ATmega16 AVR单片机中文手册:高性能、低功耗

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"ATmega16中文资料,包括产品特性、微处理器性能、非易失性存储器、外设特点、处理器特性和I/O封装等关键信息。" ATmega16是一款由Atmel(现已被Microchip Technology收购)制造的8位AVR系列单片机,以其高效能和低功耗而闻名。这款芯片采用先进的RISC(精简指令集计算)架构,设计简洁,执行效率高。它拥有131条指令,大部分指令可以在一个时钟周期内完成,提供32个8位通用工作寄存器,使其能够快速处理数据。 在内存方面,ATmega16配备了16KB的系统内可编程Flash存储器,具备10,000次的擦写寿命,并且可以进行系统内编程。此外,还有512字节的EEPROM,具有100,000次的擦写寿命,以及1KB的片内SRAM,满足数据存储需求。芯片还允许通过JTAG接口进行编程和调试,包括Flash、EEPROM、熔丝位和锁定位。 ATmega16的外设功能丰富多样,包括两个8位定时器/计数器和一个16位定时器/计数器,带有独立预分频器和比较器功能。此外,它还拥有一个实时计数器RTC、四通道PWM、8路10位ADC(模拟数字转换器),支持单端和差分输入,以及一个两线接口、两个串行USART和一个SPI串行接口,适应不同通信需求。还有可编程看门狗定时器和模拟比较器,增强了系统监控和信号处理能力。 处理器特性方面,ATmega16提供了上电复位和可编程的掉电检测,以及多种睡眠模式,如空闲模式、ADC噪声抑制模式、省电模式、掉电模式、Standby模式和扩展的Standby模式,以优化能耗。此外,它包含片内经过校准的RC振荡器和多种中断源。 在I/O和封装上,ATmega16拥有32个可编程的I/O口,分别提供40引脚PDIP、44引脚TQFP和44引脚MLF封装,适用于不同尺寸和引脚数的需求。工作电压范围分别为ATmega16L的2.7-5.5V和ATmega16的4.5-5.5V。在速度等级上,ATmega16L最高支持8MHz,而ATmega16则达到16MHz。在低功耗模式下,如掉电模式,电流消耗可低至1微安以下。 该中文资料为英文数据手册的翻译,旨在为中国用户提供便利,帮助他们更好地理解和应用ATmega16单片机。
2009-09-28 上传
Features • High-performance, Low-power AVR® 8-bit Microcontroller • Advanced RISC Architecture – 131 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 – 16K Bytes of In-System Self-programmable Flash program memory – 512 Bytes EEPROM – 1K Byte Internal SRAM – 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 – Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes – 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 • 8 Single-ended Channels • 7 Differential Channels in TQFP Package Only • 2 Differential Channels with Programmable Gain at 1x, 10x, or 200x – Byte-oriented Two-wire Serial Interface – Programmable Serial USART – Master/Slave SPI Serial Interface – Programmable Watchdog Timer with Separate On-chip Oscillator – On-chip Analog Comparator • Special Microcontroller Features – Power-on Reset and Programmable Brown-out Detection – Internal Calibrated RC Oscillator – External and Internal Interrupt Sources – Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby and Extended Standby • I/O and Packages – 32 Programmable I/O Lines – 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF • Operating Voltages – 2.7 - 5.5V for ATmega16A • Speed Grades – 0 - 16 MHz for ATmega16A • Power Consumption @ 1 MHz, 3V, and 25°C for ATmega16A – Active: 0.6 mA – Idle Mode: 0.2 mA – Power-down Mode: < 1μA