Product category: Microprocessors, Microcontrollers and DSPs
News Release from: Texas Instruments (April 2001-March 2006) | Subject: MSP430FW427
Edited by the Electronicstalk Editorial Team on 18 November 2003
MCU made for automated meter reading
The industry's first single-chip MCU for electronic flow measurement and motion detection aims to reduce cost and design time for makers of meters with automated meter reading features
The MSP430FW427, built on the ultralow-power MSP430 product line, combines an ultralow-power Flash MCU with an integrated volume scan interface and an LCD driver on a single chip. The device's ultralow-power architecture and programmable communication capabilities increase meter accuracy and performance, while extending battery life.
This article was originally published on Electronicstalk on 18 November 2003 at 8.00am (UK)
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In addition, these features make the device ideal for meters with sophisticated automated meter reading capabilities.
The MSP430FW427's on-chip scan interface state machines are fully programmable and can now automatically perform functions previously accomplished in software.
This advanced scheme maximises system design flexibility and minimises power consumption, effectively extending the battery life of electronic water, heat and industrial flow meters, anemometers and other rotation detecting applications.
'The MSP430FW427 allows us to develop meters that will mark the beginning of a new era in electronic water and heat metering', said Werner Domschke, Engineering Manager of Siemens Building Technologies' company Landis and Stefa Electronic.
'Not only are performance and accuracy clearly increased, but the new MSP430 family and its unmatched low-power operation will also enable us to offer fully electronic meters with a battery life of 10 years and beyond, at a competitive cost.
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The integrated peripherals make the new family a perfect choice for meters with AMR, the driving force toward electronic utility metering'.
The MSP430FW427 is designed to connect directly to sensors commonly used in industrial applications, such as resonant circuits, Hall-effect or giant-magnetoresistive sensors.
The MSP430FW427 also includes: a watchdog timer; an LCD driver for up to 96 segments; brownout protection and supply voltage supervisor; two multichannel pulsewidth modulation timers; and a versatile analogue comparator for A/D conversions.
The MSP430FW427 is fully compatible with the existing MSP430F41x products, allowing designers currently using MSP430F41x devices to take advantage of the new chip's increased memory and additional peripherals.
The MSP430FW427 is fully compatible with the existing $99 MSP-FET430P410 toolkit.
The tool supports real-time in-system application development, accessing the Flash device's embedded emulation capability.
It comes complete with a JTAG interface, target board and a complete integrated development environment (IDE) including a debugger, assembler/linker and 4Kbyte C compiler.
The MSP430FW427 offers 32Kbyte on-chip Flash memory and 1Kbyte RAM.
It comes in a 64-pin quad flat package (QFP) and is available now from TI and its authorised distributors.
Pricing for the device starts at $4.45 in 1000-piece quantities (suggested resale pricing).
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