ATMEGA32L-8AUR Atmel, ATMEGA32L-8AUR Datasheet - Page 341

• Manufacturer Part Number: ATMEGA32L-8AUR
• Description: MCU AVR 32K FLASH 8MHZ 44TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32L-8AUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Package: 44TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 32
• Interface Type: TWI/SPI/USART
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table of
Contents
2503Q–AVR–02/11
Features 1
Pin Configurations 2
Overview 3
Resources 6
Data Retention 6
About Code Examples 7
AVR CPU Core 8
ATmega32 Memories 16
System Clock and Clock Options 24
Power Management and Sleep Modes 32
Block Diagram 3
Pin Descriptions 4
Introduction 8
Architectural Overview 8
ALU – Arithmetic Logic Unit 9
Status Register 10
General Purpose Register File 11
Stack Pointer 12
Instruction Execution Timing 13
Reset and Interrupt Handling 13
In-System Reprogrammable Flash Program Memory 16
SRAM Data Memory 17
EEPROM Data Memory 18
I/O Memory 23
Clock Systems and their Distribution 24
Clock Sources 25
Default Clock Source 25
Crystal Oscillator 26
Low-frequency Crystal Oscillator 28
External RC Oscillator 28
Calibrated Internal RC Oscillator 29
External Clock 31
Timer/Counter Oscillator 31
Idle Mode 33
ADC Noise Reduction Mode 33
Power-down Mode 33
Power-save Mode 33
ATmega32(L)
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