Novinka:AD: ADuC7122 ARM7TDMI a 12-Bit Analog
(Kategória: Semiconductor-ZONE)
Zaslal EdizonTN
25.02.2010-09:05

Spoločnosť Analog Devices Inc. predstavila ďaľšieho člena MCU rodiny - ADuC 7122.
Jedná sa o precízny analógový mikrokontrolér, využívajúci jadro ARM7TDMI®.
Analógová časť pracuje pri 1MSPS s 12 bitmi a to pri 13 kanálovom ADC (2 kanály disponujú programovateľným zosilnovačom) a 12 kanálovom DAC.

Prehľad

  • Analog I/O
    • 13 external channel, 12-bit, 1 MSPS ADC
      2 channels with programmable gain
      PGA (1 to 5) input range
      IOVDD power monitor channel
      On-chip temperature monitor
      11 general-purpose inputs
    • Fully differential and single-ended modes
    • 0 V to VREF analog input range
    • 12 × 12-bit voltage output DACs
    • On-chip voltage reference: 1.2 V/2.5 V
      Buffered output reference sources for use with external circuits
  • Microcontroller
    • ARM7TDMI core, 16-bit/32-bit RISC architecture
    • JTAG port supports code download and debug
  • Clocking options
    • Trimmed on-chip oscillator (±3%)
    • External watch crystal
    • External clock source up to 41.78 MHz
    • 41.78 MHz PLL with programmable divider
  • Memory
    • 126 kB Flash/EE memory, 8 kB SRAM
    • In-circuit download, JTAG-based debug
    • Software-triggered in-circuit reprogrammability

    • On-chip peripherals
      • UART, 2 × I2C and SPI serial I/O
      • 32-pin GPIO port
      • 4× general-purpose timers
      • Wake-up and watchdog timers (WDT)
      • Power supply monitor
    • Vectored interrupt controller for FIQ and IRQ
      • 8 Priority levels for each interrupt type
      • Interrupt on edge or level external pin inputs
    • Power
      • Specified for 3 V operation
      • Active mode: 11 mA at 5 MHz, 40 mA at 41.78 MHz
    • Packages and temperature range
      • 7 mm × 7mm 108-ball BGA
      • Fully specified for −10°C to +95°C operation
    • Tools
      • Low cost QuickStart™ development system
      • Full third-party support
    Blokové zapojenie


    Cena
    ADuC7122 by mal byť už dostupný v cene od 8,90 USD (@1k ks)

    Odkazy
    ADuC7122 datasheet

    Distribúcia
    viď. Adresár

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