ATMEGA8535-16PU Atmel, ATMEGA8535-16PU Datasheet - Page 312

• Manufacturer Part Number: ATMEGA8535-16PU
• Description: IC AVR MCU 8K 16MHZ 5V 40DIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA8535-16PU

• 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: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 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: ATMEGA8x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• 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: 10 bit, 8 Channel
• A/d Inputs: 8-Channel, 10-Bit
• Cpu Speed: 16 MIPS
• Eeprom Memory: 512 Bytes
• Input Output: 32
• Interface: SPI/TWI/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin PDIP
• Programmable Memory: 8K Bytes
• Timers: 2-8-bit, 1-16-bit
• Voltage, Range: 4.5-5.5 V
• Controller Family/series: AVR MEGA
• No. Of I/o's: 32
• Eeprom Memory Size: 512Byte
• Ram Memory Size: 512Byte
• Rohs Compliant: Yes
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ii
ATmega8535(L)
System Control and Reset ................................................................ 35
Interrupts ............................................................................................ 45
I/O-Ports.............................................................................................. 50
External Interrupts............................................................................. 67
8-bit Timer/Counter0 with PWM........................................................ 70
Timer/Counter0 and Timer/Counter1 Prescalers ............................ 86
16-bit Timer/Counter1........................................................................ 88
8-bit Timer/Counter2 with PWM and Asynchronous Operation .. 116
Minimizing Power Consumption ......................................................................... 34
Internal Voltage Reference ................................................................................. 40
Watchdog Timer ................................................................................................. 40
Timed Sequences for Changing the Configuration of the Watchdog Timer ....... 44
Interrupt Vectors in ATmega8535....................................................................... 45
Introduction ......................................................................................................... 50
Ports as General Digital I/O ................................................................................ 51
Alternate Port Functions ..................................................................................... 56
Register Description for I/O-Ports....................................................................... 65
Overview............................................................................................................. 70
Timer/Counter Clock Sources............................................................................. 71
Counter Unit........................................................................................................ 71
Output Compare Unit.......................................................................................... 72
Compare Match Output Unit ............................................................................... 74
Modes of Operation ............................................................................................ 75
Timer/Counter Timing Diagrams......................................................................... 79
8-bit Timer/Counter Register Description ........................................................... 82
Overview............................................................................................................. 88
Accessing 16-bit Registers ................................................................................. 91
Timer/Counter Clock Sources............................................................................. 94
Counter Unit........................................................................................................ 94
Input Capture Unit............................................................................................... 95
Output Compare Units ........................................................................................ 97
Compare Match Output Unit ............................................................................... 99
Modes of Operation .......................................................................................... 100
Timer/Counter Timing Diagrams....................................................................... 107
16-bit Timer/Counter Register Description ....................................................... 109
Overview........................................................................................................... 116
Timer/Counter Clock Sources........................................................................... 117
2502G–AVR–04/05