Microchip ATMEGA329A-MU

AVR20MHz32KB（16K x 16）

Overview

• 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 – 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 – 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 µA • 32 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

Features

AVR® ATmega Series
64-VFQFN Exposed Pad package
Mounting type of Surface Mount

Surface Mount Mounting Type

Applications

There are a lot of Microchip Technology
ATMEGA329A-MU Microcontroller applications.

• Radio
• Television
• Heater/Fan
• Calculator
• Kindle
• Christmas lights
• 3D printers
• Washing machine
• Microwave ovens
• Home appliances