ATMEGA64-16AI Atmel, ATMEGA64-16AI Datasheet - Page 386

• Manufacturer Part Number: ATMEGA64-16AI
• Description: IC AVR MCU 64K 16MHZ IND 64-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64-16AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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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