MCF51EM256 32-Bit MCU for Smart Meter Applications | NXP Semiconductors

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MCF51EM256 32-Bit MCU for Smart Meter Applications

MCF51EM Active

MCF51EM256 is NXP®.s smart-meter-on-a-chip 32-bit ColdFire® V1 core microcontroller (MCU) with embedded LCD controller, 16-bit analog-to-digital converter (ADC), and metrology-specific peripherals optimized for smart meter applications. MCF51EM256 comes with a full suite of hardware and software tools that make development quick and easy.

Block Diagram

ColdFire MCF51EM Microcontroller Block Diagram

ColdFire MCF51EM Microcontroller Block Diagram
Get diagram PDF

Features

  • 32-bit V1 ColdFire® CPU offering 47 MIPS at 50 MHz 3.3-volt single supply
  • Up to 256 KB flash (dual bank)
  • Up to 16 KB SRAM
  • Low-power operation mode
  • 4 x 16-bit segmentation and reassembly (SAR) ADC
  • 288 segment LCD driver
  • Up to 50 general purpose input/output (GPIO)
  • Integrated real-time clock (RTC)
  • Automatic meter reading (AMR) serial peripheral interface (SPI)
  • Background debug mode (BDM) for in-circuit debugging
  • The MCF51EM256 is included in NXP®.s product longevity program, with assured supply for a minimum of 10 years after launch

Buy/Parametrics

4 results

Include 0 NRND

Part

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Order

CAD Model

Status

Package Termination Count

Package Type

Budgetary Price excluding tax

Flash (kB)

RAM (kB)

Operating Frequency [Max] (MHz)

Supply Voltage [max] (V)

Supply Voltage [min] (V)

GPIO

Ambient Operating Temperature (Min to Max) (℃)

MCF51EM128CLK
Data Sheet

Active

80

LQFP80

10K @ US$5.66

128

8

50

3.6

1.8

40

-40 to 85

MCF51EM128CLL
Data Sheet

Active

100

LQFP100

10K @ US$6.06

128

8

50

3.6

1.8

47

-40 to 85

MCF51EM256CLK
Data Sheet

Active

80

LQFP80

10K @ US$6.21

256

16

50

3.6

1.8

40

-40 to 85

MCF51EM256CLL
Data Sheet

Active

100

LQFP100

10K @ US$6.62

256

16

50

3.6

1.8

47

-40 to 85

N true 0 PSPMCF51EMen 22 Application Note Application Note t789 11 Application Note Software Application Note Software t783 1 Data Sheet Data Sheet t520 1 Errata Errata t522 2 Fact Sheet Fact Sheet t523 1 Reference Manual Reference Manual t877 4 Supporting Information Supporting Information t531 1 User Guide User Guide t792 1 en_US 3 1 0 Chinese MCF51EM256FS: MCF51EM系列器件的独有功能包括：4个带PDB的16位SAR ADC用于实现CT补偿所需的低延迟、序列控制精确的四路并行转换，高达288 段的LCD驱动器和两块128 KB闪存(共256 KB)，带防篡改检测功能的RTC通过CR2032纽扣电池能够工作15年以上，通过MCU供电时甚至可以超过30年，32位MAC和AMR SPI用于实现5V AMR接口。 1254780972849709796111zh PSP 198.2 KB None None documents None 1254780972849709796111 /docs/zh/fact-sheet/MCF51EM256FS.pdf 198165 /docs/zh/fact-sheet/MCF51EM256FS.pdf MCF51EM256FS documents N 2009-10-05 MCF51EM Smart metering made easy with V1 ColdFire<sup>&#174;</sup> &#174; MCU - Fact Sheet /docs/zh/fact-sheet/MCF51EM256FS.pdf /docs/zh/fact-sheet/MCF51EM256FS.pdf /docs/zh/fact-sheet/MCF51EM256FS.pdf Fact Sheet N Y 736675474163315314 2022-12-07 zh 736675474163315314 Fact Sheet Y N ColdFire ® 内核的 MCF51EM可轻松构建智能仪表 - 简介 0 English MCF51EM256FS: Unique features of the MCF51EM family include 4 x 16-bit SAR ADC with PDB for precision sequencing of four simultaneous conversions and four conversions with small delay required for CT compensation, up to 288 segment LCD driver and two blocks of 128 KB flash (256 KB total), independent RTC with tamper detection providing more than 15 years from CR2032 coin cell and more than 30 years when powered by MCU, 32-bit MAC and AMR SPI for 5V AMR interface. 1254780972849709796111 PSP 198.2 KB None None documents None 1254780972849709796111 /docs/en/fact-sheet/MCF51EM256FS.pdf 198165 /docs/en/fact-sheet/MCF51EM256FS.pdf MCF51EM256FS N 2009-10-05 MCF51EM Smart metering made easy with V1 ColdFire<sup>&#174;</sup> &#174; MCU - Fact Sheet /docs/en/fact-sheet/MCF51EM256FS.pdf /docs/en/fact-sheet/MCF51EM256FS.pdf Fact Sheet N Y 736675474163315314 2022-12-07 pdf en Oct 15, 2009 Fact Sheet t523 Fact Sheet Fact Sheet Y N MCF51EM Smart metering made easy with V1 ColdFire<sup>&#174;</sup> &#174; MCU - Fact Sheet 2 8.1 English The MCF51EM256 series microcontrollers are systems-on-chips (SoCs) that are based on the V1 ColdFire core and the following features: Operate at processor core speeds up to 50.33 MHz, Up to 256 KB of flash memory, Up to 16 KB of RAM, Integrated 16-bit SAR analog-to-digital converter, 100-Pin LQFP, 80-Pin LQFP. 1256140490974702136591 PSP 4.3 MB None None documents None 1256140490974702136591 /docs/en/reference-manual/MCF51EM256RM.pdf 4333098 /docs/en/reference-manual/MCF51EM256RM.pdf MCF51EM256RM N N 2009-10-21 MCF51EM256 Series ColdFire<sup>&#174;</sup> &#174; Integrated Microcontroller - Reference Manual /docs/en/reference-manual/MCF51EM256RM.pdf /docs/en/reference-manual/MCF51EM256RM.pdf Reference Manual N Y 500633505221135046 2022-12-07 pdf N en May 21, 2012 Reference Manual t877 Reference Manual Reference Manual Y N MCF51EM256 Series ColdFire<sup>&#174;</sup> &#174; Integrated Microcontroller - Reference Manual 3 3 English The MCF51EM256/128 series microcontrollers are a member of the ColdFire ? family of reduced instruction set computing (RISC) microprocessors. This document provides an overview of these 32-bit microcontrollers. These microcontrollers are systems-on-chips (SoCs) that are based on the V1 ColdFire core and the following features: Operating at processor core speeds up to 50.33 MHz, Up to 256 KB of flash memory. Covers: MCF51EM256, MCF51EM128. 1272987579751707784094 PSP 1.0 MB None None documents None 1272987579751707784094 /docs/en/data-sheet/MCF51EM256.pdf 1005573 /docs/en/data-sheet/MCF51EM256.pdf MCF51EM256 N 2010-05-04 MCF51EM256 Series ColdFire<sup>&#174;</sup> Microcontroller - Data Sheet /docs/en/data-sheet/MCF51EM256.pdf /docs/en/data-sheet/MCF51EM256.pdf Data Sheet N Y 980000996212993340 2022-12-07 pdf en Aug 30, 2010 Data Sheet t520 Data Sheet Data Sheet Y N MCF51EM256 Series ColdFire<sup>&#174;</sup> Microcontroller - Data Sheet false en_US en Reference Manual Reference Manual 3 4 1 English MCF51EM256 Reference Manual Addendum 1326956814164740106203 PSP 37.6 KB None None documents None 1326956814164740106203 /docs/en/reference-manual/MCF51EM256RMAD.pdf 37569 /docs/en/reference-manual/MCF51EM256RMAD.pdf MCF51EM256RMAD documents N N 2012-01-19 MCF51EM256 Reference Manual Addendum /docs/en/reference-manual/MCF51EM256RMAD.pdf /docs/en/reference-manual/MCF51EM256RMAD.pdf Reference Manual N 500633505221135046 2023-06-18 pdf N en Jan 18, 2012 500633505221135046 Reference Manual N N MCF51EM256 Reference Manual Addendum 5 0 English DRM121: This design reference manual describes the solution for a single phase electricity meter based on the MCF51EM256 microcontroller (MCU). The design demonstrates the capabilities of this MCU for electricity metering applications. The reference design provides a high performance solution for power measurement in single phase two-wire installations. 1308263474137706434478 PSP 11.0 MB None None documents None 1308263474137706434478 /docs/en/reference-manual/DRM121.pdf 10958041 /docs/en/reference-manual/DRM121.pdf DRM121 documents N N 2016-10-31 DRM121, MQX-Enabled MCF51EM256 Single-Phase Electricity Meter - Reference Manual /docs/en/reference-manual/DRM121.pdf /docs/en/reference-manual/DRM121.pdf Reference Manual N 500633505221135046 2023-06-19 pdf N en Jun 16, 2011 500633505221135046 Reference Manual Y N DRM121, MQX-Enabled MCF51EM256 Single-Phase Electricity Meter - Reference Manual 6 3 English This manual contains detailed information about the instruction set architecture (ISA) for all versions of ColdFire &#174; microprocessors. Within the ColdFire Family, each generation of hardware microarchitecture is known as a Version, beginning with the original Version 2 (V2) core implementation, the first native ColdFire processor implementation. The original ColdFire ISA was developed from a reduced version of the M68000 instruction set that was targeted to hit a &#8220;sweet-spot&#8221;. C996188491014 PSP 1.7 MB None None documents None C996188491014 /docs/en/reference-manual/CFPRM.pdf 1706629 /docs/en/reference-manual/CFPRM.pdf CFPRM documents N 2001-07-26 ColdFire<sup>&#174;</sup> &#174; Family Programmer&#8217;s - Reference Manual /docs/en/reference-manual/CFPRM.pdf /docs/en/reference-manual/CFPRM.pdf Reference Manual N 500633505221135046 2022-12-07 pdf en Mar 8, 2005 500633505221135046 Reference Manual Y N ColdFire<sup>&#174;</sup> &#174; Family Programmer&#8217;s - Reference Manual Application Note Application Note 11 7 4 Chinese 1321891486848724496514zh PSP 642.7 KB None None documents None 1321891486848724496514 /docs/zh/application-note/AN4255.pdf 642673 /docs/zh/application-note/AN4255.pdf AN4255 documents N N 2016-10-31 FFT-Based Algorithm for Metering Applications - Application Note /docs/zh/application-note/AN4255.pdf /docs/zh/application-note/AN4255.pdf Application Note N 645036621402383989 2022-12-07 zh 645036621402383989 Application Note N 面向计量应用的基于FFT的算法 - 应用笔记 4 English This application note describes how to use Fast Fourier Transform (FFT) in metering applications, especially for power and energy computing in power meters 1321891486848724496514 PSP 642.7 KB None None documents None 1321891486848724496514 /docs/en/application-note/AN4255.pdf 642673 /docs/en/application-note/AN4255.pdf AN4255 documents N N 2016-10-31 FFT-Based Algorithm for Metering Applications - Application Note /docs/en/application-note/AN4255.pdf /docs/en/application-note/AN4255.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Jul 26, 2015 645036621402383989 Application Note Y N FFT-Based Algorithm for Metering Applications - Application Note 8 0 English Explaining how to add the FreeMASTER serial driver software to the embedded application and configure it. The FreeMASTER serial driver is a piece of code that enables an embedded application to communicate with the FreeMASTER PC application. 1370013855832696188368 PSP 2.2 MB Registration without Disclaimer None documents Extended 1370013855832696188368 /secured/assets/documents/en/application-note/AN4752.pdf 2220944 /secured/assets/documents/en/application-note/AN4752.pdf AN4752 documents Y N 2016-10-31 AN4752: FreeMASTER Usage, Serial Driver Implementation – Application Note /webapp/Download?colCode=AN4752 /secured/assets/documents/en/application-note/AN4752.pdf Application Note N 645036621402383989 2024-07-15 pdf Y en May 31, 2013 645036621402383989 Application Note Y N AN4752: FreeMASTER Usage, Serial Driver Implementation – Application Note 9 0 English Presenting the use of the Rational ClearCase version control system in CodeWarrior 10.3. It lists the files needed to maintain the project and describes how to install, set up, use, and uninstall the ClearCase plugin in CodeWarrior 10.3. The ClearCase plugin enables you to check files in and out directly from within CodeWarrior, making the work more effective. 1369937932059742568603 PSP 477.3 KB None None documents None 1369937932059742568603 /docs/en/application-note/AN4753.pdf 477314 /docs/en/application-note/AN4753.pdf AN4753 documents N N 2016-10-31 AN4753: Rational ClearCase Use in CodeWarrior 10.3 – Application Note /docs/en/application-note/AN4753.pdf /docs/en/application-note/AN4753.pdf Application Note N 645036621402383989 2024-07-15 pdf N en May 30, 2013 645036621402383989 Application Note Y N AN4753: Rational ClearCase Use in CodeWarrior 10.3 – Application Note 10 0 Chinese 1326899406187705806071zh PSP 1.7 MB None None documents None 1326899406187705806071 /docs/zh/application-note/AN4452.pdf 1718385 /docs/zh/application-note/AN4452.pdf AN4452 documents N N 2016-10-31 Display eGUI using TWR-LCD board /docs/zh/application-note/AN4452.pdf /docs/zh/application-note/AN4452.pdf Application Note N 645036621402383989 2022-12-07 zh 645036621402383989 Application Note N 采用TWR-LCD电路板显示eGUI 0 English This Application Note describes how to use Tower<sup>&#174;</sup> TWR-LCD board to display eGUI or other graphic user interfaces such as microWindows with Kinetis MCUs 1326899406187705806071 PSP 1.7 MB None None documents None 1326899406187705806071 /docs/en/application-note/AN4452.pdf 1718385 /docs/en/application-note/AN4452.pdf AN4452 documents N N 2016-10-31 Display eGUI using TWR-LCD board /docs/en/application-note/AN4452.pdf /docs/en/application-note/AN4452.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Jan 17, 2012 645036621402383989 Application Note Y N Display eGUI using TWR-LCD board 11 4 English AN3796: This document describes a driver for twisted nematic displays (TN) or super twisted nematic displays (TNS). This LCD driver allows the user to customize glass requirements with the microcontroller LCD module. This driver was tested for the following microcontroller demo boards: the TWR-K40X256, TWR-K53N512, MCF51EM256 (DEMOEM), MC9S08LG32 (DEMO9S08LG32), among others. 1225462859731690079254 PSP 374.4 KB None None documents None 1225462859731690079254 /docs/en/application-note/AN3796.pdf 374423 /docs/en/application-note/AN3796.pdf AN3796 documents N N 2016-10-31 AN3796, LCD Driver Specification - Application Notes /docs/en/application-note/AN3796.pdf /docs/en/application-note/AN3796.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Oct 21, 2011 645036621402383989 Application Note Y N AN3796, LCD Driver Specification - Application Notes 12 1 English AN4164_DEMO_EMETER_SW.zip /docs/en/application-note-software/AN4164_DEMO_EMETER_SW.zip /docs/en/application-note-software/AN4164_DEMO_EMETER_SW.zip AN4164: The first half of this application note describes the use of the capacitive supply for a single-phase energy metering application. A detailed analysis of the power requirements of the MC9S08GW64 is included. The MC9S08GW64 is a low-power MCU suitable for a single-phase energy metering application. It is capable of running on a capacitive power supply. A shunt can be used for the current-sensing element. 1279043888436726185773 PSP 174.8 KB None None documents None 1279043888436726185773 /docs/en/application-note/AN4164.pdf 174819 /docs/en/application-note/AN4164.pdf AN4164 documents N 2010-07-13 AN4164, A Single-Phase Energy Meter with Capacitive Power Supply and Shunts - Application Notes /docs/en/application-note/AN4164.pdf /docs/en/application-note/AN4164.pdf Application Note N 645036621402383989 2022-12-07 pdf en Sep 1, 2010 645036621402383989 Application Note Y N AN4164, A Single-Phase Energy Meter with Capacitive Power Supply and Shunts - Application Notes 13 0 English AN4023SW.zip /docs/en/application-note-software/AN4023SW.zip /docs/en/application-note-software/AN4023SW.zip This document describes a driver for an independent real time clock (IRTC). This allows users the customization of all the possible configurations for this peripheral, like full clock functionalities, calendaring, and auto adjustment for daylight savings, a programmable alarm, and a minute countdown timer. 1279821515499716210171 PSP 145.2 KB None None documents None 1279821515499716210171 /docs/en/application-note/AN4023.pdf 145160 /docs/en/application-note/AN4023.pdf AN4023 documents N N 2016-10-31 Enabling the IRTC Module /docs/en/application-note/AN4023.pdf /docs/en/application-note/AN4023.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Jul 22, 2010 645036621402383989 Application Note Y N Enabling the IRTC Module 14 1 English AN3949SW.zip /docs/en/application-note-software/AN3949SW.zip /docs/en/application-note-software/AN3949SW.zip AN3949: The MCF51EM256 ColdFire MCU has an integrated 16-bit ADC and a programmable delay block (PDB). The integration of these modules is not standardized across different devices. This document describes the procedure required to perform the analog-to-digital converter (ADC) auto-calibration function and provides software that may be used as a template for application code development. 1254756316464686070155 PSP 251.6 KB None None documents None 1254756316464686070155 /docs/en/application-note/AN3949.pdf 251644 /docs/en/application-note/AN3949.pdf AN3949 documents N 2009-10-05 AN3949, ADC16 Calibration Procedure and Programmable Delay Block Synchronization For the MCF51EM256 - Application Notes /docs/en/application-note/AN3949.pdf /docs/en/application-note/AN3949.pdf Application Note N 645036621402383989 2022-12-07 pdf en Apr 22, 2010 645036621402383989 Application Note Y N AN3949, ADC16 Calibration Procedure and Programmable Delay Block Synchronization For the MCF51EM256 - Application Notes 15 1 English AN3827: The 16-bit SAR ADC module is the latest embedded ADC to be integrated into the Controller Continuum families. The differences between this 16-bit SAR ADC and the previous 12-bit SAR ADC are more than just an extension to the result register. The 12-bit ADC (as seen on devices such as the MCF51QE128) and the 16-bit ADC (as seen on the MCF51EM256, MCF51MM256, and MC9S08MM128) are both successive approximation analog-to-digital converters. 1254422396005715087647 PSP 152.1 KB None None documents None 1254422396005715087647 /docs/en/application-note/AN3827.pdf 152119 /docs/en/application-note/AN3827.pdf AN3827 documents N 2009-10-01 AN3827, Differences Between Controller Continuum ADC Modules - Application Notes /docs/en/application-note/AN3827.pdf /docs/en/application-note/AN3827.pdf Application Note N 645036621402383989 2022-12-07 pdf en Apr 1, 2010 645036621402383989 Application Note Y N AN3827, Differences Between Controller Continuum ADC Modules - Application Notes 16 0 English AN3938SW.zip /docs/en/application-note-software/AN3938SW.zip /docs/en/application-note-software/AN3938SW.zip This application note shows the implementation of an infrared communication system composed of hardware and software. The hardware takes advantage of specific features of NXP&#8217;s MCF51EM256, while the software protocol is based on the command structure of protocol C12.18 for metering applications. 1254242914475729315696 PSP 2.4 MB None None documents None 1254242914475729315696 /docs/en/application-note/AN3938.pdf 2393442 /docs/en/application-note/AN3938.pdf AN3938 documents N 2009-09-29 Using the MCF51EM Family for Infrared Communication /docs/en/application-note/AN3938.pdf /docs/en/application-note/AN3938.pdf Application Note N 645036621402383989 2022-12-07 pdf en Sep 29, 2009 645036621402383989 Application Note Y N Using the MCF51EM Family for Infrared Communication 17 0 English AN3896SW.zip /docs/en/application-note-software/AN3896SW.zip /docs/en/application-note-software/AN3896SW.zip This application note&#8217;s objective is to demonstrate the implementation of the following algorithms used in metering applications using NXP MCF51EM256.&#13;&#10;Square root&#13;&#10;Voltage and current RMS values&#13;&#10;Active energy, active power, apparent power, reactive power, and power factor&#13;&#10;Discrete fourier transform (DFT)&#13;&#10;Total harmonic distortion (THD)&#13;&#10;The methodology used is to present the formula for the calculation, discuss its implementation, and present e 1252336004553732045574 PSP 454.1 KB None None documents None 1252336004553732045574 /docs/en/application-note/AN3896.pdf 454135 /docs/en/application-note/AN3896.pdf AN3896 documents N N 2016-10-31 MCF51EM256 Performance Assessment with Algorithms Used in Metering Applications /docs/en/application-note/AN3896.pdf /docs/en/application-note/AN3896.pdf Application Note N 645036621402383989 2022-12-07 pdf N en Sep 28, 2009 645036621402383989 Application Note Y N MCF51EM256 Performance Assessment with Algorithms Used in Metering Applications User Guide User Guide 1 18 0 English 1239719097706725007507 PSP 281.2 KB None None documents None 1239719097706725007507 /docs/en/user-guide/MCF51_ACLIB.pdf 281239 /docs/en/user-guide/MCF51_ACLIB.pdf MCF51_ACLIB documents N 2009-04-14 MCF51 Advanced Control Library User&#8217;s Reference Manual /docs/en/user-guide/MCF51_ACLIB.pdf /docs/en/user-guide/MCF51_ACLIB.pdf User Guide N 132339537837198660 2023-06-18 pdf en Apr 14, 2009 132339537837198660 User Guide Y N MCF51 Advanced Control Library User&#8217;s Reference Manual Application Note Software Application Note Software 1 19 4 English Associated software for AN3796 1225811070367713637471 PSP 33.9 MB None None documents None 1225811070367713637471 /docs/en/application-note-software/AN3796SW.zip 33912792 /docs/en/application-note-software/AN3796SW.zip AN3796SW documents N N 2008-11-04 Software to accompany AN3796 /docs/en/application-note-software/AN3796SW.zip /docs/en/application-note-software/AN3796SW.zip Application Note Software N 789425793691620447 2022-12-07 zip N en Oct 21, 2011 789425793691620447 Application Note Software D N Software to accompany AN3796 Errata Errata 2 20 1 English This report applies to mask 1M00S for these products: MCF51EM256 and MCF51EM128. 1273074949487746012752 PSP 179.1 KB None None documents None 1273074949487746012752 /docs/en/errata/MSEF51EM256_1M00S.pdf 179054 /docs/en/errata/MSEF51EM256_1M00S.pdf MSEF51EM256_1M00S documents N N 2015-06-01 MSEF51EM256_1M00S - Mask Set Errata for Mask 1M00S /docs/en/errata/MSEF51EM256_1M00S.pdf /docs/en/errata/MSEF51EM256_1M00S.pdf Errata N 155452329886410597 2022-12-07 pdf N en May 27, 2015 155452329886410597 Errata N N MSEF51EM256_1M00S - Mask Set Errata for Mask 1M00S 21 0 English This report applies to mask 2M00S for these products:&#13;&#10; MCF51EM256&#13;&#10; MCF51EM128 1365624013674721887856 PSP 162.3 KB None None documents None 1365624013674721887856 /docs/en/errata/MSEF51EM256_2M00S.pdf 162252 /docs/en/errata/MSEF51EM256_2M00S.pdf MSEF51EM256_2M00S documents N N 2015-06-01 MSEF51EM256_2M00S- Mask Set Errata for Mask 2M00S /docs/en/errata/MSEF51EM256_2M00S.pdf /docs/en/errata/MSEF51EM256_2M00S.pdf Errata N 155452329886410597 2022-12-07 pdf N en May 27, 2015 155452329886410597 Errata N N MSEF51EM256_2M00S- Mask Set Errata for Mask 2M00S Supporting Information Supporting Information 1 22 0 English 1259693748881702588995 PSP 215.4 KB None None documents None 1259693748881702588995 /docs/en/supporting-information/BRMETERING__INT_ISSUE_4_09.pdf 215383 /docs/en/supporting-information/BRMETERING__INT_ISSUE_4_09.pdf BRMETERING__INT_ISSUE_4_09 documents N 2009-12-01 MCF51EM256 anti-tamper features a leap towards robust smart metering solutions /docs/en/supporting-information/BRMETERING__INT_ISSUE_4_09.pdf /docs/en/supporting-information/BRMETERING__INT_ISSUE_4_09.pdf Supporting Information N 371282830530968666 2023-06-19 pdf en Dec 1, 2009 371282830530968666 Supporting Information Y N MCF51EM256 anti-tamper features a leap towards robust smart metering solutions false 0 MCF51EM downloads en true 1 Y PSP Application Note 11 /docs/en/application-note/AN4255.pdf 2016-10-31 1321891486848724496514 PSP 7 Jul 26, 2015 Application Note This application note describes how to use Fast Fourier Transform (FFT) in metering applications, especially for power and energy computing in power meters None /docs/en/application-note/AN4255.pdf English documents 642673 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN4255.pdf FFT-Based Algorithm for Metering Applications - Application Note /docs/en/application-note/AN4255.pdf documents 645036621402383989 Application Note N en None Y pdf 4 N N FFT-Based Algorithm for Metering Applications - Application Note 642.7 KB AN4255 N 1321891486848724496514 /secured/assets/documents/en/application-note/AN4752.pdf 2016-10-31 1370013855832696188368 PSP 8 May 31, 2013 Application Note Explaining how to add the FreeMASTER serial driver software to the embedded application and configure it. The FreeMASTER serial driver is a piece of code that enables an embedded application to communicate with the FreeMASTER PC application. Registration without Disclaimer /secured/assets/documents/en/application-note/AN4752.pdf English documents 2220944 None 645036621402383989 2024-07-15 Y /webapp/Download?colCode=AN4752 AN4752: FreeMASTER Usage, Serial Driver Implementation – Application Note /secured/assets/documents/en/application-note/AN4752.pdf documents 645036621402383989 Application Note N en Extended Y pdf 0 Y N AN4752: FreeMASTER Usage, Serial Driver Implementation – Application Note 2.2 MB AN4752 N 1370013855832696188368 /docs/en/application-note/AN4753.pdf 2016-10-31 1369937932059742568603 PSP 9 May 30, 2013 Application Note Presenting the use of the Rational ClearCase version control system in CodeWarrior 10.3. It lists the files needed to maintain the project and describes how to install, set up, use, and uninstall the ClearCase plugin in CodeWarrior 10.3. The ClearCase plugin enables you to check files in and out directly from within CodeWarrior, making the work more effective. None /docs/en/application-note/AN4753.pdf English documents 477314 None 645036621402383989 2024-07-15 N /docs/en/application-note/AN4753.pdf AN4753: Rational ClearCase Use in CodeWarrior 10.3 – Application Note /docs/en/application-note/AN4753.pdf documents 645036621402383989 Application Note N en None Y pdf 0 N N AN4753: Rational ClearCase Use in CodeWarrior 10.3 – Application Note 477.3 KB AN4753 N 1369937932059742568603 /docs/en/application-note/AN4452.pdf 2016-10-31 1326899406187705806071 PSP 10 Jan 17, 2012 Application Note This Application Note describes how to use Tower<sup>&#174;</sup> TWR-LCD board to display eGUI or other graphic user interfaces such as microWindows with Kinetis MCUs None /docs/en/application-note/AN4452.pdf English documents 1718385 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN4452.pdf Display eGUI using TWR-LCD board /docs/en/application-note/AN4452.pdf documents 645036621402383989 Application Note N en None Y pdf 0 N N Display eGUI using TWR-LCD board 1.7 MB AN4452 N 1326899406187705806071 /docs/en/application-note/AN3796.pdf 2016-10-31 1225462859731690079254 PSP 11 Oct 21, 2011 Application Note AN3796: This document describes a driver for twisted nematic displays (TN) or super twisted nematic displays (TNS). This LCD driver allows the user to customize glass requirements with the microcontroller LCD module. This driver was tested for the following microcontroller demo boards: the TWR-K40X256, TWR-K53N512, MCF51EM256 (DEMOEM), MC9S08LG32 (DEMO9S08LG32), among others. None /docs/en/application-note/AN3796.pdf English documents 374423 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN3796.pdf AN3796, LCD Driver Specification - Application Notes /docs/en/application-note/AN3796.pdf documents 645036621402383989 Application Note N en None Y pdf 4 N N AN3796, LCD Driver Specification - Application Notes 374.4 KB AN3796 N 1225462859731690079254 /docs/en/application-note/AN4164.pdf 2010-07-13 1279043888436726185773 PSP 12 Sep 1, 2010 Application Note AN4164: The first half of this application note describes the use of the capacitive supply for a single-phase energy metering application. A detailed analysis of the power requirements of the MC9S08GW64 is included. The MC9S08GW64 is a low-power MCU suitable for a single-phase energy metering application. It is capable of running on a capacitive power supply. A shunt can be used for the current-sensing element. None /docs/en/application-note/AN4164.pdf English documents 174819 None 645036621402383989 2022-12-07 /docs/en/application-note/AN4164.pdf AN4164, A Single-Phase Energy Meter with Capacitive Power Supply and Shunts - Application Notes /docs/en/application-note/AN4164.pdf documents 645036621402383989 Application Note N en None Y pdf 1 N AN4164, A Single-Phase Energy Meter with Capacitive Power Supply and Shunts - Application Notes 174.8 KB AN4164 N 1279043888436726185773 /docs/en/application-note/AN4023.pdf 2016-10-31 1279821515499716210171 PSP 13 Jul 22, 2010 Application Note This document describes a driver for an independent real time clock (IRTC). This allows users the customization of all the possible configurations for this peripheral, like full clock functionalities, calendaring, and auto adjustment for daylight savings, a programmable alarm, and a minute countdown timer. None /docs/en/application-note/AN4023.pdf English documents 145160 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN4023.pdf Enabling the IRTC Module /docs/en/application-note/AN4023.pdf documents 645036621402383989 Application Note N en None Y pdf 0 N N Enabling the IRTC Module 145.2 KB AN4023 N 1279821515499716210171 /docs/en/application-note/AN3949.pdf 2009-10-05 1254756316464686070155 PSP 14 Apr 22, 2010 Application Note AN3949: The MCF51EM256 ColdFire MCU has an integrated 16-bit ADC and a programmable delay block (PDB). The integration of these modules is not standardized across different devices. This document describes the procedure required to perform the analog-to-digital converter (ADC) auto-calibration function and provides software that may be used as a template for application code development. None /docs/en/application-note/AN3949.pdf English documents 251644 None 645036621402383989 2022-12-07 /docs/en/application-note/AN3949.pdf AN3949, ADC16 Calibration Procedure and Programmable Delay Block Synchronization For the MCF51EM256 - Application Notes /docs/en/application-note/AN3949.pdf documents 645036621402383989 Application Note N en None Y pdf 1 N AN3949, ADC16 Calibration Procedure and Programmable Delay Block Synchronization For the MCF51EM256 - Application Notes 251.6 KB AN3949 N 1254756316464686070155 /docs/en/application-note/AN3827.pdf 2009-10-01 1254422396005715087647 PSP 15 Apr 1, 2010 Application Note AN3827: The 16-bit SAR ADC module is the latest embedded ADC to be integrated into the Controller Continuum families. The differences between this 16-bit SAR ADC and the previous 12-bit SAR ADC are more than just an extension to the result register. The 12-bit ADC (as seen on devices such as the MCF51QE128) and the 16-bit ADC (as seen on the MCF51EM256, MCF51MM256, and MC9S08MM128) are both successive approximation analog-to-digital converters. None /docs/en/application-note/AN3827.pdf English documents 152119 None 645036621402383989 2022-12-07 /docs/en/application-note/AN3827.pdf AN3827, Differences Between Controller Continuum ADC Modules - Application Notes /docs/en/application-note/AN3827.pdf documents 645036621402383989 Application Note N en None Y pdf 1 N AN3827, Differences Between Controller Continuum ADC Modules - Application Notes 152.1 KB AN3827 N 1254422396005715087647 /docs/en/application-note/AN3938.pdf 2009-09-29 1254242914475729315696 PSP 16 Sep 29, 2009 Application Note This application note shows the implementation of an infrared communication system composed of hardware and software. The hardware takes advantage of specific features of NXP&#8217;s MCF51EM256, while the software protocol is based on the command structure of protocol C12.18 for metering applications. None /docs/en/application-note/AN3938.pdf English documents 2393442 None 645036621402383989 2022-12-07 /docs/en/application-note/AN3938.pdf Using the MCF51EM Family for Infrared Communication /docs/en/application-note/AN3938.pdf documents 645036621402383989 Application Note N en None Y pdf 0 N Using the MCF51EM Family for Infrared Communication 2.4 MB AN3938 N 1254242914475729315696 /docs/en/application-note/AN3896.pdf 2016-10-31 1252336004553732045574 PSP 17 Sep 28, 2009 Application Note This application note&#8217;s objective is to demonstrate the implementation of the following algorithms used in metering applications using NXP MCF51EM256.&#13;&#10;Square root&#13;&#10;Voltage and current RMS values&#13;&#10;Active energy, active power, apparent power, reactive power, and power factor&#13;&#10;Discrete fourier transform (DFT)&#13;&#10;Total harmonic distortion (THD)&#13;&#10;The methodology used is to present the formula for the calculation, discuss its implementation, and present e None /docs/en/application-note/AN3896.pdf English documents 454135 None 645036621402383989 2022-12-07 N /docs/en/application-note/AN3896.pdf MCF51EM256 Performance Assessment with Algorithms Used in Metering Applications /docs/en/application-note/AN3896.pdf documents 645036621402383989 Application Note N en None Y pdf 0 N N MCF51EM256 Performance Assessment with Algorithms Used in Metering Applications 454.1 KB AN3896 N 1252336004553732045574 Application Note Software 1 /docs/en/application-note-software/AN3796SW.zip 2008-11-04 1225811070367713637471 PSP 19 Oct 21, 2011 Application Note Software Associated software for AN3796 None /docs/en/application-note-software/AN3796SW.zip English documents 33912792 None 789425793691620447 2022-12-07 N /docs/en/application-note-software/AN3796SW.zip Software to accompany AN3796 /docs/en/application-note-software/AN3796SW.zip documents 789425793691620447 Application Note Software N en None D zip 4 N N Software to accompany AN3796 33.9 MB AN3796SW N 1225811070367713637471 Data Sheet 1 /docs/en/data-sheet/MCF51EM256.pdf 2010-05-04 1272987579751707784094 PSP 3 Aug 30, 2010 Data Sheet Data Sheet The MCF51EM256/128 series microcontrollers are a member of the ColdFire ? family of reduced instruction set computing (RISC) microprocessors. This document provides an overview of these 32-bit microcontrollers. These microcontrollers are systems-on-chips (SoCs) that are based on the V1 ColdFire core and the following features: Operating at processor core speeds up to 50.33 MHz, Up to 256 KB of flash memory. Covers: MCF51EM256, MCF51EM128. None /docs/en/data-sheet/MCF51EM256.pdf English 1005573 None Data Sheet 2022-12-07 /docs/en/data-sheet/MCF51EM256.pdf MCF51EM256 Series ColdFire<sup>&#174;</sup> Microcontroller - Data Sheet /docs/en/data-sheet/MCF51EM256.pdf documents 980000996212993340 Data Sheet N Y en None Y t520 pdf 3 N MCF51EM256 Series ColdFire<sup>&#174;</sup> Microcontroller - Data Sheet 1.0 MB MCF51EM256 N 1272987579751707784094 Errata 2 /docs/en/errata/MSEF51EM256_1M00S.pdf 2015-06-01 1273074949487746012752 PSP 20 May 27, 2015 Errata This report applies to mask 1M00S for these products: MCF51EM256 and MCF51EM128. None /docs/en/errata/MSEF51EM256_1M00S.pdf English documents 179054 None 155452329886410597 2022-12-07 N /docs/en/errata/MSEF51EM256_1M00S.pdf MSEF51EM256_1M00S - Mask Set Errata for Mask 1M00S /docs/en/errata/MSEF51EM256_1M00S.pdf documents 155452329886410597 Errata N en None N pdf 1 N N MSEF51EM256_1M00S - Mask Set Errata for Mask 1M00S 179.1 KB MSEF51EM256_1M00S N 1273074949487746012752 /docs/en/errata/MSEF51EM256_2M00S.pdf 2015-06-01 1365624013674721887856 PSP 21 May 27, 2015 Errata This report applies to mask 2M00S for these products:&#13;&#10; MCF51EM256&#13;&#10; MCF51EM128 None /docs/en/errata/MSEF51EM256_2M00S.pdf English documents 162252 None 155452329886410597 2022-12-07 N /docs/en/errata/MSEF51EM256_2M00S.pdf MSEF51EM256_2M00S- Mask Set Errata for Mask 2M00S /docs/en/errata/MSEF51EM256_2M00S.pdf documents 155452329886410597 Errata N en None N pdf 0 N N MSEF51EM256_2M00S- Mask Set Errata for Mask 2M00S 162.3 KB MSEF51EM256_2M00S N 1365624013674721887856 Fact Sheet 1 /docs/en/fact-sheet/MCF51EM256FS.pdf 2009-10-05 1254780972849709796111 PSP 1 Oct 15, 2009 Fact Sheet Fact Sheet MCF51EM256FS: Unique features of the MCF51EM family include 4 x 16-bit SAR ADC with PDB for precision sequencing of four simultaneous conversions and four conversions with small delay required for CT compensation, up to 288 segment LCD driver and two blocks of 128 KB flash (256 KB total), independent RTC with tamper detection providing more than 15 years from CR2032 coin cell and more than 30 years when powered by MCU, 32-bit MAC and AMR SPI for 5V AMR interface. None /docs/en/fact-sheet/MCF51EM256FS.pdf English 198165 None Fact Sheet 2022-12-07 /docs/en/fact-sheet/MCF51EM256FS.pdf MCF51EM Smart metering made easy with V1 ColdFire<sup>&#174;</sup> &#174; MCU - Fact Sheet /docs/en/fact-sheet/MCF51EM256FS.pdf documents 736675474163315314 Fact Sheet N Y en None Y t523 pdf 0 N MCF51EM Smart metering made easy with V1 ColdFire<sup>&#174;</sup> &#174; MCU - Fact Sheet 198.2 KB MCF51EM256FS N 1254780972849709796111 Reference Manual 4 /docs/en/reference-manual/MCF51EM256RMAD.pdf 2012-01-19 1326956814164740106203 PSP 4 Jan 18, 2012 Reference Manual MCF51EM256 Reference Manual Addendum None /docs/en/reference-manual/MCF51EM256RMAD.pdf English documents 37569 None 500633505221135046 2023-06-18 N /docs/en/reference-manual/MCF51EM256RMAD.pdf MCF51EM256 Reference Manual Addendum /docs/en/reference-manual/MCF51EM256RMAD.pdf documents 500633505221135046 Reference Manual N en None N pdf 1 N N MCF51EM256 Reference Manual Addendum 37.6 KB MCF51EM256RMAD N 1326956814164740106203 /docs/en/reference-manual/DRM121.pdf 2016-10-31 1308263474137706434478 PSP 5 Jun 16, 2011 Reference Manual DRM121: This design reference manual describes the solution for a single phase electricity meter based on the MCF51EM256 microcontroller (MCU). The design demonstrates the capabilities of this MCU for electricity metering applications. The reference design provides a high performance solution for power measurement in single phase two-wire installations. None /docs/en/reference-manual/DRM121.pdf English documents 10958041 None 500633505221135046 2023-06-19 N /docs/en/reference-manual/DRM121.pdf DRM121, MQX-Enabled MCF51EM256 Single-Phase Electricity Meter - Reference Manual /docs/en/reference-manual/DRM121.pdf documents 500633505221135046 Reference Manual N en None Y pdf 0 N N DRM121, MQX-Enabled MCF51EM256 Single-Phase Electricity Meter - Reference Manual 11.0 MB DRM121 N 1308263474137706434478 /docs/en/reference-manual/CFPRM.pdf 2001-07-26 C996188491014 PSP 6 Mar 8, 2005 Reference Manual This manual contains detailed information about the instruction set architecture (ISA) for all versions of ColdFire &#174; microprocessors. Within the ColdFire Family, each generation of hardware microarchitecture is known as a Version, beginning with the original Version 2 (V2) core implementation, the first native ColdFire processor implementation. The original ColdFire ISA was developed from a reduced version of the M68000 instruction set that was targeted to hit a &#8220;sweet-spot&#8221;. None /docs/en/reference-manual/CFPRM.pdf English documents 1706629 None 500633505221135046 2022-12-07 /docs/en/reference-manual/CFPRM.pdf ColdFire<sup>&#174;</sup> &#174; Family Programmer&#8217;s - Reference Manual /docs/en/reference-manual/CFPRM.pdf documents 500633505221135046 Reference Manual N en None Y pdf 3 N ColdFire<sup>&#174;</sup> &#174; Family Programmer&#8217;s - Reference Manual 1.7 MB CFPRM N C996188491014 /docs/en/reference-manual/MCF51EM256RM.pdf 2009-10-21 1256140490974702136591 PSP 2 May 21, 2012 Reference Manual Reference Manual The MCF51EM256 series microcontrollers are systems-on-chips (SoCs) that are based on the V1 ColdFire core and the following features: Operate at processor core speeds up to 50.33 MHz, Up to 256 KB of flash memory, Up to 16 KB of RAM, Integrated 16-bit SAR analog-to-digital converter, 100-Pin LQFP, 80-Pin LQFP. None /docs/en/reference-manual/MCF51EM256RM.pdf English 4333098 None Reference Manual 2022-12-07 N /docs/en/reference-manual/MCF51EM256RM.pdf MCF51EM256 Series ColdFire<sup>&#174;</sup> &#174; Integrated Microcontroller - Reference Manual /docs/en/reference-manual/MCF51EM256RM.pdf documents 500633505221135046 Reference Manual N Y en None Y t877 pdf 8.1 N N MCF51EM256 Series ColdFire<sup>&#174;</sup> &#174; Integrated Microcontroller - Reference Manual 4.3 MB MCF51EM256RM N 1256140490974702136591 Supporting Information 1 /docs/en/supporting-information/BRMETERING__INT_ISSUE_4_09.pdf 2009-12-01 1259693748881702588995 PSP 22 Dec 1, 2009 Supporting Information None /docs/en/supporting-information/BRMETERING__INT_ISSUE_4_09.pdf English documents 215383 None 371282830530968666 2023-06-19 /docs/en/supporting-information/BRMETERING__INT_ISSUE_4_09.pdf MCF51EM256 anti-tamper features a leap towards robust smart metering solutions /docs/en/supporting-information/BRMETERING__INT_ISSUE_4_09.pdf documents 371282830530968666 Supporting Information N en None Y pdf 0 N MCF51EM256 anti-tamper features a leap towards robust smart metering solutions 215.4 KB BRMETERING__INT_ISSUE_4_09 N 1259693748881702588995 User Guide 1 /docs/en/user-guide/MCF51_ACLIB.pdf 2009-04-14 1239719097706725007507 PSP 18 Apr 14, 2009 User Guide None /docs/en/user-guide/MCF51_ACLIB.pdf English documents 281239 None 132339537837198660 2023-06-18 /docs/en/user-guide/MCF51_ACLIB.pdf MCF51 Advanced Control Library User&#8217;s Reference Manual /docs/en/user-guide/MCF51_ACLIB.pdf documents 132339537837198660 User Guide N en None Y pdf 0 N MCF51 Advanced Control Library User&#8217;s Reference Manual 281.2 KB MCF51_ACLIB N 1239719097706725007507 true Y Products

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