MAXQ7666

16-Bit, RISC, Microcontroller-Based, Smart Data-Acquisition System

Fully Integrated 12-Bit Solution for Angle Measurement using Magnetoresistive Sensors

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Part Details

  • High-Performance, Low-Power, 16-Bit RISC Core
    • 8MHz Operation, Approaching 1 MIPS per MHz
    • Low Power (< 3mA/MIPS, DVDD = +3.3V)
    • 16-Bit Instruction Word, 16-Bit Data Bus
    • 33 Instructions (Most Require Only One Clock Cycle)
    • 16-Level Hardware Stack
    • Three Independent Data Pointers with Automatic Increment/Decrement
  • Program and Data Memory
    • 16KB (8K x 16) Program Flash
    • Up to 512 Bytes (256 x 16) Data Flash
    • 512 Bytes (256 x 16) RAM
  • Smart Analog Peripherals
    • Low-Power, Eight Differential-Channel, 12-Bit, 500ksps ADC
    • PGA, Software-Selectable Gain: 1V/V, 2V/V, 4V/V, 8V/V, 16V/V, 32V/V
    • 12-Bit DAC with Buffered Voltage Output
    • External References for ADC and DAC
    • Internal (Die) and External Diode Temperature Sensing
  • Timer/Digital I/O Peripherals
    • Full CAN 2.0B Controller
      • 15 Message Centers (256-Byte Dual Port Memory)
      • Programmable Bit Rates from 10kbps to 1Mbps
      • Standard 11-Bit or Extended 29-Bit Identification Modes
      • Two Data Masks and Associated IDs for DeviceNET™, SDS, and Other Higher Layer CAN Protocols
      • External Transmit Disable for Autobaud
      • SIESTA Low-Power Mode
      • Wake-Up on CANRXD Edge Transition
    • UART (LIN) with User-Programmable Baud Rate
    • 16 x 16 Hardware Multiplier with 48-Bit Accumulator, Single Clock-Cycle Operation
    • Three 16-Bit (or Six 8-Bit) Programmable Timer/Counter/PWM
    • Eight General-Purpose, Digital I/Os, with External Interrupt Capability
    • Wake-Up Capable Interrupts
  • Crystal/Clock Module
    • Internal Oscillator for Use with External Crystal
    • Internal RC Oscillator Eliminates External Crystal
    • External Clock-Source Operation
    • Programmable Watchdog Timer
  • Power-Management Module
    • Power-On Reset (POR)
    • Power-Supply Supervisor/Brownout Detection for Digital I/O and Digital Core Supplies
    • On-Chip +3.3V, 50mA Linear Regulator
  • JTAG Interface
    • Extensive Debug and Emulation Support
    • In-System Test Capability
    • Flash-Memory-Program Download
    • Software Bootstrap Loader for Flash Programming
  • Low-Power Consumption
    • Low-Power Stop Mode (CPU Shutdown)
MAXQ7666
16-Bit, RISC, Microcontroller-Based, Smart Data-Acquisition System
MAXQ7666: Typical Operating Circuit
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