KL03: Kinetis KL03-48MHz, 1x I2C, Small package, Entry-Level Ultra-Low Power MCU based on ARM® Cortex®-M0+

The Kinetis® KL03 chip-scale package (CSP) MCU offers the world's smallest ARM Powered® microcontroller, designed to support the latest innovation in smart, small devices.

Kinetis® L Series KL03x MCUs Block Diagram
Kinetis® KL03 CSP Chip Shot
Recommended Documentation (3)
Name/DescriptionTypeModified Date
Kinetis® KL03: Low-power Cortex-M0+ MCU in 20-pin WLCSP (REV 2) PDF (197.4 kB) KINETISKL03CSPFSFact Sheets12 Nov 2014
Kinetis® KL03: 48MHz Cortex-M0+ 8-32KB Flash (16-24pin) (REV 4) PDF (1.1 MB) KL03P24M48SF0Data Sheets03 Sep 2014
Kinetis® L Series MCUs Product Selector Guide (REV 3) PDF (1.1 MB) KINETISLMCUSELGDSelector Guides11 Aug 2016
Data Sheets (1)
Name/DescriptionModified Date
Kinetis® KL03: 48MHz Cortex-M0+ 8-32KB Flash (16-24pin) (REV 4) PDF (1.1 MB) KL03P24M48SF003 Sep 2014
Errata (1)
Name/DescriptionModified Date
Errata Mask 1N86K for Kinetis® KL03Z MCUs (REV 09 JUN 2014) PDF (175.8 kB) KL03Z_1N86K14 Jul 2014
Application Notes (26)
Name/DescriptionModified Date
Kinetis® KLx6/KL34 to KL43/KL33/KL27/KL17 Migration (REV 1) PDF (681.9 kB) AN499727 Apr 2016
AN3846 - Wafer Level Chip Scale Package (WLCSP) - Application Note (REV 4.0) PDF (1.7 MB) AN384612 Aug 2015
FFT-Based Algorithm for Metering Applications - Application Note (REV 4) PDF (347.5 kB) AN425526 Jul 2015
Power Management for Kinetis® and ColdFire®+ MCUs (REV 2) PDF (1.6 MB) AN450306 Apr 2015
Wireless Charging Receiver Using the Kinetis® KL05Z32 MCU - Application Note (REV 0) PDF (268.3 kB) AN507509 Feb 2015
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
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
Integrating a Processor Expert® driver (LDD) into a non-PEx project (REV 0) PDF (2.1 MB) AN476914 Aug 2013
Low-power pin sampling techniques using Kinetis® L MCUs (REV 0) PDF (179.9 kB) AN473429 Jul 2013
EMC design tips for Kinetis® L MCUs (REV 0) PDF (300.0 kB) AN474702 Jun 2013
AN4752, FreeMASTER Serial Driver Usage - Application Note (REV 0) PDF (2.1 MB) AN475231 May 2013
Implementing in-software flash programming on Kinetis® MCUs (REV 0) PDF (218.5 kB) AN469517 Apr 2013
Migration Guide from S08 to Kinetis® L Series MCUs (REV 0) PDF (559.8 kB) AN466223 Mar 2013
I2C driver based on interrupt and blocking mechanism for MQX (REV 0) PDF (481.2 kB) AN465220 Mar 2013
I2C Bootloader Design on Kinetis® L MCUs (REV 0) PDF (499.3 kB) AN465520 Mar 2013
Integrating Touch Sensing Software on Kinetis® L using GPIO method (REV 0) PDF (700.4 kB) AN463728 Nov 2012
Low-cost universal Motor Drive using Kinetis® L MCUs (REV 0) PDF (597.6 kB) AN460924 Oct 2012
Secure Bootloader implementation (REV 0) PDF (253.2 kB) AN460514 Oct 2012
Using Kinetis® DMA and GPIO to emulate timer functionality (REV 0) PDF (825.4 kB) AN441927 Sep 2012
Using Kinetis® Security and Flash Protection Features (REV 1) PDF (188.2 kB) AN450717 Jun 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
Low-Power management with MQX RTOS on Kinetis® MCUs (REV 0) PDF (251.8 kB) AN444730 Jan 2012
Prototyping with Tower® System MCU development board (REV 0) PDF (320.9 kB) AN439011 Nov 2011
Reference Manuals (2)
Name/DescriptionModified Date
Kinetis® Bootloader v1.2.0 Reference Manual (REV 0) PDF (1.9 MB) KBTLDR120RM21 Jul 2015
Kinetis® KL03: 48MHz Cortex-M0+ 8-32KB Flash (16-24pin) (REV 4) PDF (5.7 MB) KL03P24M48SF0RM03 Sep 2014
Users Guides (5)
Name/DescriptionModified Date
Kinetis® blhost User's Guide (REV 3) PDF (310.7 kB) KBLHOSTUG24 Apr 2016
Kinetis® Bootloader Demo Application User's Guide (REV 2) PDF (3.1 MB) KBTLDRDEMOUG24 Apr 2016
Getting Started with the Kinetis® ROM Bootloader - KBTLDRUG (REV 2) PDF (467.2 kB) KBTLDRUG24 Apr 2016
Kinetis® Updater User's Guide (REV 1) PDF (2.1 MB) KUPDTRUG21 Jul 2015
Set of general Math and motor control functions for ARM Cortex-M0+ Core (REV 0) PDF (19.5 MB) CM0MCLUG08 Oct 2013
Release Notes (1)
Name/DescriptionModified Date
Kinetis® Bootloader v1.2.0 Release Notes (REV 0) PDF (401.1 kB) KBTLDR120RN21 Jul 2015
Product Briefs (1)
Name/DescriptionModified Date
Kinetis® KL03: Entry-level low power Cortex-M0+ MCUs (REV 3) PDF (1.1 MB) KL03PB06 Jul 2014
Fact Sheets (1)
Name/DescriptionModified Date
Kinetis® KL03: Low-power Cortex-M0+ MCU in 20-pin WLCSP (REV 2) PDF (197.4 kB) KINETISKL03CSPFS12 Nov 2014
Brochures (1)
Name/DescriptionModified Date
Embedded Solutions Based on ARM Technology Guide (REV 8) PDF (4.5 MB) NXPARM07 Oct 2014
Selector Guides (1)
Name/DescriptionModified Date
Kinetis® L Series MCUs Product Selector Guide (REV 3) PDF (1.1 MB) KINETISLMCUSELGD11 Aug 2016
White Papers (1)
Name/DescriptionModified Date
NXP® Energy Efficient - Whitepaper (REV 2) PDF (398.7 kB) ENEFFSOLKINLSWP12 Nov 2014
Calculators
Snippets, Boot Code, Headers, Monitors, etc.
Device Drivers
Updates and Patches
Ordering Information
ProductStatusStatusBudgetary Price excluding tax(US$)On-chip SRAM (KB)Total Flash (KByte)UARTI2SSPII2CHuman Machine InterfacePackage typeSecurityUSB
MKL03Z32CBF4RActive10K @ US$0.85
MKL03Z32VFK4RActive10K @ US$0.61
MKL03Z16VFK4RActive10K @ US$0.52
MKL03Z32CAF4RActive10K @ US$0.80232111WLCSP
Package Information
Package DescriptionOutline VersionPackingProduct StatusPart NumberChemical ContentRoHS / Pb FreeChina RoHS LookupMSLPPT (°C)
WLCSP 20 1.99*1.61*0.3498ASA00964DMPQ - 5000 REELPOQ - 5000 BOXActiveMKL03Z32CBF4RContact UsContact Us1260
WLCSP 20 2*1.61*0.56 P.498ASA00676DMPQ - 5000 REELPOQ - 5000 BOXActiveMKL03Z32CAF4RMKL03Z32CAF4R.pdf1260
QFN MAP 24 4*4*0.65 P0.598ASA00602DMPQ - 5000 REELPOQ - 5000 BOXActiveMKL03Z16VFK4RMKL03Z16VFK4R.pdf3260
MPQ - 5000 REELPOQ - 5000 BOXActiveMKL03Z32VFK4RMKL03Z32VFK4R.pdf3260
Kinetis® KL03: 48MHz Cortex-M0+ 8-32KB Flash (16-24pin) kl0x
Errata Mask 1N86K for Kinetis® KL03Z MCUs kl0x
AN3846 - Wafer Level Chip Scale Package (WLCSP) - Application Note kl2x
FFT-Based Algorithm for Metering Applications - Application Note MCF51EM
Power Management for Kinetis® and ColdFire®+ MCUs mcf51qx
Wireless Charging Receiver Using the Kinetis® KL05Z32 MCU - Application Note kl0x
低功耗模式下使用UART唤醒Kinetis L系列MCU的方法 KL4x
Kinetis® KLx6/KL34 to KL43/KL33/KL27/KL17 Migration kl4x
Production Flash programming best practices for Kinetis® K and L MCUs kl8x
Cookbook for SAR ADC measurements kv4x
I2C non-blocking communication 56f803x
Developer’s Serial Bootloader S08SL
Integrating a Processor Expert® driver (LDD) into a non-PEx project kl8x
Low-power pin sampling techniques using Kinetis® L MCUs kl8x
EMC design tips for Kinetis® L MCUs kl8x
AN4752, FreeMASTER Serial Driver Usage - Application Note S08SV
Implementing in-software flash programming on Kinetis® MCUs MCF51QE
Migration Guide from S08 to Kinetis® L Series MCUs S08RN
I2C driver based on interrupt and blocking mechanism for MQX kv4x
I2C Bootloader Design on Kinetis® L MCUs kl8x
Integrating Touch Sensing Software on Kinetis® L using GPIO method kl4x
Low-cost universal Motor Drive using Kinetis® L MCUs kl4x
Secure Bootloader implementation MCF5441X
Using Kinetis® DMA and GPIO to emulate timer functionality kw2xd
Using Kinetis® Security and Flash Protection Features kv3x
Using CMSIS-DSP Algorithms with MQX and Kinetis® MCUs kw2xd
Using Low Power modes on Kinetis® MCUs kl8x
Low-Power management with MQX RTOS on Kinetis® MCUs kw2xd
Prototyping with Tower® System MCU development board kw2xd
Kinetis® Bootloader v1.2.0 Reference Manual kv4x
Kinetis® KL03: 48MHz Cortex-M0+ 8-32KB Flash (16-24pin) kl0x
Kinetis® blhost User's Guide kv3x
Kinetis® Bootloader Demo Application User's Guide kv4x
Getting Started with the Kinetis® ROM Bootloader - KBTLDRUG kv4x
Kinetis® Updater User's Guide kv4x
Set of general Math and motor control functions for ARM Cortex-M0+ Core kv1x
Kinetis® Bootloader v1.2.0 Release Notes kv4x
Kinetis® KL03: Entry-level low power Cortex-M0+ MCUs kl0x
Kinetis® KL03: Low-power Cortex-M0+ MCU in 20-pin WLCSP kl0x
基于ARM®技术的嵌入式控制解决方案 i.mx6sl-family
Kinetis® L Series MCUs Product Selector Guide kl4x
NXP® Energy Efficient - Whitepaper kl4x
EEPROM Emulation Endurance Calculator for Kinetis L Family kl4x
Kinetis L Software UART kl4x
TFS Flash Driver Software for Kinetis and ColdFire+ Microcontrollers K02_100
TFS Flash Driver Software for Kinetis and ColdFire+ Microcontrollers K53_100
PExDrv v10.2 Update 1.0.2 K53_100
98ASA00964D kl03
98ASA00676D kl03
MKL03Z32CAF4R.pdf kl03
98ASA00602D rs08kb
MKL03Z16VFK4R.pdf kl03
MKL03Z32VFK4R.pdf kl03
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