ATMEGA328P-MN

ATmega328P 8 位 megaAVR picoPower 微控制器Atmel ATmega328P 微控制器是基于 AVR 增强型 RISC 体系架构的 8 位 megaAVR 设备。 其特色为 picoPower 技术，可提供超低功耗和低功率睡眠模式，非常适合用于电池供电型应用。### 微控制器功能•20 MHz 最大工作频率 •20 MHz 时高达 20 MIPS •32 KB 闪存 •1024 B EEPROM •2 KB SRAM •131 指令 – 大多数单一时钟周期执行 •32 个通用寄存器 •23 GPIO •通电重置和可编程掉电检测 •内部校准振荡器 •外部和内部中断源 •六个省电睡眠模式 •内部和外部中断 •完全静态操作 ### 外围功能•10 位 15 ksps 模拟至数字转换器 ADC - 8 或 6 通道 •电容性触摸传感 - 16 通道 •温度传感器 •两个 8 位计时器 •一个 16 位计时器 •输出比较模块 - 6 通道 •六个 PWM 通道 •可编程串行 USART •主/从 SPI 串行接口 •面向字节的 2 线串行接口 – I2C 兼容 •可编程监看计时器，带单独振荡器 •模拟比较器 •引脚变化时的中断和唤醒 ### AVR 微控制器，Atmel

Overview

The ATmega48A/PA/88A/PA/168A/PA/328/P 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 ATmega48A/PA/88A/PA/168A/PA/328/P achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimizepower consumption versus processing speed.

Features

• High Performance, Low Power Atmel® 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 20 MIPS Throughput at 20MHz

– On-chip 2-cycle Multiplier

• High Endurance Non-volatile Memory Segments

– 4/8/16/32KBytes of In-System Self-Programmable Flash program memory

– 256/512/512/1KBytes EEPROM

– 512/1K/1K/2KBytes Internal SRAM

– Write/Erase Cycles: 10,000 Flash/100,000 EEPROM

– Data retention: 20 years at 85°C/100 years at 25°C1

– 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

• Atmel® QTouch ® library support

– Capacitive touch buttons, sliders and wheels

– QTouch and QMatrix® acquisition

– Up to 64 sense channels

• Peripheral Features

– 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 withSeparate Oscillator

– Six PWM Channels

– 8-channel 10-bit ADC in TQFP and QFN/MLF package Temperature Measurement

– 6-channel 10-bit ADC in PDIP Package Temperature Measurement

– Programmable Serial USART

– Master/Slave SPI Serial Interface

– Byte-oriented 2-wire Serial Interface Philips I2C compatible

– 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

– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby

• I/O and Packages

– 23 Programmable I/O Lines

– 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF

• Operating Voltage:

– 1.8 - 5.5V

• Temperature Range:

–-40°C to 85°C

• Speed Grade:

– 0 - 4MHz@1.8 \- 5.5V, 0 - 10MHz@2.7 \- 5.5.V, 0 - 20MHz @ 4.5 - 5.5V

• Power Consumption at 1MHz, 1.8V, 25°C

– Active Mode: 0.2mA

– Power-down Mode: 0.1µA

– Power-save Mode: 0.75µAIncluding 32kHz RTC