Dishwashers Overview Home appliance controls changing from purely

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Dishwashers Overview Home appliance controls changing from purely

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Overview Home appliance controls changing from purely mechanical fully electronic microcontrollers incorporated into designs. migration industry from mechanical electromechanical control, then full electronic control been ongoing several years. Today, microcontrollers provide intelligence every electronic solution. primary reasons driving adoption electronics reliability, cost, improved energy efficiency. Dishwashers among most recent additions White Goods product portfolio, with market penetration increasing rapidly over last years. Because this relatively recent introduction (compared other appliances), high percentage dishwashers electronic control. Microcontrollers enable electronic control that provides range dishwasher appliance features. Benefits Measures water temperature, which allows efficient control heating element conserve energy Enhances informational display functions such countdown completion wash Provides event control alarm Offers in-home connection that sends dishwasher machine progress messages other in-home devices
TYPICAL MICROPROCESSOR APPLICATION DIAGRAM
MC33993 MSDI Comms Display Panel
Provides automatic machine startup when electricity least expensive
Temperature Sensors Door Closed Sensor
Timing Functions Water Inlet Water Outlet Pump Heating Element Detergent Adder
Connectivity Feature Future Models: Sending messages other products
Microcontroller
Tailored washing programs stored
MC33289 Power
Alarm
Freescale Ordering Information
Part Number DSP56F801 Product Highlights MHz, MIPS, SCI, SPI, ADC, PWM, Quad Timer Program Flash, Program RAM, Data Flash, Data MHz, MIPS, SCI, SPI, ADC, PWM, Quad Timer Program Flash, Program RAM, Data Flash, Data MHz, MIPS, CAN, SCI, SPI, ADC, PWM, Quad Timer Program Flash, Program RAM, Data Flash, Data Dual high-side switch inductive load Switch detection interface inputs MHz, MIPS, 48KB Flash 12KB with SPI, SCI, ADC, PWM, COP, PLL, Decoder, Quad Timers, FlexCAN, MCU-friendly instruction set, Enhanced OnCE debug, on-chip relaxation oscillator, temperature sensor. MHz, MIPS, 48KB Flash 12KB with SPI, SCI, ADC, PWM, COP, PLL, Decoder, Quad Timers, FlexCAN, MCU-friendly instruction set, Enhanced OnCE debug, on-chip relaxation oscillator, temperature sensor. ADC, SCI, SPI, EEPROM ADC, SCI, SPI, CAN, EEPROM ADC, SCI, ADC, SCI, ADC, SCI, SPI, ADC, ADC, PWM, SCI, count, cost Compensated Pressure Sensor Integrated Pressure Sensor Additional Information MCU-friendly instruction set, OnCE debug, on-chip relaxation oscillator, BootFLASH GPIO available 48-pin LQFP. MCU-friendly instruction set, OnCE debug, on-chip relaxation oscillator, BootFLASH GPIO available 32-pin LQFP. MCU-friendly instruction set, OnCE debug, on-chip relaxation oscillator, BootFLASH GPIO available 100-pin LQFP. www.freescale.com/analog www.freescale.com/analog Industrial (-40°C 105°C) Extended (-40°C 125°C) Temperature Ranges with GPIOs 48-pin LQFP. Industrial (-40°C 105°C) Extended (-40°C 125°C) Temperature Ranges with GPIOs 64-pin LQFP. www.freescale.comNote www.freescale.comNote www.freescale.comNote www.freescale.comNote www.freescale.comNote www.freescale.comNote www.freescale.comNote www.freescale.comNote www.freescale.comNote www.freescale.comNote www.freescale.comNote www.freescale.comNote
DSP56F802
DSP56F803
MC33289 MC33993 MC56F8322
MC56F8323
MC68HC(9)08ABxx MC68HC(9)08AZxx MC68HC(9)08GPxx MC68HC(9)08JKxx MC68HC(9)08JLxx MC68HC908GRxx MC68HC908GT16 MC68HC908KXxx MC68HC908MRxx MC68HC908Qxx MPXM2010 MPXV5004
Note: Search listed part number.
Design Challenges Cost appliance market highly competitive cost sensitive. Eliminating just cents from cost solution save thousands dollars this high-volume market. Flexibility model introduced every year, with products having shorter life cycle. This means software problems must eliminated quickly, which requires professional development tools faster, more efficient development cycles.
Noise Having quiet appliance major goal manufacturers. consumers become busier, more appliances likely operating simultaneously, possibly even during night hours when electricity least expensive. Therefore, minimum levels noise vibration desirable. Legislation Energy regulations consumer demand energy-efficient appliances driving manufacturers redesign their products meet these expectations. Dishwashers designed with efficiency concerns, water electricity.
Measurement Accuracy Measuring temperatures different interior zones dishwasher amount water used maximum efficiency critical.
SG2037-2
Freescale Semiconductor Solution Freescale Semiconductor industry leader Flash microcontrollers. Flash memory nonvolatile memory (NVM) technology that provides access following features: Faster programming erase times Flash memory with reprogram capability In-application programming, which reduces time market Improved write/erase data retention performance Flash Flexible block protection security Flash emulation EEPROM
Embedded Flash brings flexibility your designs: Provides end-of-line customization regional variations consumer demands Enables changing legislation satisfied with software-enabled intelligence Supports remote diagnostics preventative maintenance Minimizes programming costs while increasing code flexibility with production line programming Reduces code obsolescence, which saves scrapped product costs
Improves time market, which reduces lead times Standardizes platforms, which reduces product variability Eliminates sockets rework with insystem programmable Flash Provides field upgrade capability while allowing remote reprogramming microcontroller Eliminates need external EEPROM with 10,000 write/erase cycles because Flash emulate EEPROM
Development Tools Note
Tool Type Software Software Software Software Software Hardware Hardware Hardware Hardware Hardware Hardware Hardware Development Product Name CW568X CWHC08ASM CWHC08 CWHC08CC CWHC08MIG 56F800DEMO 68HC08 Emulators, Cables, Adapters 68HC08 Programmers DSP56F801EVM DSP56F803EVM MC56F8300DSK MC56F8323EVM MON08 Cyclone Vendor Freescale Semiconductor Metrowerks Metrowerks Metrowerks Metrowerks Freescale Semiconductor Freescale Semiconductor Freescale Semiconductor Freescale Semiconductor Freescale Semiconductor Freescale Semiconductor Freescale Semiconductor Freescale Semiconductor Description CodeWarriorDevelopment Studio 56800/E Hybrid Controllers with Processor Expert (Metrowerks) CodeWarrior Tools HC08 CodeWarrior Full Package HC08 Stand-Alone C/C++/cC++/EC++ Compiler HC08 CodeWarrior Full Package HC08 Migration 56F800 Demonstration Emulation Modules, Flex Cables, Target Head Adapters Support 68HC08 MCUs Programmer Boards Support 68HC08 MCUs Evaluation Module 56F801 56F802 Processors Evaluation Module 56F803 Processor 56F8300 Developers Start Evaluation Module 56F8322 56F8323 Hybrid Controllers Provides capabilities MON08 Multilink plus ability function stand-alone programmer with push buttons user interface. Low-Cost Development Tool 68HC08 Flash MCUs Low-Cost Tools Developing Debugging Target Systems Incorporating 68HC08 MCUs Economical, Two-Board Emulator 68HC(9)08 MCUs Full-Featured Emulator System Developing Embedded Systems Using 68HC(9)08 MCUs
Development Development Development Development
MON08 Multilink In-Circuit Simulator (ICS) Kits Modular Evaluation System (MMEVS) Kits Modular Development System (MMDS) Kits
Freescale Semiconductor Freescale Semiconductor Freescale Semiconductor Freescale Semiconductor
Note: detailed information, refer "Microcontrollers" section Freescale Semiconductor document SG1011, Software Development Tools.
SG2037-3
Related Documentation
Document Number 8-16BITPAK AN1516 AN1950 APDPAK BR68HC08FAMAM CWDEVSTUDFACT FLYR30 FLYREMBEDFLASH SG1002Q32004 SG1010Q32004 Description 16-Bit Sales Binder Liquid Level Control Using Freescale Semiconductor Pressure Sensor Water Level Monitoring Analog Integrated Solutions Pitch Pack 68HC08 Family: High Performance Flexibility CodeWarrior Development Studio 68HC08, Special Edition Brochure MPXM Series Pressure Sensors Embedded Flash: Changing Technology World Better Analog Product Selector Guide Sensors Product Selector Guide
Learn More: Contact Technical Information Center +1-800-521-6247 +1-480-768-2130. more information about Freescale products, please visit www.freescale.com.
Freescaleand Freescale logo trademarks Freescale Semiconductor, Inc. other product service names property their respective owners. Freescale Semiconductor, Inc. 2004. rights reserved. SG2037 12/2004
December2004

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