ATMEGA32-16PU Atmel, ATMEGA32-16PU Datasheet - Page 340

• 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

ii
ATmega32(L)
System Control and Reset ................................................................ 34
Interrupts ............................................................................................ 42
I/O Ports.............................................................................................. 47
External Interrupts............................................................................. 64
8-bit Timer/Counter0 with PWM........................................................ 67
Timer/Counter0 and Timer/Counter1 Prescalers ............................ 82
16-bit Timer/Counter1........................................................................ 84
8-bit Timer/Counter2 with PWM and Asynchronous Operation .. 112
Internal Voltage Reference ................................................................................. 39
Watchdog Timer ................................................................................................. 39
Interrupt Vectors in ATmega32........................................................................... 42
Introduction ......................................................................................................... 47
Ports as General Digital I/O ................................................................................ 48
Alternate Port Functions ..................................................................................... 52
Register Description for I/O Ports ....................................................................... 62
Overview............................................................................................................. 67
Timer/Counter Clock Sources............................................................................. 68
Counter Unit........................................................................................................ 68
Output Compare Unit.......................................................................................... 69
Compare Match Output Unit ............................................................................... 70
Modes of Operation ............................................................................................ 71
Timer/Counter Timing Diagrams......................................................................... 76
8-bit Timer/Counter Register Description ........................................................... 78
Overview............................................................................................................. 84
Accessing 16-bit Registers ................................................................................. 87
Timer/Counter Clock Sources............................................................................. 89
Counter Unit........................................................................................................ 89
Input Capture Unit............................................................................................... 91
Output Compare Units ........................................................................................ 92
Compare Match Output Unit ............................................................................... 94
Modes of Operation ............................................................................................ 95
Timer/Counter Timing Diagrams....................................................................... 103
16-bit Timer/Counter Register Description ....................................................... 105
Overview........................................................................................................... 112
Timer/Counter Clock Sources........................................................................... 113
Counter Unit...................................................................................................... 113
Output Compare Unit........................................................................................ 114
Compare Match Output Unit ............................................................................. 115
Modes of Operation .......................................................................................... 116
2503G–AVR–11/04