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ATXmega128A1 概述

ATXmega128A1, low power, high performance 8-bit AVR microcontroller featuring 128KB self-programming flash program memory, 8KB boot code section, 8KB SRAM, 2048-Byte EEPROM, external bus interface, 4-channel DMA controller, 8-channel event system, and up to 32 MIPS throughput at 32MHz. The AVR XMEGA A1 series features 100-pin packages.

The ATXmega128A1 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.

ATXmega128A1 特性

• High-performance, Low-power 8-bit AVR XMEGA Microcontroller.
• Non-volatile Program and Data Memories
  - 64K - 384K Bytes of In-System Self-Programmable Flash.
  - 4K - 8K Bytes Boot Section with Independent Lock Bits.
  - 2 KB - 4 KB EEPROM.
  - 4 KB - 32 KB Internal SRAM.
• Peripheral Features
  - Four-channel DMA Controller with support for external requests.
  - Eight-channel Event System.
  - Eight 16-bit Timer/Counters.
  
  • Four Timer/Counters with 4 Output Compare or Input Capture channels.
  • Four Timer/Counters with 2 Output Compare or Input Capture channels.
  • High-Resolution Extension on all Timer/Counters.
  • Advanced Waveform Extension on two Timer/Counters.
  - Eight USARTs
  
  • IrDA modulation/demodulation for one USART.
  - Four Two-Wire Interfaces with dual address match (I2C and SMBus compatible).
  - Four SPI (Serial Peripheral Interface) peripherals.
  - AES and DES Crypto Engine.
  - 16-bit Real Time Counter with separate Oscillator.
  - Two Eight-channel, 12-bit, 2 Msps Analog to Digital Converters.
  - Two Two-channel, 12-bit, 1 Msps Digital to Analog Converters.
  - 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 and Prescaler.
  - 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
  - 78 Programmable I/O Lines.
  - 100 - lead TQFP.
  - 100 - ball CBGA.
  - 100 - ball VFBGA.
• Operating Voltage: 1.6 – 3.6V.
• Speed performance
  - 0 – 12 MHz @ 1.6 – 3.6V.
  - 0 – 32 MHz @ 2.7 – 3.6V.