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ATMEGA645V_14 Datasheet, PDF (1/362 Pages) ATMEL Corporation – High Endurance Non-volatile Memory Segments | |||
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Features
⢠High Performance, Low Power Atmel® AVR® 8-Bit Microcontroller
⢠Advanced RISC Architecture
â 130 Powerful Instructions â Most Single Clock Cycle Execution
â 32 x 8 General Purpose Working Registers
â Fully Static Operation
â Up to 16MIPS Throughput at 16MHz
â On-Chip 2-cycle Multiplier
⢠High Endurance Non-volatile Memory Segments
â In-System Self-programmable Flash Program Memory
⢠32KBytes (ATmega325/ATmega3250)
⢠64KBytes (ATmega645/ATmega6450)
â EEPROM
⢠1Kbytes (ATmega325/ATmega3250)
⢠2Kbytes (ATmega645/ATmega6450)
â Internal SRAM
⢠2Kbytes (ATmega325/ATmega3250)
⢠4Kbytes (ATmega645/ATmega6450)
â Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM
â Data retention: 20 years at 85°C/100 years at 25°C(1)
â Optional Boot Code Section with Independent Lock Bits
⢠In-System Programming by On-chip Boot Program
⢠True Read-While-Write Operation
â Programming Lock for Software Security
⢠Atmel® QTouch® library support
â Capacitive touch buttons, sliders and wheels
â QTouch and QMatrix® acquisition
â Up to 64 sense channels
⢠JTAG (IEEE std. 1149.1 compliant) Interface
â Boundary-scan Capabilities According to the JTAG Standard
â Extensive On-chip Debug Support
â Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface
⢠Peripheral Features
â Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
â One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture
Mode
â Real Time Counter with Separate Oscillator
â Four PWM Channels
â 8-channel, 10-bit ADC
â Programmable Serial USART
â Master/Slave SPI Serial Interface
â Universal Serial Interface with Start Condition Detector
â Programmable Watchdog Timer with Separate On-chip Oscillator
â On-chip Analog Comparator
â Interrupt and Wake-up on Pin Change
⢠Special Microcontroller Features
â Power-on Reset and Programmable Brown-out Detection
â Internal Calibrated Oscillator
â External and Internal Interrupt Sources
â Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and
Standby
⢠I/O and Packages
â 53/68 Programmable I/O Lines
â 64-lead TQFP, 64-pad QFN/MLF, and 100-lead TQFP
⢠Speed Grade:
â ATmega325V/ATmega3250V/ATmega645V/ATmega6450V:
⢠0 - 4MHz @ 1.8 - 5.5V; 0 - 8MHz @ 2.7 - 5.5V
â Atmel ATmega325/3250/645/6450:
⢠0 - 8MHz @ 2.7 - 5.5V; 0 - 16MHz @ 4.5 - 5.5V
⢠Temperature range:
â -40°C to 85°C IndustrSial
⢠Ultra-Low Power Consumption
â Active Mode:
1MHz, 1.8V: 350µA
32kHz, 1.8V: 20µA (including Oscillator)
â Power-down Mode:
100 nA at 1.8V
8-bit Atmel
Microcontroller
with In-System
Programmable
Flash
ATmega325/V
ATmega3250/V
ATmega645/V
ATmega6450/V
2570NâAVRâ05/11
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