ATMEGA328P-20AU

ATMEGA328P-20AU 일반적인 설명

At the core of the ATmega328P-20AU microcontroller lies a robust architecture optimized for efficiency and speed. With a maximum operating frequency of 20 MHz and generous memory resources including 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM, this microcontroller empowers developers to tackle complex tasks with ease. Its comprehensive set of I/O pins, analog inputs, and communication interfaces cater to a diverse range of applications, from industrial automation to DIY projects. The integrated ADC with a high sampling rate ensures precise analog signal conversion, while the built-in features like brown-out detection and watchdog timer enhance system reliability and security

특징

• 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
• – 32K Bytes of In-System Self-Programmable Flash progam memory
• – 1K Bytes EEPROM
• – 2K Bytes Internal SRAM
• – Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
• – 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
• 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 with Separate Oscillator
• – Six PWM Channels
• – 8-channel 10-bit ADC in TQFP and QFN/MLF 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
• – 32-lead TQFP, and 32-pad QFN/MLF
• Operating Voltage:
• – 2.7V - 5.5V for ATmega328P
• Temperature Range:
• – Automotive Temperature Range: -40°C to +125°C
• Speed Grade:
• – 0 - 8 MHz @ 2.7 - 5.5V (Automotive Temp. Range: -40°C to +125°C)
• – 0 - 16 MHz @ 4.5 - 5.5V (Automotive Temp. Range: -40°C to +125°C)
• Low Power Consumption
• – Active Mode: 1.5mA @3V - 4MHz
• – Power-down Mode: 1 µA @3V

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