型号 封装 在线定购
ATXmega256A3-AU(查看) TQFP64


技术资料—— ATXmega256A3 PDF技术资料
ATXmega256A3 参数
ATXmega256A3 存储器
Flash (Kbytes) 256
SRAM (Kbytes) 16
EEPROM (Kbytes) 4
ATXmega256A3 其他参数
F.max (MHz) 32
Vcc (V) 1.6-3.6
Max I/O Pins 50
Analog Comparators 4
16-bit Timers 7
ADC Speed (ksps) 2000
picoPower YES
Hardware Multiplier YES
ATXmega256A3 封装与引脚

ATXmega256A3 概述

ATXmega256A3, low power, high performance 8-bit AVR microcontroller featuring 256KB self-programming flash program memory, 8KB boot code section, 16KB SRAM, 4096-Byte EEPROM, external bus interface, 4-channel DMA controller, 8-channel event system, and up to 32 MIPS throughput at 32MHz. The ATxmega A3 series features 64-pin packages.

The ATXmega256A3 can be used in a wide range of applications, such as building, industrial, motor, board, and climate control; hand-held battery applications; factory automation; power tools; HVAC; networking, metering, large home appliances, and optical and medical devices.

ATXmega256A3 特性

  • High-performance, Low-power 8-bit AVR XMEGA Microcontroller.
  • Non-volatile Program and Data Memories
    - 64 KB - 256 KB of In-System Self-Programmable Flash.
    - 4 KB - 8 KB Boot Code Section with Independent Lock Bits.
    - 2 KB - 4 KB EEPROM.
    - 4 KB - 16 KB Internal SRAM.
  • Peripheral Features
    - Four-channel DMA Controller with support for external requests.
    - Eight-channel Event System.
    - Seven 16-bit Timer/Counters.
    • Four Timer/Counters with 4 Output Compare or Input Capture channels.
    • Three Timer/Counters with 2 Output Compare or Input Capture channels.
    • High-Resolution Extension on all Timer/Counters.
    • Advanced Waveform Extension on two Timer/Counters.
    - Seven USARTs
    • IrDA Extension on 1 USART.
    - AES and DES Crypto Engine.
    - Two Two-wire Interfaces with dual address match (I2C and SMBus compatible).
    - Three SPI (Serial Peripheral Interfaces).
    - 16-bit Real Time Counter with Separate Oscillator.
    - Two Eight-channel, 12-bit, 2 Msps Analog to Digital Converters.
    - One Two-channel, 12-bit, 1 Msps Digital to Analog Converter.
    - Four Analog Comparators with Window compare function.
    - External Interrupts on all General Purpose I/O pins.
    - Programmable Watchdog Timer with Separate On-chip Ultra Low Power Oscillator.
  • Special Microcontroller Features
    - Power-on Reset and Programmable Brown-out Detection.
    - Internal and External Clock Options with PLL.
    - Programmable Multi-level Interrupt Controller.
    - Sleep Modes: Idle, Power-down, Standby, Power-save, Extended Standby.
    - Advanced Programming, Test and Debugging Interfaces.
    • JTAG (IEEE 1149.1 Compliant) Interface for test, debug and programming.
    • PDI (Program and Debug Interface) for programming, test and debugging
  • I/O and Packages
    - 50 Programmable I/O Lines.
    - 64-lead TQFP.
    - 64-pad QFN.
  • Operating Voltage: 1.6 – 3.6V.
  • Speed performance
    - 0 – 12 MHz @ 1.6 – 3.6V.
    - 0 – 32 MHz @ 2.7 – 3.6V.