8-bit LCD GW MCUs

S08GW

The MC9S08GW is an 8-bit microcontroller family based on the proven S08 core, and used in gas or water flow meters, as well as single-phase electric meters. Two independent 16-bit SAR analog-to-digital converters (ADCs) with a programmable delay block and a pulse counter with automatic sensor decoding for gas and water flow meters make this family ideal for electric metering applications. Additionally, the flexible LCD controller enables it to be highly integrated. The MC9S08GW family comes with a full suite of hardware and software tools to make development quick and easy, including a cost-effective tower module for getting started quickly.

Product Details

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Block Diagram

Freescale S08GW Microcontroller Block Diagram

Freescale S08GW Microcontroller Block Diagram
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Features

  • 20 MHz bus frequency S08 8-bit core
  • 64 KB and 32 KB flash options
  • 4 KB RAM
  • Two independent 16-bit SAR ADC with programmable delay block
  • Flexible LCD controller
    • Up to 288 segments
    • Regulated charge pump (contrast control)
  • Real-time clock with calendar, backup SRAM, calibration feature with tamper detection
  • Automatic meter reading (AMR) serial communication port
  • Position counter with automatic sensor decoding
  • 16/32-bit CRC with programmable G(x)
  • 64/80 LQFP package options

Documentation

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Design Resources

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Hardware

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Software

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Note: For better experience, software downloads are recommended on desktop.

Engineering Services

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