External Use TM 基于 Kinetis M 的计量表解决方案 Subtitle of Presentation Jun 24 2014...

External Use

TM

基于 Kinetis M 的计量表解决方案Subtitle of Presentation

J u n 2 4 2 0 1 4

Presenter Name | Presenter Title

TM

External Use 2

Content

• One Pager− Use cases: One phase and Two Phase

• Photon Position in Market• Key Differentiators• Detailed presentation by block

− General features− ARM Cortex M0+ Core− Low Power Modes and Power consumption− MIPS requirement per algorithms− 24bit SD AFE− Low power RTC: Including Passive & Active Tamper Detection− LCD− Enablement (TWR & Reference Design)

• Success Story

TM

External Use 3

GPIO• Up to 64 with open drain / push pull, pull up/down• Up to 8 GPIO with filter• Support for interruption on any edge

Power• Power Management• PMC (Power Manager Control Unit) • 2.7V to 3.6V Operating voltage with AFE • 1.71V to 3.6V Operating voltage without AFE • 1.71V-3.6V IRTC VBAT supply• 32kHz or 2MHz internal clock source• 32.768kHz crystal oscillator

Package• 100 LQFP, 64 LQFP and 44 LGA options• -40°C ~ +85°C Temp

Timer/PWM/Clock• Quad Timer (total 4 universal timers)• 2x PIT• 1x Watchdog Timer (windowed, independently

clocked)• 1x EWM (External Watchdog Monitor)• 1x LPTimer

LCD Display• Up to 288 segment LCD, up to 8 backplanes

Wakeup Unit• Group selected GPIOs (16), LPTIM, RTC

(+tamper pins) , HSCMP, SCI , Brownout and POR sources to wake up from Power Gated STOP mode

Core• CM0+ core Up to 50MHz• Separate FLL post-scalers for IPBus and Core

clocks. • Up to 128 KB Program Flash• Up to 16 KB SRAM• Dedicated PLL for ΣΔ modulator clock• 4ch DMA• Single 32kHz Crystal operation

• MHz Crystal OptionalSecurity & Encryption

• MPU & AIPS• IRTC w/t tamper detection 3 Tamper pins (operating from battery)• Programmable 16/32-bit CRC• Random Number Generator (NIST: SP800-90)• AES Encryption (via software library)

Analog• 4x24 bit ΣΔ (2xPGA) highly accurate supporting

EN 50470-1, EN 50470-3, IEC 62053-21, IEC 62053-22 and IEC 62053-23, optimized for shunt sensor (≥50uOhm).• 0.1% error in active and reactive energy over

a dynamic range of 2000 to 1• Internal 1.2V reference voltage 10-15ppm/C• 12-ch 16-bit SAR for auxiliary measurement• 2x analog comparator

Serial Communications• 2x SPI• 4x UART

• 1 combined with Quad Timer, HSCMP for IR• 2 support ISO7816• All support flow control

• 2× I2C• All UARTs and SPIs are 3V compatible while 1

UARTs and 1 SPI are both 3V and 5V compatible (open drain / push pull configuration)

Peripheral XBAR• Remapping peripheral IOs• UART selection for IR

KM1x/KM3x One Pager

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External Use 4

Photon Position in Market

Part Number

封装 LCD 液晶驱动

特点目标应用

24 bit ƩΔ ADCs 独立通

道数辅助 ADC

(Flash / SRAM)

MKM14Z64CHH5 4

44LGA

- 64 / 16 KB集成硬件 5ppm RTC ，具备谐波分析功能，同一芯片覆盖单

相、双相和三相

单相、双相、三相计量芯片谐波分析芯片

计量插座电能监控模块

16 bit(5x5mm2

)

MKM14Z128CHH5 4 16 bit

44LGA

- 128 / 16 KB集成硬件 5ppm RTC ，具备谐波分析功能，同一芯片覆盖单

相、双相和三相

单相、双相、三相计量芯片谐波分析芯片

计量插座电能监控模块

(5x5mm2

)

MKM33Z64CLH5 3 16 bit 64LQFP 8 x 17 64 / 16 KB集成硬件 5ppm RTC ， LCD

驱动，具备谐波分析功能，同一芯片覆盖单相、双相和三相

低成本单相、双相、三相 SoC

电能表

MKM33Z128CLH5 3 16 bit 64LQFP 8 x 17 128 / 16 KB集成硬件 5ppm RTC ， LCD



电能表

MKM33Z64CLL5 3 16 bit100LQF

P8 x 38 64 / 16 KB

集成硬件 5ppm RTC ， LCD



电能表


P 8 x 38 128 / 16 KB




电能表


P8 x 38 128 / 16 KB




电能表

TM

External Use 5

Use Case: One Phase Meter I & V measurement

Vcc

Powersupply

N_INP

L_OUT

L_INP

SR

110/240V

Voltage divider

V Sense

I Sense

Resources 2 SD ADC, 1 PGA & 20 DMIPS

IDD current = 6.1 mA

IDDA current = 7.5 mA

TM

External Use 6

Powersupply

N_INP

L_OUT

L_INPSR

110/240V

Voltage divider

N SenseN_OUTCT/RC

V Sense

I Sense

Use Case: One Phase Meter 2xI & 1xV measurement – Use for Neutral disconnect application


Conditions No Neutral disconnect Neutral disconnect mode

IDD current = 6.1 mA 0.6 mA (Phase current being measured in VLPR mode, CPU@2 MHz)

IDDA current = 11.7 mA 0.9 mA (PGAs disabled, 1 SD ADC working in low power mode)

TM

External Use 7

L1

I1 Sense

L2 N

Voltagedividers

CT/RC

Powersupply

V1 Sense

V2 Sense

Use Case: Two Phase Meter 2 I & 2V Measurement

I2 Sense




TM

External Use 8

L1

I1 Sense

L2 N

Voltagedivider

CT/RC

Powersupply

I2 Sense

V1 Sense

Use Case: Split Phase MeterOne Phase-to-Phase Voltage Measurement (2xI & 1xV)




TM

External Use 9

Key Differentiators

• 50MHz Core Cortex M0+ based with 1 cycle 32x32 multiplication

• Up to 128kB Flash, 16kB RAM

• Low power Run and power saving modes. (from 97µA/MHz Run)

• Single low cost 32 kHz crystal need for MCU and RTC− No external crystal needed ( if no or Low RTC accuracy needed)

• Highest accuracy and resolution AFE with 4x24bit SD with 94 dB SNR− Reduced Shunt value possible (Lower power dissipation)

− Low Vref and PGA drift over temperature of 25 ppm/C°

• Auto compensated RTC with high speed calibration (Use 1Hz output pulse)− 5 ppm accuracy with 0.88 ppm calibration resolution

− auto compensation capable of 0.19 ppm error correction..

• Security with active & passive tamper− Random Number Generator to support crypto (AES, ECC, RSA)

− HW support (MPU&AIPS) for legally relevant code separation (WELMEC/OIML support)

• 4 kV ESD, 6 kV PESD

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External Use 10

Low Power Modes implementedPower Modes

Run (AMO)

VLPR (AMO)

Wait (AMO)

VLPW (AMO)

Stop

VLPS

VLLS3

VLLS2

VLLS1

RecoveryTime

TargetTypical Idd Range

-

-

-

From 97uA/MHz*

4us

4us

4us

50us

50us

100us

2 uA

1.2 uA

500 nA

From 441uA@2MHz

From 95uA@2MHz

From 274 uA

From 11 uA

VLLS0 250 nA100us

From 49uA/MHz**

Freescale Adds Low Leakage Wake-up Unit

• Enables complete shut-down of core logic, including WIC, further reducing leakage currents in all low power modes

• Supports 16 external input pins and 5 internal modules as wakeup sources, extend the low power wakeup capability of internal modules to even lower power modes.

• Wakeup inputs are activated in VLLSx modes

Run

Wait

Stop

Typical Power Modes in an embedded system

Leading Dynamic Power

• ARM Cortex M0+ core

• Innovative low power process technology (C90TFS)

• Low power focused platform Design

VBAT• RTC operational on battery

• VDD/VDDA are not powered

Standby < 1 uAReset

TM

External Use 11

1. Normal mode VDD/VDDA powered by AC main and MCU is in full functioning

2. Wait mode* ( VDD/VDDA powered by AC main, core in sleep, all peripherals functioning with unchanged clock frequency.

3. Stop or VLPS VDD/VDDA powered by battery while AC main is off.

1. Power on Reset and Brownout active.

2. User optional active peripherals are: GPIOs, LPTIM, RTC (+tamper pins), HSCMP, SCI and LVD sources routed to AWIC (wakeup) unit.

3. MCU exits VLPS mode upon tamper event (HW TAMPER, GPIOs), button pressed (HW TAMPER, GPIOs), periodical event (RTC/LPTMR), byte received (SCI) or AC main restored (HSCMP, GPIO).

4. VLPS mode termination by return to application code directly. Wakeup sources are optionally enabled/disabled by the user.

4. RTC backup VBAT powered only . Autonomous operation RTC and HW TAMPER pins

Run mode

Wait mode

VLPS mode

RTC backup

Low Power Modes Used in Metering.

Photon

VDD

VDDA

VBAT

3V

LCFILTER

3.3V

Photon

VDD

VDDA

VBAT 3V

3.8V

LCFILTER

Wakeup Unit

VTH GPIO

Photon

VDD

VDDA

VBAT 3V

3.8V

3V

LCFILTER

Wakeup Unit

VTH GPIOChip entered RTC battery

backup mode.

Single battery supply.

Chip entered VLPS mode. Transition to

RUN upon signal transition on GPIO pin.

Dual battery supply.

Chip entered VLPS mode. Transition to

RUN upon signal transition on GPIO pin.

Photon Standby Operation – Usage in Metering.

RTC Backup Mode - battery supplies built-in RTC circuit.

Wakeup Mode – battery supplies both built-in RTC circuit and MCU logic.

Wakeup Mode – first (smaller) battery supplies built-in RTC circuit while the second (larger)

supplies MCU logic.

TM

External Use 12

MIPS Requirement – FFT Based Metering Algorithms

Where: “Fs” is sampling frequency“N” is number of samples per voltage cycle“k” series of harmonics 1 .. N/2-1

* Compiled using IAR EW-ARM rev.6.2 for Cortex-M0 target and code executed on Freescale MK30 platform.

Meter TypeEstimated

performance[MIPS]

Processor load [%] @

50MHz

128-point FFT (Fs=6400Hz, up to 64th harmonics)

1-phase 15.2* 30.4

2-phase 30.4 60.8


1-phase 7.6 15.2

2-phase 15.2 30.4


1-phase 3.8 7.6

2-phase 7.6 15.2

TM

External Use 13

MIPS Requirement – Filter Based Metering Algorithms

Where: “Fs” is sampling frequency“D3” is decimation ratio calculated as D1-D2+1“N” is order of the Hilbert Transformation Filter.

Meter TypeEstimated

performance[MIPS]

Processor load [%] @

50MHz

Fs=3000Hz (up to 30th harmonics); Quantities update: Wh – 3000Hz, VARh and

remaining – 1000Hz

1-phase 9.27* 18.54

2-phase 18.54 37.08

* Compiled using IAR EWARM rev.6.2 for Cortex-M0 target and code executed on Freescale MK30 platform.

TM

External Use 14

24-bit SD Performances

• Modulator clock range from 30 kHz up to 6.5 MHz • ΣΔ modulator Signal-to-Noise Ratio:

• Normal Mode: 94dB @ (Fs=6.144MHz, OSR=2048)• Low Power Mode: 82dB @ (Fs=0.768MHz, OSR=256)

• Output data format fixed to 24-bit.• On/off control for built-in ΣΔ modulators, PGA and Phase Compensation Circuitry. • PGA gains 1x-32x (>=50uOhm shunt resistors) • Signal input range 1 Vpp differential (0.5 Vpp single ended) • Input common mode range of 0V to 0.8V• Output sampling rates 3kHz, 6kHz, 12kHz, 24kHz, 48kHz and 96kHz.• Continuous and trigger operation.• Synchronized start of operation. • Support for external third-party/galvanically isolated ΣΔ modulators.• Four modes of operation:

ΣΔ Modulator Operation Mode

PGA Signal input range (mV peak-peak)

SNR (dB @ OSR=2048)

Current (mA)

Normal ON 31 (gainx32) 74 3.7

Low Power ON 31 (gainx32) 62 3.0

Normal OFF 1000 94 1.2

Low Power OFF 1000 82 0.5

TM

External Use 15

RTC - Accurate Low Power Real Time Clock

• Auto compensated RTC with high speed calibration (1 Hz output pulse)− Accurate time keeping with calendaring and day light saving

− 5 ppm accuracy with 0.88 ppm calibration resolution

− auto compensation capable of 0.19 ppm error correction..

• Tamper Detection support− Active Tamper Detection− Passive Tamper Detection− Up to 3 tamper pins

• Tamper Event queuing with time stamp− Tamper queue stores up to 4 tamper events

• Registers protected against spurious updates• 32 bytes of battery backed up RAM• Less than 1 µA consumption from battery

TM

External Use 16

Segment LCD Features

• Up to 44 LCD pins with selectable front plane/back plane configuration− Generate up to 40 front plane signals (up to 4x40)− Generate up to 8 back planes signals (up to 8x36)

• Programmable LCD frame frequency• Programmable blink modes and frequency

− All segments blank during blink period− Alternate display for each LCD segment in x4 or less mode− Blink operation in low-power modes

• Programmable LCD power supply switch, making it an ideal solution for battery-powered and board-level applications− Charge pump requires only four external capacitors− Internal LCD power using VDD− Internal VIREG regulated power supply option for 3 V LCD glass− External VLL3 power supply option (3 V)

• Internal-regulated voltage source with a 4-bit trim register to apply contrast control• Integrated charge pump for generating LCD bias voltages• Waveform storage registers• Backplane reassignment to assist in vertical scrolling on dot-matrix displays• Software-configurable LCD frame frequency interrupt

TM

External Use 17

TWR-KM34Z128 features

Kit Features• 3.3V operation from USB • Flash reprogramming and in-circuit hardware debugging • Onboard OpenSDA debuger• Onboard aux. waveform generator for SD-ADC development Tower

system compatible • Large 160-seg. glass LCD• Headers for direct GPIO and ADC access• External Tamper pins• RTC Battery • IRDA support• PB switches and LEDs• NTC temperature sensor• Anti tamper tilt (3-axis acc.) sensor MMA8491Q• TWRPI sensor interface

Leverages the Tower system• Quickly combine Tower Modules to build a prototype of your application • Software support from Freescale and Third Parties• Growing community of Third Party hardware support• On-line community: www.towergeeks.org

http://www.towergeeks.org/

TM

External Use 18

TWR-KM34Z128 Board

TM

External Use 19

One Phase Power Meter Reference DesignFeatures• 5 to 80A current range (nominal current is 5A; peak current is 80A). 85 to 264V, 50/60 Hz voltage range

• Accuracy class: B or C (active energy EN50470-3) and 3% or 2% (reactive energy EN62053-23)

• Line frequency measurement (for precision zero-cross detection)

• Cost-effective shunt-resistor sensing circuit implementation

• Low-power modes including the use of built-in RTC (Li-battery back-up)

• 4x22 segment LCD, including charge pump (values shown on LCD: V, A, W, Var, VA, kWh, kVarh, cos φ, Hz, time, date)

• An upper and lower tamper meter cover monitoring with time stamp

• IEC1107 infrared hardware interface & Isolated (4kV) RS232 port for monitoring & SW upgrade

• LED pulse outputs (kWh, kVarh)

• EMC proven design (EN61000-4-2, EN610004-4)

• RF connector supporting SubGHz or 2.4 GHz 802.15.4 communications

• Xtrinsic 3-axis low power tilt sensor for electronics tamper detection (optional)

Software provided • Multiple advanced metering algorithms: Filter-based, FFT method

• MQX real-time operating system

• Comprehensive peripheral library drivers

TM

External Use 20

KM34 Power measurement accuracy

TM

External Use 21

Optimized One Phase Power Meter Reference

Features

• Class 1, 5(30) capacitive power supply-based meter

• 90–300 V operating range , 45–65 Hz & Back UP battery

• Shunt for phase current sensing

• Active and reactive energy accuracy per IS13779

• Current transformer for neutral current sensing

• Neutral missing current transformer for neutral missing tamper condition

• 4x22 segment LCD, including charge pump (values shown on LCD: V, A, W, Var, VA, kWh, kVarh, cos φ, Hz, time, date) with Auto scroll menu display

• IS13779:1999 compatible

• Built-in RTC, capable of detecting tamper in power failure event

Software provided

• Multiple advanced metering algorithms: Filter-based, FFT method



TM

External Use 22

Two Phase Power Meter Reference Design

Features• 200A current range (CL200, TA 30A); 85 to 264V, 50/60 Hz voltage range

• Support Two types of installation: Form 2S or Form 12S

• Accuracy class: ANSI C12.20-2002 Class 0.5

• Line frequency measurement (for precision zero-cross detection)

• Current Transformer sensing circuit implementation for each phase

• Low-power modes including the use of built-in RTC (Li-battery back-up)

• 8x20 segment LCD, including charge pump

• LED pulse outputs (kWh, kVARh)

• Infrared optical port according to ANSI C12.18-2006 &Isolated (4kV) RS232 port for monitoring

• EMC proven design (ANSI C62.41, IEC 61000-4-4)

• RF connector supporting SubGHz or 2.4 GHz 802.15.4 communications

• Xtrinsic 3-axis low power tilt sensor for electronics tamper detection (Optional)

• Xtrinsic 3-axis low power magnetometer for electronic tamper detection (Optional)

Software provided

• Multiple advanced metering algorithms based on the Fast Fourier Transform



TM

External Use 23

Photon Support for WELMEC/OIML

Cortex-M0

MQXLite

WELMEC/OIML

Platform Extension

• Photon’s Platform Comprising: • MPU; 8 region descriptors (memory protection)

• AIPS-Lite with ACR* (peripheral protection)

• GPIO with ACR (GPIO protection)

• DMA with ACR (DMA access protection)

• Core User/Supervisor mode of execution.

*ACR stands for Access Control Register .

• MQXLite vs. MQX:• Reduced Footprint, target code size to be within 6K

• Available as Processor Expert (PEX) component

• Processor Expert device drivers instead of IO subsystem

• No need for dynamic memory allocation

• Reduced functionality but with compatible programming model.

• RTCS and File system will not be available.

• USB Device stack supported via PEX

• MQXLite will support legally/non-legally relevant code separation.[1] – OIML, OIML D31, “General Requirements for Software Controlled Measuring Instruments”,

edition 2008. Retrieved from http://workgroups.oiml.org/tcsc/tc-7/tc-7-sc-4/referencedocumentation/D031-e08.pdf[2] – WELMEC, WELMEC 7.2, “Software Guide (Measuring Instruments Directive 2004/22/EC)”.Retrieved from http://www.welmec.org/fileadmin/user_files/publications/7-2_Issue4.pdf

http://workgroups.oiml.org/tcsc/tc-7/tc-7-sc-4/referencedocumentation/D031-e08.pdf

http://www.welmec.org/fileadmin/user_files/publications/7-2_Issue4.pdf

TM

External Use 24

3P China State Grid AFE+MCU Reference Design

概述飞思卡尔三相电表方案按照中国电网标准GB/T 17215.322-2008/ IEC 62053-22:2003 设计。方案采用飞思卡尔最新 ARM Cortex™-M0+ core 44引脚 KM14 作为计量芯片， ARMR Cortex™-M0+ KL36 core 100 引脚 KL36 作为系统芯片 .该方案可以简化并加速设计者的设计流程，降低研发风险及成本，缩短研发时间，确保客户并在此基础上开发出有竞争力的产品。

功能特点

* 电压输入范围 3×220/380V

* 电流输入范围 5(60)A

*0.5S 有用功计量精度*2S 无用功计量精度*2-31 次谐波分量*±15kV ESD

*±6kV EFT

* 电网频率检测*5PPM 精度 RTC

*2 路 RS485 输出*8×32 段码式 LCD 输出*3 路隔离式电脉冲输出*3 路光脉冲输出* 多种防篡改保护* 多种外部存储器

Active/Reactive/MFUNC Electro Pulse

I3

I2

I1

CT

CT

CT

Voltage Divider

V1

V2

V3

Power Supply

L3L2L1 N

MKL36Z256VLL4(100pin LQFP)

UART

I2c

3x GPIO User PSH Button

DebuggerSWD_IO/SWD_CLK

IIC

Isolated RS485IUART

Isolated RS485II

MAG3110Magnetic tamper

Free-master UI

UART

SPI 2x GPIO

MKM14Z64CHH5

Flow ControlData Tramsfer

3x GPIO Active/Reactive/MFUNC Light Pulse

3x GPIO

SPI External Flash

I2CEEPROM

PMC

Isolated Linear

Power Supply

Optical IR I/F

http://www.csres.com/detail/192184.html

TM

External Use 25

Reference Design Document

技术支持1）设计文档* 飞思卡尔三相电表硬件设计手册* 飞思卡尔三相电表软件设计手册* 飞思卡尔三相电表快速上手指导2）设计资料* 硬件原理图，布局图，物料表* 软件源代码，计量库函数说明3）测试报告* ±15kV ESD 测试报告，* ±6kV EFT 测试报告* 0.5S 精度测试报告

KM14/KM34特点

*50MHz ARM Cortex M0+ 核单周期32x32 乘法*128kB Flash, 16kB RAM

* 低功耗设计 (from 97µA/MHz Run)

* 支持多种低功耗模式* 高精度 AFE with 4x24bit SD ADC

* 高精度 RTC ，硬件自动补偿* 多种安全反篡改保护*4 kV ESD, 6 kV PESD

软件库名称所实现功能ZCD: Zero Cross Detect ZCD is used to calculate power line frequency.

ADC sample

AFE (SD ADC ) is used for sample current. SAR ADC is used for sample voltage.Compensation technology ensures that the voltage and current are sampled simultaneously

Algorithm lib ： calculated the active/reactive/total energy, etcRTC compensation lib ： RTC output accuracy reaches 5PPM in full temperature zoneSPI between meter and control MCU ： information such as the button pressed

KM14 informs KL36 power energy information, and KL36 may respond with useful

Segment LCD show ： Show active power and reactive power values

TM

External Use 26

Success Case – Energy Management System

Cloud for energy service

Cloud for energy service

空调调温器Thermostat

窗帘控制器Curtain Controls

触控开关Touch Switch

能源服务入口Energy Services Portal

Star/Tree/Mesh混合组网

MKM14Z128CHH5

MKM14Z128CHH5

MKM14Z128CHH5

计量插座Metrology SocketMKM14Z128CHH5

I.MX6S/SL for multi mediaK60 for WifiK60 for GPRS

An innovated energy management system provider • Product:

• Energy monitor• Smart energy controller• Smart Switch• Energy Gateway• Energy Cloud service

FSL Position• KM14 in curtain controls• KM14 in touch switch• KM14 in thermostat• KM14 in metrology socket• IMX6S/SL in industry gateway• M60+MQX in industry gateway

TM

External Use 27

Success Case – Smart Socket

TM

External Use 28

Success Case – Panel Meter

电量监控终端

配电面板表

智能漏电开关

TM

© 2014 Freescale Semiconductor, Inc. | External Use

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http://www.freescale.com/

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External Use TM 基于 Kinetis M 的计量表解决方案 Subtitle of Presentation Jun 24 2014...

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Transcript of External Use TM 基于 Kinetis M 的计量表解决方案 Subtitle of Presentation Jun 24 2014...