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MAXQ3210
Microcontroller with Internal Voltage Regulator, Piezoelectric Horn Driver, and Comparator


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Data Sheet
FULL DATA SHEET (PDF, 400kB)
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Errata
  • Errata MAXQ3210 MAXQ3210A3.pdf 
  • Description
    The MAXQ3210 microcontroller is a low-power, 16-bit RISC device that incorporates a driver for a high-output piezoelectric horn/transducer, an analog comparator, and a high-current I/O pin that directly drives an LED. The device is uniquely suited for cost-conscious applications such as chemical detectors, alarm systems, and white goods, but can be used in any application that requires high-performance and low-power operation. The high-performance 16-bit RISC core and 8-bit accumulators are complemented by standard amenities such as timers and digital I/O. The power consumption per MIPS ratio is among the best in the 16-bit microcontroller industry.

    The MAXQ3210 is powered directly from a 6V to 9.5V source, such as a battery, but an internal voltage regulator operates the core at 5V. The microcontroller also provides a flag if the input voltage supply falls below the low-batttery detection threshold (VBF), which can be used to signal a low-voltage condition of the 9V battery. The MAXQ3212 is a general-purpose version of the MAXQ3210 that is powered directly from an external 5.0V supply.

    A 1kWord EEPROM program memory stores customer application code and software algorithms. Software is programmable in-system by the ROM-based bootloader and also in-application programmable under user software control. The device provides 64 bytes of volatile SRAM and 128 bytes of EEPROM in the data memory space. Contact Dallas Semiconductor concerning the availability of ROM-based devices for high-volume, low-cost applications.

    Note: Designers must have the following documents to fully use all the features of this device. This data sheet contains pin descriptions, feature overviews, and electrical specifications. Errata sheets contain deviations from published specifications. The user's guides offer detailed information about device features and operation.

    Key Features   Applications/Uses
    • High-Performance, Low-Power, 16-Bit RISC Core
      • DC to 3.58MHz Operation, Approaching 1MIPS per MHz
      • Low-Cost Operation from "Colorburst" Crystal or RC Oscillator
      • 6V to 9.5V External Voltage Supply Operates from Single 9V Battery
      • 5.0V Nominal Internal Operation
      • Up to 15 General-Purpose I/O Pins
      • 33 Instructions, Most Single-Cycle
      • Three Independent Data Pointers Accelerate Data Movement with Automatic Increment/Decrement
      • Two Loop Counters
      • 4-Level Hardware Stack
      • 16-Bit Instruction Word, 16-Bit Data Bus
      • 16 x 8-Bit Accumulators
      • JTAG Debug/Visibility Port
    • Program and Data Memory
      • 1kWord EEPROM Program Memory, Mask ROM for High-Volume Applications
      • 128 Bytes EEPROM Data Memory
      • 60,000 EEPROM Write/Erase Cycles
      • 64 Bytes SRAM Data Memory
      • In-System Programming
    • Peripheral Features
      • Piezoelectric Horn Driver
      • 16-Bit Programmable Timer/Counter with Prescaler
      • High-Current I/O Pin Suitable for LED Drive
      • Programmable Watchdog Timer
      • Selectable Power-Fail Reset
      • Power-On Reset (POR)
      • Wake-Up Timer
      • Internal 8kHz Ring Oscillator
    • Flexible Programming Interface
      • Integrated Bootloader
      • In-System/In-Application Programming of EEPROM Through JTAG
    • Ultra-Low-Power Consumption
      • < 6mA at 3.58MHz
      • 5.5µA Standby Current (typ)
      • Low-Power Divide-by-256 Mode
    • Analog Features
      • Analog Comparator Uses Internal or External Voltage Reference
      • +2.5V Reference Output Available
      • On-Chip Voltage Regulator Supports Up to 9.5V as Power Supply
      • Low-Battery Detection
      • 5V Regulated Output Available, Up to 50mA

     
  • Battery-Powered and Portable Devices
  • Electrochemical and Optical Sensors
  • Environmental Systems
  • Gas and Chemical Sensors
  • Home Appliances
  • Security Alarm Systems
  • Thermostats/Humidity Sensors

    Diagram
    MAXQ3210: Typical Operating Circuit
    Typical Operating Circuit

    Application Notes
  • Application Note 3537: Environmental Monitoring with the MAXQ3210 - MAXQ3210
  • Application Note 3561: Getting Started with MAX-IDE - MAXQ3210
  • Application Note 3593: MAXQ Competitive Analysis Study - MAXQ3210
  • Application Note 3618: MAXQ Microcontroller Interrupt Programming - MAXQ3210
  • Application Note 3720: Options for Embedded User Interfaces - MAXQ3210
  • Application Note 3765: Remote Keyless Entry with the MAXQ3212 - MAXQ3210
  • Application Note 3769: Building a 1-Wire Temperature Logger Using the MAXQ3210 - MAXQ3210
  • Application Note 3770: Table Operations for the MAXQ Architecture - MAXQ3210
  • Application Note 3885: Using the MAXQ3210 As A Water Sensor/Alarm System - MAXQ3210
  • Application Note 3914: Using the MAXQ3212 Microcontroller as an AC-Power Sequencer - MAXQ3210
  • Application Note 3932: Using the MAXQ3210 as a Microprocessor Supervisor - MAXQ3210
  • Application Note 3965: How to Use the MAXQ3212 Microcontroller as a Digital Thermostat - MAXQ3210
  • Application Note 3966: Multiplexing JTAG Interface Pins on MAXQ Microcontrollers - MAXQ3210
  • Application Note 4008: Calling Utility ROM Functions with IAR's Embedded Workbench for MAXQ - MAXQ3210
  • Application Note 4012: Implementing a JTAG Bootloader Master for the MAXQ2000 Microcontroller - MAXQ3210
  • Application Note 4041: Implementing a Software UART on the MAXQ3210 - MAXQ3210
  • Application Note 4148: Piezoelectric Tone Generation Using the MAXQ3210 - MAXQ3210
  • Application Note 4153: Using the MAXQ3210 in a Light-Beam Alarm System - MAXQ3210
  • Application Note 4242: Using the MAXQ3210 in an Audio Attenuator Circuit - MAXQ3210

    Evaluation Kits
  • MAXQ3210-KIT

    Reliability Reports
  • Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    This product is not available for purchase.


    Notes and Comments
    Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be simultaneously available through various sales channels. For information about device errata, go to: www.maxim-ic.com/errata.

    More Information
  • MAXQ Family User's Guide
  • MAXQ3210/MAXQ3212 Supplement

    Related Products
    MAXQ3212 Microcontroller with Analog Comparator and LED Driver
    MAXQ2000 Low-Power LCD Microcontroller

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    Rev 2; 2006-09-06
    This page last modified: 2009-02-06


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