ATMEGA325V-8AU

AVR AVR® ATmega Microcontroller IC 8-Bit 8MHz 32KB (16K x 16) FLASH 64-TQFP (14x14)

Key Features

• 32/64K bytes of In-System Programmable Flash with Read-While-Write capabilities, 1/2K bytes EEPROM, 2/4K byte SRAM, 54/69 general purpose I/O lines, 32 general purpose working registers, a JTAG interface for Boundary-scan, On-chip Debugging support and programming, three flexible Timer/Counters with compare modes, internal and external interrupts, a serial programmable USART, Universal Serial Interface with Start Condition Detector, an 8-channel, 10-bit ADC, a programmable Watchdog Timer with internal Oscillator, an SPI serial port, and five software selectable power saving modes.
• 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
• High Endurance Non-volatile Memory Segments
• – In-System Self-programmable Flash Program Memory
• 32K Bytes (ATmega325/ATmega3250)
• 64K Bytes (ATmega645/ATmega6450)
• – EEPROM
• 1K bytes (ATmega325/ATmega3250)
• 2K bytes (ATmega645/ATmega6450)
• – Internal SRAM
• 2K bytes (ATmega325/ATmega3250)
• 4K bytes (ATmega645/ATmega6450)
• – 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 Prescaler and Compare Mode
• – One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
• – Real Time Counter withSeparate 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:
• – ATmega325V/ATmega3250V/ATmega645V/ATmega6450V:
• 0 - 4 MHz @ 1.8 - 5.5V, 0 - 8 MHz @ 2.7 - 5.5V
• – ATmega325/3250/645/6450:
• 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)
• – Power-down Mode: 100 nA at 1.8V