- The ATmega64A 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 ATmega64A achieves throughputs approaching 1 MIPS per MHz, allowing the system designer to optimize power consumption versus processing speed
- آی سی
- Features
- High-performance, Low-power Atmel® AVR® 8-bit Microcontroller
- Advanced RISC Architecture
- – 130Powerful Instructions – Most Single Clock Cycle Execution
- – 32x 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
- – 64Kbytes of In-System Reprogrammable Flash program memory
- – 2Kbytes EEPROM
- – 4Kbytes 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 64 Kbytes 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 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 Capture Mode
- – Real Time Counter with Separate Oscillator
- – Two 8-bit PWM Channels
- – 6PWM Channels with Programmable Resolution from 1 to 16 Bits
- – 8channel, 10-bit ADC
• 8Single-ended Channels
• 7Differential Channels
• (2 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
- – 2.7to5.5V for ATmega64A
- Speed Grades
- – 0to16 MHz for ATmega64A
- Package: TQFP64 – TQFP 64 – TQFP-64
- میکروکنترلر AVR
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