Part # ATmega325 datasheet

Part Manufacturer: Atmel

Atmel

Part Description: ATmega325 3250 645 6450


Part Details:

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) 8-bit ­ EEPROM · 1K bytes (ATmega325/ATmega3250) Microcontroller · 2K bytes (ATmega645/ATmega6450) ­ Internal SRAM · 2K bytes (ATmega325/ATmega3250) with In-System · 4K bytes (ATmega645/ATmega6450) ­ Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM Programmable ­ Data retention: 20 years at 85°C/100 years at 25°C(1)­ Optional Boot Code Section with Independent Lock Bits Flash · 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 ATmega325/V ­ Extensive On-chip Debug Support­ Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface ATmega3250/V · 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 ATmega645/V Mode ­ Real Time Counter with Separate Oscillator ATmega6450/V ­ Four PWM Channels­ 8-channel, 10-bit ADC­ Programmable Serial USART­ Master/Slave SPI Serial Interface­ Universal Serial Interface with Start Condition Detector Preliminary ­ 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 µA32 kHz, 1.8V: 20 µA (including Oscillator) ­ Power-down Mode: 100 nA at 1.8V 1. Pin Configurations Figure 1-1.


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ATmega325.pdf Datasheet