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ATmega649-16AI 带有64K系统内可编程Flash存储器TQFP-64封装

Flash (Kbytes)	64
EEPROM (Kbytes)	2
SRAM (Bytes)	4096
Max I/O Pins	54
F.max (MHz)	16
Vcc (V)	1.8-5.5
16-bit Timers	1
8-bit Timer	2
PWM Channels	4
RTC	Yes
SPI	1+USI
UART	1
TWI	USI
ISP	Yes
10-bit A/D Channels	8
Analog Comparator	Yes
Brown Out Detector	Yes
Watchdog	Yes
On Chip Oscillator	Yes
Hardware Multiplier	Yes
Interrupts	25
Ext Interrupts	17
Self Program Memory	Yes
Pb-Free Packages	TQFP 100 MLF (VQFN) 64 TQFP 64

64-Kbyte self-programming Flash Program Memory, 4-Kbyte SRAM, 2-KByte EEPROM, 8 Channel 10-bit A/D-converter. JTAG interface for on-chip-debug. 4 X 25 Segment LCD Driver. Up to 16 MIPS throughput at 16 MHz. 1.8 - 5.5 Volt operation.

• 32KB 系统内可编程Flash存储器：ATmega329
• 32KB 系统内可编程Flash存储器：ATmega3290
• 64KB 系统内可编程Flash存储器：ATmega649
• 64KB 系统内可编程Flash存储器：ATmega6490

The ATmega329/3290/649/6490 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture.
By executing powerful instructions in a single clock cycle, the ATmega329/3290/649/6490 achieves throughputs
approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

ATmega649-16AI 特性

• High Performance, Low Power AVR? 8-Bit Microcontroller
• Advanced RISC Architecture
  – 130 Powerful Instructions – Most Single Clock Cycle Execution
  – 32 x 8 General Purpose Working Registers
  – Fully Static Operation
  – Up to 16 MIPS Throughput at 16 MHz
  – On-Chip 2-cycle Multiplier
• High Endurance Non-volatile Memory Segments
  – In-System Self-programmable Flash Program Memory 32K Bytes (ATmega329/ATmega3290) 64K Bytes (ATmega649/ATmega6490)
  – EEPROM：1K bytes (ATmega329/ATmega3290)，2K bytes (ATmega649/ATmega6490)
  – Internal SRAM：2K bytes (ATmega329/ATmega3290)，4K bytes (ATmega649/ATmega6490)
  – Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM
  – Data retention: 20 years at 85°C/100 years at 25°C(1)，Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation，Programming Lock for Software Security
• JTAG (IEEE std. 1149.1 compliant) Interface Boundary-scan Capabilities According to the JTAG Standard，Extensive On-chip Debug Support
  Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
• Peripheral Features
  – 4 x 25 Segment LCD Driver (ATmega329/ATmega649)
  – 4 x 40 Segment LCD Driver (ATmega3290/ATmega6490)
  – Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
  – One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
  – Real Time Counter with Separate Oscillator
  – Four PWM Channels
  – 8-channel, 10-bit ADC
  – Programmable Serial USART
  – Master/Slave SPI Serial Interface
  – Universal Serial Interface with Start Condition Detector
  – Programmable Watchdog Timer with Separate On-chip Oscillator
  – On-chip Analog Comparator
  – Interrupt and Wake-up on Pin Change
• Special Microcontroller Features
  – Power-on Reset and Programmable Brown-out Detection
  – Internal Calibrated Oscillator
  – External and Internal Interrupt Sources
  – Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and
  Standby
• I/O and Packages
  – 53/68 Programmable I/O Lines
  – 64-lead TQFP, 64-pad QFN/MLF, and 100-lead TQFP
• Speed Grade:
  – ATmega329V/ATmega3290V/ATmega649V/ATmega6490V:
  – 0 - 4 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
  – ATmega329/3290/649/6490:
  – 0 - 8 MHz @ 2.7 - 5.5V, 0 - 16 MHz @ 4.5 - 5.5V
• Temperature range:
  – -40°C to 85°C Industrial
• Ultra-Low Power Consumption
  – Active Mode:
• 1 MHz, 1.8V:350 μA32 kHz, 1.8V: 20 μA (including Oscillator)
  32 kHz, 1.8V: 40 μA (including Oscillator and LCD)
• Power-down Mode:100 nA at 1.8V

ATmega649-16AI 订购型号

ATmega649-16AI 技术支持

1. ATmega649 数据手册DataSheet 下载. PDF（完整版）
2. Atmel 爱特梅尔AVR 微控制器简介.PDF (编号:Tech AVR 000)MLF 32
3. 面向新手的AVR 开发工具,及基本知识.PDF(编号:Tech AVR 001)
4. 使用AVR 定时/计数器的PWM功能设计要点 .PDF (编号:Tech AVR 002)
5. AVR指令集（版本：0856G–AVR–07/08）
6. 相关产品选型（ Excel 文档格式）
7. AVR 微控制器汽车应用解决方案 . pdf
8. AVR 微控制器选型指南. pdf
9. ATMEL 爱特梅尔公司全线产品目录. pdf