortex-M4(F)基准MCU 4 English Kinetis K1x Fact Sheet: Baseline high-performance Arm<sup>®</sup> Cortex<sup>®</sup>-M4(F) microcontroller (MCU) family with mixed-signal and advanced security integration 1276915766848722416768 TSP 363.0 KB None None documents None 1276915766848722416768 /docs/en/fact-sheet/KNTSK10FMLYFS.pdf 362972 /docs/en/fact-sheet/KNTSK10FMLYFS.pdf KNTSK10FMLYFS documents N N 2016-10-31 Kinetis<sup>®</sup> K1x: Baseline Cortex-M4(F) MCUs /docs/en/fact-sheet/KNTSK10FMLYFS.pdf /docs/en/fact-sheet/KNTSK10FMLYFS.pdf Fact Sheet N 736675474163315314 2022-12-07 pdf N en Feb 14, 2020 736675474163315314 Fact Sheet Y N Kinetis<sup>®</sup> K1x: Baseline Cortex-M4(F) MCUs Release Note Release Note 2 8 0 English These are the release notes for the NXP&#13;&#10;Kinetis Software Development Kit (KSDK)&#13;&#10;1.1.0 for the MK21DA5 and MKW24D5&#13;&#10;devices. The core of the Kinetis SDK is a set of&#13;&#10;drivers architected in two layers: the Hardware&#13;&#10;Abstraction Layer (HAL) and the Peripheral&#13;&#10;Driver Layer. 1424208532607698948712 TSP 544.9 KB None None documents None 1424208532607698948712 /docs/en/release-note/KSDK110MK21DA5MKW24D5RN.pdf 544860 /docs/en/release-note/KSDK110MK21DA5MKW24D5RN.pdf KSDK110MK21DA5MKW24D5RN documents N N 2015-02-17 Kinetis<sup>&#174;</sup> SDK v.1.1.0 Release Notes for the MK21DA5 and MKW24D5 Devices /docs/en/release-note/KSDK110MK21DA5MKW24D5RN.pdf /docs/en/release-note/KSDK110MK21DA5MKW24D5RN.pdf Release Note N 487216834315582133 2022-12-07 pdf N en Feb 17, 2015 487216834315582133 Release Note Y N Kinetis<sup>&#174;</sup> SDK v.1.1.0 Release Notes for the MK21DA5 and MKW24D5 Devices 9 0 English These are the Release Notes for the MQX&#8482; RTOS for Kinetis SDK 1.1.0 TWR-K21D50M, TWR-KW24D512 and USB-KW24D512 NXP Platforms using the MK21DN512AVMC5 and MKW24D512VHA5 microcontrollers. 1424209298891731280879 TSP 605.2 KB None None documents None 1424209298891731280879 /docs/en/release-note/MQXKSDK110MK21DA5MKW24D5RN.pdf 605247 /docs/en/release-note/MQXKSDK110MK21DA5MKW24D5RN.pdf MQXKSDK110MK21DA5MKW24D5RN documents N N 2015-02-17 MQX&#8482; RTOS Release Notes for Kinetis<sup>&#174;</sup> SDK 1.1.0 MK21DA5 and MKW24D5 NXP<sup>&#174;</sup> Platforms /docs/en/release-note/MQXKSDK110MK21DA5MKW24D5RN.pdf /docs/en/release-note/MQXKSDK110MK21DA5MKW24D5RN.pdf Release Note N 487216834315582133 2022-12-07 pdf N en Feb 17, 2015 487216834315582133 Release Note Y N MQX&#8482; RTOS Release Notes for Kinetis<sup>&#174;</sup> SDK 1.1.0 MK21DA5 and MKW24D5 NXP<sup>&#174;</sup> Platforms Supporting Information Supporting Information 1 10 1 English This release note documents the K21D50M standalone package for MQX&#8482; RTOS 3.8.0. NXP K21D50M is a member of the Kinetis Arm<sup>&#174;</sup> Cortex<sup>&#174;</sup> processor family. The software is built base on MQX version 3.8.0. It includes RTOS basic and standard set of peripheral drivers. 1346442228862729528872 TSP 252.2 KB None None documents None 1346442228862729528872 /docs/en/supporting-information/FSL_MQX_RN_TWRK21D50M.pdf 252243 /docs/en/supporting-information/FSL_MQX_RN_TWRK21D50M.pdf FSL_MQX_RN_TWRK21D50M documents N N 2016-10-31 Freescale MQX™ Release Notes for TWR-K21D50M (3.8.0) /docs/en/supporting-information/FSL_MQX_RN_TWRK21D50M.pdf /docs/en/supporting-information/FSL_MQX_RN_TWRK21D50M.pdf Supporting Information N 371282830530968666 2023-06-18 pdf N en Aug 31, 2012 371282830530968666 Supporting Information Y N Freescale MQX™ Release Notes for TWR-K21D50M (3.8.0) false 0 TWR-K21D50M downloads en true 0 Y TSP Application Note 2 /docs/en/application-note/AN4626.pdf 2012-11-01 1351759369680726335859 TSP 5 Oct 31, 2012 Application Note This Application Note describes how to create a new Board Support Package (BSP) for MQX (RTOS) in KEIL for porting purposes None /docs/en/application-note/AN4626.pdf English documents 1595410 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN4626.pdf MQX Board Support Package (BSP) - Porting Guide on KEIL /docs/en/application-note/AN4626.pdf documents 645036621402383989 Application Note N en None Y pdf 0 N N MQX Board Support Package (BSP) - Porting Guide on KEIL 1.6 MB AN4626 N 1351759369680726335859 /docs/en/application-note/AN4307.pdf 2016-10-31 1301930559496692320962 TSP 6 May 18, 2011 Application Note Guidelines to use crypto algorithms and hashing functions leveraging Kinetis/ColdFire(+)&#8217;s mmCAU for security applications such as SSL, SSH or Ipsec None /docs/en/application-note/AN4307.pdf English documents 190357 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN4307.pdf Using the CAU/mmCAU in ColdFire and Kinetis families /docs/en/application-note/AN4307.pdf documents 645036621402383989 Application Note N en None pdf 0 N N Using the CAU/mmCAU in ColdFire and Kinetis families 190.4 KB AN4307 N 1301930559496692320962 Fact Sheet 3 /docs/en/fact-sheet/KNTSK10FMLYFS.pdf 2016-10-31 1276915766848722416768 TSP 7 Feb 14, 2020 Fact Sheet Kinetis K1x Fact Sheet: Baseline high-performance Arm<sup>®</sup> Cortex<sup>®</sup>-M4(F) microcontroller (MCU) family with mixed-signal and advanced security integration None /docs/en/fact-sheet/KNTSK10FMLYFS.pdf English documents 362972 None 736675474163315314 2022-12-07 N /docs/en/fact-sheet/KNTSK10FMLYFS.pdf Kinetis<sup>®</sup> K1x: Baseline Cortex-M4(F) MCUs /docs/en/fact-sheet/KNTSK10FMLYFS.pdf documents 736675474163315314 Fact Sheet N en None Y pdf 4 N N Kinetis<sup>®</sup> K1x: Baseline Cortex-M4(F) MCUs 363.0 KB KNTSK10FMLYFS N 1276915766848722416768 /docs/en/fact-sheet/KINK2XFS.pdf 2017-02-27 1390513064776704875533 TSP 3 Feb 24, 2017 Fact Sheet Fact Sheet Kinetis K2x MCU Family - Fact Sheet None /docs/en/fact-sheet/KINK2XFS.pdf English 214629 None Fact Sheet 2022-12-07 N /docs/en/fact-sheet/KINK2XFS.pdf Kinetis K2x MCU Family - Fact Sheet /docs/en/fact-sheet/KINK2XFS.pdf documents 736675474163315314 Fact Sheet N Y en None Y t523 pdf 11 N N Kinetis K2x MCU Family - Fact Sheet 214.6 KB KINK2XFS N 1390513064776704875533 /docs/en/fact-sheet/KNTSK1XFMLYFS.pdf 2016-10-31 1394497079453740415678 TSP 4 Mar 10, 2014 Fact Sheet Fact Sheet Kinetis K2x MCU Family - Fact Sheet None /docs/en/fact-sheet/KNTSK1XFMLYFS.pdf English 222175 None Fact Sheet 2022-12-07 N /docs/en/fact-sheet/KNTSK1XFMLYFS.pdf Kinetis K1x MCU Family - Fact Sheet /docs/en/fact-sheet/KNTSK1XFMLYFS.pdf documents 736675474163315314 Fact Sheet N Y en None Y t523 pdf 9 N N Kinetis K1x MCU Family - Fact Sheet 222.2 KB KNTSK1XFMLYFS N 1394497079453740415678 Quick Reference Guide 1 /docs/en/quick-reference-guide/TWRK21D50MQSG.pdf 2012-08-14 1343145047115709145494 TSP 1 Jan 30, 2015 Quick Reference Guide Quick Reference Guide The TWR-K21D50M MCU module is designed to work either in stand-alone mode or as part of the Tower<sup>&#174;</sup> System, a modular development platform that enables rapid prototyping and tool re-use through reconfigurable hardware. None /docs/en/quick-reference-guide/TWRK21D50MQSG.pdf English 690939 None Quick Reference Guide 2023-06-19 N /docs/en/quick-reference-guide/TWRK21D50MQSG.pdf TWR-K21D50M - Quick Start Guide /docs/en/quick-reference-guide/TWRK21D50MQSG.pdf documents 803735842453594974 Quick Reference Guide N Y en None N t525 pdf 2 N N TWR-K21D50M - Quick Start Guide 690.9 KB TWRK21D50MQSG N 1343145047115709145494 Release Note 2 /docs/en/release-note/KSDK110MK21DA5MKW24D5RN.pdf 2015-02-17 1424208532607698948712 TSP 8 Feb 17, 2015 Release Note These are the release notes for the NXP&#13;&#10;Kinetis Software Development Kit (KSDK)&#13;&#10;1.1.0 for the MK21DA5 and MKW24D5&#13;&#10;devices. The core of the Kinetis SDK is a set of&#13;&#10;drivers architected in two layers: the Hardware&#13;&#10;Abstraction Layer (HAL) and the Peripheral&#13;&#10;Driver Layer. None /docs/en/release-note/KSDK110MK21DA5MKW24D5RN.pdf English documents 544860 None 487216834315582133 2022-12-07 N /docs/en/release-note/KSDK110MK21DA5MKW24D5RN.pdf Kinetis<sup>&#174;</sup> SDK v.1.1.0 Release Notes for the MK21DA5 and MKW24D5 Devices /docs/en/release-note/KSDK110MK21DA5MKW24D5RN.pdf documents 487216834315582133 Release Note N en None Y pdf 0 N N Kinetis<sup>&#174;</sup> SDK v.1.1.0 Release Notes for the MK21DA5 and MKW24D5 Devices 544.9 KB KSDK110MK21DA5MKW24D5RN N 1424208532607698948712 /docs/en/release-note/MQXKSDK110MK21DA5MKW24D5RN.pdf 2015-02-17 1424209298891731280879 TSP 9 Feb 17, 2015 Release Note These are the Release Notes for the MQX&#8482; RTOS for Kinetis SDK 1.1.0 TWR-K21D50M, TWR-KW24D512 and USB-KW24D512 NXP Platforms using the MK21DN512AVMC5 and MKW24D512VHA5 microcontrollers. None /docs/en/release-note/MQXKSDK110MK21DA5MKW24D5RN.pdf English documents 605247 None 487216834315582133 2022-12-07 N /docs/en/release-note/MQXKSDK110MK21DA5MKW24D5RN.pdf MQX&#8482; RTOS Release Notes for Kinetis<sup>&#174;</sup> SDK 1.1.0 MK21DA5 and MKW24D5 NXP<sup>&#174;</sup> Platforms /docs/en/release-note/MQXKSDK110MK21DA5MKW24D5RN.pdf documents 487216834315582133 Release Note N en None Y pdf 0 N N MQX&#8482; RTOS Release Notes for Kinetis<sup>&#174;</sup> SDK 1.1.0 MK21DA5 and MKW24D5 NXP<sup>&#174;</sup> Platforms 605.2 KB MQXKSDK110MK21DA5MKW24D5RN N 1424209298891731280879 Supporting Information 1 /docs/en/supporting-information/FSL_MQX_RN_TWRK21D50M.pdf 2016-10-31 1346442228862729528872 TSP 10 Aug 31, 2012 Supporting Information This release note documents the K21D50M standalone package for MQX&#8482; RTOS 3.8.0. NXP K21D50M is a member of the Kinetis Arm<sup>&#174;</sup> Cortex<sup>&#174;</sup> processor family. The software is built base on MQX version 3.8.0. It includes RTOS basic and standard set of peripheral drivers. None /docs/en/supporting-information/FSL_MQX_RN_TWRK21D50M.pdf English documents 252243 None 371282830530968666 2023-06-18 N /docs/en/supporting-information/FSL_MQX_RN_TWRK21D50M.pdf Freescale MQX™ Release Notes for TWR-K21D50M (3.8.0) /docs/en/supporting-information/FSL_MQX_RN_TWRK21D50M.pdf documents 371282830530968666 Supporting Information N en None Y pdf 1 N N Freescale MQX™ Release Notes for TWR-K21D50M (3.8.0) 252.2 KB FSL_MQX_RN_TWRK21D50M N 1346442228862729528872 User Guide 1 /secured/assets/documents/en/user-guide/TWRK21D50MUM.pdf 2016-10-31 1344890088292704082872 TSP 2 Jan 27, 2015 User Guide User Guide User's guide for the Tower<sup>&#174;</sup> development board TWR-K21D50M for Kinetis K21 high-performance microcontrollers (MCU) Y Registration without Disclaimer /secured/assets/documents/en/user-guide/TWRK21D50MUM.pdf English 803456 None User Guide 2023-06-18 Y /webapp/Download?colCode=TWRK21D50MUM TWR-K21D50M Tower Module User's Guides /secured/assets/documents/en/user-guide/TWRK21D50MUM.pdf documents 132339537837198660 User Guide N Y en Extended Y t792 pdf 2 Y N TWR-K21D50M Tower Module User's Guides 803.5 KB TWRK21D50MUM N 1344890088292704082872 true Y Tools

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