ATmega64 Atmel Corporation, ATmega64 Datasheet - Page 386

• Manufacturer Part Number: ATmega64
• Manufacturer: Atmel Corporation

Specifications of ATmega64

• Flash (kbytes): 64 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 53
• Ext Interrupts: 8
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 4
• Eeprom (bytes): 2048
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 8
• Input Capture Channels: 2
• Pwm Channels: 7
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Table of
Contents
2490Q–AVR–06/10
Features 1
Pin Configuration 2
Overview 3
Resources 8
Data Retention 8
About Code Examples 9
AVR CPU Core 10
AVR Memories 18
System Clock and Clock Options 37
Power Management and Sleep Modes 46
Disclaimer 2
Block Diagram 3
ATmega103 and ATmega64 Compatibility 4
Pin Descriptions 5
Introduction 10
Architectural Overview 10
ALU – Arithmetic Logic Unit 11
Status Register 12
General Purpose Register File 13
Stack Pointer 14
Instruction Execution Timing 14
Reset and Interrupt Handling 15
In-System Reprogrammable Flash Program Memory 18
SRAM Data Memory 19
EEPROM Data Memory 21
I/O Memory 26
External Memory Interface 27
XMEM Register Description 32
Clock Systems and their Distribution 37
Clock Sources 38
Default Clock Source 39
Crystal Oscillator 39
Low-frequency Crystal Oscillator 41
External RC Oscillator 42
Calibrated Internal RC Oscillator 43
External Clock 44
Timer/Counter Oscillator 45
ATmega64(L)
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