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ATMEGA64 Datasheet

8-bit Microcontroller with 64K Bytes In-System Programmable Flash


The ATmega64 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega64 achieves throughputs approaching 1 MIPS per MHz, allowing the system designer to optimize power consumption versus processing speed. ATMEGA64 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 + Peripheral Control Registers– Fully Static Operation– Up to 16 MIPS Throughput at 16 MHz– On-chip 2-cycle Multiplier●High Endurance Non-volatile Memory segments– 64K Bytes of In-System Reprogrammable Flash program memory– 2K Bytes EEPROM– 4K Bytes Internal SRAM– 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– Up to 64K Bytes Optional External Memory Space– Programming Lock for Software Security– SPI Interface for In-System Programming● 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 Prescalers and Compare Modes– Two Expanded 16-bit Timer/Counters with Separate Prescaler, Compare Mode, and你 Capture Mode– Real Time Counter with Separate Oscillator– Two 8-bit PWM Channels– 6 PWM Channels with Programmable Resolution from 1 to 16 Bits– 8-channel, 10-bit ADC8 Single-ended Channels7 Differential Channels2 Differential Channels with Programmable Gain (1x, 10x, 200x)– Byte-oriented Two-wire Serial Interface– Dual Programmable Serial USARTs– Master/Slave SPI Serial Interface– Programmable Watchdog Timer with On-chip Oscillator– On-chip Analog Comparator● Special Microcontroller Features– Power-on Reset and Programmable Brown-out Detection– Internal Calibrated RC Oscillator– External and Internal Interrupt Sources– Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby and Extended Standby– Software Selectable Clock Frequency– ATmega103 Compatibility Mode Selected by a Fuse– Global Pull-up Disable● I/O and Packages– 53 Programmable I/O Lines– 64-lead TQFP and 64-pad QFN/MLF● Operating Voltages 4.5 - 5.5V● Speed Grades 0 - 16 MHz


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