ATMEGA32-16PU Atmel, ATMEGA32-16PU Datasheet - Page 339

• Manufacturer Part Number: ATMEGA32-16PU
• Description: IC AVR MCU 32K 16MHZ 5V 40DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA32-16PU

• 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: 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Processor Series: ATMEGA32x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 2 KB
• Interface Type: 2-Wire/SPI/USART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• A/d Inputs: 8-Channel, 10-Bit
• Cpu Speed: 16 MIPS
• Eeprom Memory: 1K Bytes
• Input Output: 32
• Interface: 2-Wire/SPI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 32K Bytes
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 4.5-5.5 V
• Data Rom Size: 1024 B
• Height: 4.83 mm
• Length: 52.58 mm
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Width: 13.97 mm
• Controller Family/series: AVR MEGA
• No. Of I/o's: 32
• Eeprom Memory Size: 1024Byte
• Ram Memory Size: 2KB
• Rohs Compliant: Yes
• For Use With: ATSTK524 - KIT STARTER ATMEGA32M1/MEGA32C1ATSTK600-TQFP32 - STK600 SOCKET/ADAPTER 32-TQFPATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table of Contents
2503G–AVR–11/04
Features................................................................................................ 1
Pin Configurations............................................................................... 2
Overview............................................................................................... 3
About Code Examples......................................................................... 5
AVR CPU Core ..................................................................................... 6
AVR ATmega32 Memories ................................................................ 14
System Clock and Clock Options .................................................... 22
Power Management and Sleep Modes............................................. 30
Block Diagram ...................................................................................................... 3
Pin Descriptions.................................................................................................... 4
Introduction ........................................................................................................... 6
Architectural Overview.......................................................................................... 6
ALU – Arithmetic Logic Unit.................................................................................. 7
Status Register ..................................................................................................... 8
General Purpose Register File ............................................................................. 9
Stack Pointer ...................................................................................................... 10
Instruction Execution Timing............................................................................... 11
Reset and Interrupt Handling.............................................................................. 11
In-System Reprogrammable Flash Program Memory ........................................ 14
SRAM Data Memory........................................................................................... 15
EEPROM Data Memory...................................................................................... 16
I/O Memory ......................................................................................................... 21
Clock Systems and their Distribution .................................................................. 22
Clock Sources..................................................................................................... 23
Default Clock Source .......................................................................................... 23
Crystal Oscillator................................................................................................. 24
Low-frequency Crystal Oscillator ........................................................................ 26
External RC Oscillator ........................................................................................ 26
Calibrated Internal RC Oscillator ........................................................................ 27
External Clock..................................................................................................... 29
Timer/Counter Oscillator..................................................................................... 29
Idle Mode ............................................................................................................ 31
ADC Noise Reduction Mode............................................................................... 31
Power-down Mode.............................................................................................. 31
Power-save Mode............................................................................................... 31
Standby Mode..................................................................................................... 32
Extended Standby Mode .................................................................................... 32
Minimizing Power Consumption ......................................................................... 32
ATmega32(L)
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