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  • AT91M42800A-33CJ 32位ARM单片机BGA-144封装  
  • 发布时间:2009/9/16 8:38:41   修改时间:2009/9/16 8:38:41 浏览次数:1200
  • AT91M42800A-33CJ 32位ARM单片机BGA-144封装

    Status Production
    SRAM (Bytes) 8K
    External Bus Interface 1
    RTC/RTT -/1
    Peripheral DMA Channels 8
    Max. Clock Speed (MHz) 33
    I/O Pins 54
    USART/DBGU 2/-
    SPI 2
    16-bit Timers 6
    Period Interval Timer 1
    Watchdog Timer 1
    Crystal Oscillator/PLL 39815
    ARM Core 7TDMI
    I/O Voltage Domain (V) 3.3/5.0
    Single Supply Y
    Pb-Free Packages LBGA 144
    LQFP 144
    AT91M42800A-33CJ 产品描述

    The AT91M42800A is a member of theAtmel AT91 16/32-bit microcontroller family, which is based on the ARM7TDMI processor core. This processor has a high-performance 32-bit RISC architecture with a high-density 16-bit instruction set and very low power consumption. In addition, a large number of internally banked registers result in very fast exception handling, making the device ideal for real-time control applications. The AT91 ARM-based MCU family also features Atmel’s high-density, in-system programmable, nonvolatile memory technology.

    TheAT91M42800A has a direct connection to off-chip memory, including Flash, through the External Bus Interface. The Power Management Controller allows the user to adjust device activity according to system requirements, and, with the 32.768 kHz low-power oscillator, enables theAT91M42800A to reduce power requirements to an absolute minimum.

    TheAT91M42800A is manufactured using Atmel’s high-density CMOS technology. By combining the ARM7TDMI processor core with on-chip SRAM and a wide range of peripheral functions including timers, serial communication controllers and a versatile clock generator on a monolithic chip, the AT91M42800A provides a highly flexible and cost-effective solution to many compute-intensive applications.

    AT91M42800A-33CJ 参数
    1. Status:Production
    2. SRAM (Bytes):8K
    3. USART/DBGU:2/-
    4. Max. Clock Speed (:33
    5. I/O Pins:54
    6. External Bus Inter:1
    7. Peripheral DMA Cha:8
    8. SPI:2
    9. 16-bit Timers:6
    10. Period Interval Ti :1
    11. Watchdog Timer :1
    12. RTC/RTT :-/1
    13. Crystal Oscillator :1/2
    14. ARM Core :7TDMI
    15. I/O Voltage Domain: 3.3/5.0
    16. Single Supply : Y
    17. 绿色封装: LBGA 144 LQFP 144
    AT91M42800A-33CJ 特点
    • Utilizes the ARM7TDMI? ARM? Thumb? Processor Core
      – High-performance 32-bit RISC Architecture
      – High-density 16-bit Instruction Set
      – Leader in MIPS/Watt
      – Embedded ICE (In-circuit Emulation) 8K Bytes Internal SRAM
    • Fully Programmable External Bus Interface (EBI)
      – Maximum External Address Space of 64M Bytes
      – Up to 8 Chip Selects
      – Software Programmable 8/16-bit External Data Bus
    • 8-channel Peripheral Data Controller
    • 8-level Priority, Individually Maskable, Vectored Interrupt Controller
      – 5 External Interrupts, Including a High-priority, Low-latency Interrupt Reque
    • 54 Programmable I/O Lines
    • 6-channel 16-bit Timer/Counter
      – 6 External Clock Inputs, 2 Multi-purpose I/O Pins per Channel
    • 2 USARTs
      – 2 Dedicated Peripheral Data Controller (PDC) Channels per USART
      – Support for up to 9-bit Data Transfers
    • 2 Master/Slave SPI Interfaces
      – 2 Dedicated Peripheral Data Controller (PDC) Channels per SPI
      – 8- to 16-bit Programmable Data Length
      – 4 External Slave Chip Selects per SPI
    • 3 System Timers
      – Period Interval Timer (PIT); Real-time Timer (RTT); Watchdog Timer (WDT)
    • Power Management Controller (PMC)
      – CPU and Peripherals Can be Deactivated Individually
    • Clock Generator with 32.768 kHz Low-power Oscillator and PLL
      – Support for 38.4 kHz Crystals
      – Software Programmable System Clock (up to 33 MHz)
    • IEEE? 1149.1 JTAG Boundary Scan on All Active Pins
    • Fully Static Operation: 0 Hz to 33 MHz, Internal Frequency Range at VDDCORE = 3.0V, 85°C
    • 2.7V to 3.6V Core and PLL Operating Voltage Range; 2.7V to 5.5V I/O Operating Voltage Range
    • -40° C to +85°C Temperature Range
    • Available in a 144-lead LQFP Package (Green) and a 144-ball BGA Package (RoHS  compliant)
    AT91M42800A-33CJ 订购型号
    Ordering Code Package Package Type Operating Temperature Range
    AT91M42800A-33CJ BGA 144 RoHS-compliant -40° C to +85°C
    AT91M42800A-33AU LQFP 144 Green -40° C to +85°C
    AT91M42800A-33CJ 技术支持
    1. AT91M42800A 英文数据手册DataSheet 下载. PDF (完整版)
    2. ARM7TDMI 技术白皮书
    3. AT91SAM 系列产品选型指南(Brochure, 2 pages, revision E, updated 2/09)
      Product selection guide to Atmel's AT91SAM microcontrollers that give immediate access to market-leading ARM processors.
    4. Atmel's ARM-based Microcontroller Excels in Real-Time (White Paper, 6 pages, revision A, updated 3/01)
      Applications such as mobile communicators, PDAs, solid-state music players and internet appliances demand the best possible real-time performance. Atmel's AT91 series of ARM-based microcontrollers incorporates a number of advanced features that enhance the real-time performance of the ARM7TDMI core, making it ideal for applications of this nature.
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