ATMEGA649 ATMEGA649-16MU -- 8-bit Microcontroller with In-System Programmable Flash
Features
• 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
• Non-volatile Program and Data Memories
– In-System Self-Programmable Flash, Endurance: 10,000 Write/Erase Cycles
32K bytes (ATmega329/ATmega3290)
64K bytes (ATmega649/ATmega6490)
– Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
– EEPROM, Endurance: 100,000 Write/Erase Cycles
1K bytes (ATmega329/ATmega3290)
2K bytes (ATmega649/ATmega6490)
– Internal SRAM
2K bytes (ATmega329/ATmega3290)
4K bytes (ATmega649/ATmega6490)
– 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
| 核心处理器 |
AVR |
| 核心尺寸 |
8-位 |
| 速度 |
16MHz |
| 连接性 |
SPI，UART/USART，USI |
| 外设 |
欠压检测/复位，LCD，POR，PWM，WDT |
| I/O 数 |
53 |
| 程序存储容量 |
64KB（32K x 16） |
| 程序存储器类型 |
闪存 |
| EEPROM 容量 |
2K x 8 |
| RAM 容量 |
4K x 8 |
| 电压 - 电源 (Vcc/Vdd) |
2.7 V ~ 5.5 V |
| 数据转换器 |
A/D 8x10b |
| 振荡器类型 |
内部 |
| 工作温度 |
-40°C ~ 85°C |
| 封装/外壳 |
64-VFQFN 裸露焊盘 |
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